Abaeis(incertae sedis)
Abaptilon(EXTINCT) (incertae sedis)
AbdopusNorman and Finn, 2001
Abraeinae(including Trypanaeinae)
Abraeini(non-monophyletic)
AbraliaGray 1849
AbraliopsisJoubin 1896
Abrawayaomys(incertae sedis)
Abscondus(EXTINCT)
Aburria aburri(Wattled Guan)
Acanothpale decempedalisC. B. Clarke
Acanthaceae(acanthus family)
Acantharea(a type of radiolaria)
Acanthisittidae(New Zealand wrens)
Acanthizidae(scrubwrens and thornbills)
Acanthodii(EXTINCT)
Acanthomorphaspiny-rayed teleosts
Acanthopale
A-albosetulosaC. B. Clarke
A-azaleoidesC. B. Clarke
A-buchholziiC. B. Clarke
A-confertifloraC. B. Clarke
A-laxifloraC. B. Clarke
A-pubescensC. B. Clarke
Acanthops
A-contorta(incertae sedis)
A-soukana(incertae sedis)
Acanthopsis
A-carduifoliaShinz
A-dispermaNees
A-hoffmannseggianaC. B. Clarke
Acanthopteroctetidae(archaic sun moths)
Acanthopterygii(seahorses, perches, bass, cichlids, tunas, etc.)
Acanthosomatidae(acanthosomatid stink bugs)
Acanthostega(EXTINCT)
Acanthus eminensC. B. Clarke
Acanthus ilicifoliusL.
Acanthus longifoliusHost.
Acanthus mollisL.
Acanthus montanus(Nees) T. Anders.
Acanthus pubescens(Oliver) Engler
Acanthus senniiChiovenda
Acanthus spinosusL.
Acari(mites and ticks)
Acari(mites and ticks)
A-formes(The "mite-like" mites)
Acartophthalmites tertiaria(EXTINCT) (incertae sedis)
Accipitridae(hawks, eagles, Old World vultures)
Achaetops(rock-jumper)
Achariaceae(incl. Flacourtiaceae pro parte)
Achroblatta(incertae sedis)
Achyrocalyx decaryiBenoist
Acidobacteria(acidophilic bacteria common in soils)
Acipenseriformes(sturgeons, paddlefishes)
Acleistorhinus(EXTINCT)
Aclerdidae(grass scales)
Acontiophorum mortenseniCarlgren 1938
Acraspedanthus
A-elongatusCarlgren 1924
Acremodactyla ambonenseKwietniewski 1897
Acridinae(non-monophyletic)
Acridoideas. n.
Acrocephalidae(acrocephaline warblers)
Acrolepidae(EXTINCT)
Acryllium vulturinum(Vulturine Guineafowl)
Acteocemas(EXTINCT)
Actinauge
A-abyssorumCarlgren 1934
A-bockiCarlgren 1943
A-granulataCarlgren 1928
Actinauge nexilisVerrill 1883
Actinauge nodosa var. coronataVerrill 1883
Actinauge nodosa var. coronataVerrill 1883
A-verrilliiMc Murrich 1893
Actineria
A-dendrophoraHaddon and Shackleton 1893
Actinernus Verrilli[sic] Gravier 1918
Actinernus aureliaStephenson 1918
Actinernus aureliaStephenson 1918
A-michaelsarsiCarlgren 1918
A-nobilisVerrill 1879
Actinernus obesa(Verrill?)
Actinernus plebeiaMc Murrich [sic] 1893
Actinernus saginataVerrill 1882
Actinia
A-Grobbeni[sic] Watzl 1922
Actinia Helianthus[sic] Hemprich and Ehrenberg, Ehrenberg 1834
Actinia Thomsoni[sic] Coughtrey 1874
Actinia Tuediae[sic] Johnston 1832
Actinia achatesDana 1849
Actinia adherensp. p. Ehrenberg 1834
Actinia alcyonidiumQuoy and Gaimard 1833
Actinia annulataLeseur 1817
Actinia arboreumQuoy and Gaimard 1833
Actinia artemisiaDana 1849 [sic]
Actinia aurantiacaDelle Chiaje 1825
Actinia auroraQuoy and Gaimard 1833
Actinia balliiCocks 1849
Actinia capensisLesson 1830
Actinia capensisLesson 1830
A-cariDelle Chiaje 1841
Actinia cavernataBosc 1802
Actinia chilensisLesson 1830
Actinia clavusQuoy and Gaimard 1833
Actinia clematisDana 1849
Actinia coccineaMueller 1776
Actinia coeruleusQuoy and Gaimard 1833
Actinia crispusEhrenberg 1834
Actinia cruciferLeseur 1817
Actinia cruentataDana 1849
Actinia crysanthellumPeach in Johnston 1847
Actinia decoraEhrenberg 1834
Actinia decorataDana 1849
Actinia diademaDana 1849
Actinia diaphanaRapp 1829
Actinia digitataO. F. Mueller 1776
Actinia elegansDalyell 1848
Actinia elongataDelle Chiaje 1825
Actinia elongataDelle Chiaje 1825
A-equinaLinne 1758
Actinia erythrosomaHemprich and Ehrenberg 1851
Actinia felinaLinne 1767
Actinia flosculiferaLeseur 1817
Actinia granuliferaLeseur 1817
Actinia helianthusEllis 1767
Actinia impatiensin Dana 1849
Actinia infecundaMc Murrich [sic] 1893
Actinia inornataStimpson 1855
Actinia intestinalisFabricius 1780
Actinia intestinalisFabricius 1780
A-kraemeriPax 1914
Actinia laceratusDalyell 1848
Actinia laceratusDalyell 1848
A-melanasterVerrill 1901
Actinia mutabilisGravenhorst 1831
Actinia niveusCarlgren 1899
Actinia nodosaFabricius 1780
Actinia ocellataLesson 1830
Actinia olivaceaLeseur 1817
Actinia parasiticaCouch 1838
Actinia parvitentaculataQuoy and Gaimard 1833
Actinia pedunculatusPennant 1777
Actinia pretiosaDana 1849
Actinia proliferaM. Sars 1835
Actinia pustulataDana 1849
Actinia quadricolorLeuckarl [sic] in Rueppel 1828
Actinia rapiformisSchmarda 1852
Actinia sanctae helenaeLesson 1830
Actinia senileLinneus 1767
Actinia sipunculoidesStimpson 1853
Actinia stellulaEhrenberg 1834
Actinia sulcataPennant 1766
Actinia tapetumEhrenberg 1834
Actinia tapetumEhrenberg 1834
A-tenebrosaFarquhar 1898
Actinia tricolorLeseur 1817
Actinia troglodytesPrice in Johnston 1847
Actinia tuberculosaQuoy and Gaimard 1833
Actinia ultramarinaLeseur 1817
Actinia undatusO. F. Mueller 1788
Actinia verrucosaPennant 1777
Actinia viduatusO. F. Mueller 1776
Actinia villosaQuoy and Gaimard 1833
Actinia xanthogrammicaBrandt 1835
Actiniaria(monophyly uncertain)
Actinioides Sesere[sic] Haddon and Shackleton 1893
Actinioides africanaCarlgren 1900
Actinioides ambonensisKwietniewski 1898
Actinioides dixonianaHaddon and Shackleton 1893
Actinioides papuensisHaddon 1898
Actinioides rapanuiensisCarlgren 1920
Actinioides spenceriHaddon and Duerden 1896
Actinioides sultanaCarlgren 1900
Actinobacteria(high G+C Gram positives)
Actinoceratoidea(EXTINCT)
Actinodendron
A-glomeratumHaddon 1898
A-hansingorumCarlgren 1900
Actinodendron loligoH. and E. Ehrenberg 1834
Actinodendron loligoH. and E. Ehrenberg 1834
A-plumosumHaddon 1898
Actinohymen(EXTINCT)
Actinoides haddoniKwietniewski 1897
Actinoporus
A-elegansDuchassaing 1850
A-elongatusCarlgren 1900
Actinopsis roseaStuder 1878
Actinopterygii(ray-finned fishes)
Actinostella formosaDuchassaing 1850
Actinostephanus
A-haeckeliKwietniewski 1897
Actinostola
A-groenlandicaCarlgren 1899
A-carlgreniWasilieff [sic] 1908
A-clubbiCarlgren 1927
A-excelsaMc Murrich [sic] 1893
A-georgianaCarlgren 1927
A-intermediaCarlgren 1899
A-kerguelensisCarlgren 1928
A-pergamentaceaMc Murrich [sic] 1893
A-spetsbergensisCarlgren 1893
Actinothoe
A-Milmani[sic] Haddon and Shackleton 1893
A-californicaCarlgren 1940
Actinothoe californicusCarlgren 1940
Adamsia fuscaMilne-Edwards 1857
Adamsia involvensMc Murrich [sic] 1893
Adamsia involvensMc Murrich [sic] 1893
A-sociabilisVerrill 1882
Adapisoricidae(EXTINCT)
Adapisoriculidae(EXTINCT)
Addax nasomaculatus(addax)
Adelgidae(pine and spruce aphids)
Adelidae(longhorned fairy moths)
AdelieledoneAllcock, Hochberg, Rodhouse and Thorpe, 2003
Adelogyrinidae(EXTINCT)
Adelomyrmex(incertae sedis)
Adelophthalmidae(EXTINCT)
Ademosyne(EXTINCT)
Ademosynidae(EXTINCT) (incertae sedis)
Ademosynoides(EXTINCT)
Adephaga(ground beetles, tiger beetles, whirligigs, etc.)
Aderidae(ant-like leaf beetles)
Adicophasma spinosa(EXTINCT)
Adinopsis
A-groehni(EXTINCT)
Adkinsella(EXTINCT)
Adolarryia(EXTINCT)
Adrimus(non-monophyletic)
Aeduellidae(EXTINCT)
Aegidae(F.)
Aegithalidae(long-tailed tits)
Aegithinidae(ioras)
Aegolius(Boreal Owl and relatives)
Aegolius(Boreal Owl and relatives)
A-acadicus(Northern Saw-whet Owl)
A-funereus(Boreal Owl)
A-harrisii(Buff-fronted Owl)
A-ridgwayi(Unspotted Saw-whet Owl)
Aegothelidae(Owlet-Nightjars)
Aenictus(Old World army ants)
Aenigmatolimnas marginalis(Striped Crake)
Aepeomys(incertae sedis)
Aepycamelus(EXTINCT)
Aepyceros melampus(impala)
Aepyornis(EXTINCT)
Aepyornithidae(EXTINCT) (Elephant Birds) (incertae sedis)
Aepypodius
A-arfakianus(Wattled Brushturkey)
A-bruijnii(Waigeo Brushturkey)
Aeschronectida(EXTINCT)
Aesopichthyidae(EXTINCT)
Aetalionidae(aetalionid treehoppers)
Aetiocetidae(EXTINCT) (non-monophyletic)
Aetosauria(EXTINCT)
Aextoxicon punctatum(olivillo)
Africalolampra0(incertae sedis)
African Lineage(incertae sedis)
African Ruellia(including Eusiphon) (non-monophyletic)
AfrololigoBrakoniecki, 1986
Afropavo congensis(Congo Peacock)
Afrotis(Black Korhaan)
Afrotis(Black Korhaan)
A-afra(Southern Black Korhaan)
A-afraoides(Northern Black Korhaan)
Agalmaceros(EXTINCT)
Agaricales
A-incertae sedis(non-monophyletic) (incertae sedis)
Agaricomycetes(mushroom-forming fungi)
Agaricomycotina(jelly fungi, yeasts, and mushrooms)
Agathemera(chinche moyos)
Agathiphagidae(kauri moths)
Agelaius
A-assimilis(Red-shouldered Blackbird)
A-humeralis(Tawny-shouldered Blackbird)
A-xanthomus(Yellow-shouldered Blackbird)
Agelastes meleagrides(White-breasted Guineafowl)
Agelastes niger(Black Guineafowl)
Agelenidae(funnel weavers)
Aglaophyton major(EXTINCT)
Agnostida(EXTINCT)
Agonica
A-ovalipennisSloane
A-simsoniSloane
A-victoriensisMoore
Agonoxenidae(palm moths)
Agorophiidae(EXTINCT) (non-monophyletic)
Agriochoeridae(EXTINCT)
Agriochoerus(EXTINCT)
Agroecomyrmex duisburgi(EXTINCT)
Aguascalientia(EXTINCT)
Agyrtidae(primitive carrion beetles)
Aiptasia
A-californicaCarlgren 1949
A-carneaAndres 1880
A-insignisCarlgren 1941
A-leiodactylaPax 1910
Aiptasia lucidaPax 1910
Aiptasia minimaStephenson 1918
Aiptasia minimaStephenson 1918
A-parvaCarlgren 1938
Aiptasia peruvianaPax 1912
Aiptasia peruvianaPax 1912
A-pulchellaCarlgren 1943
A-saxicolaAndres 1880
Aiptasia sp.? (tagetes)Pax 1910
Aiptasioides primaStephenson 1918
Aiptasiomorpha elongataCarlgren 1949
Aiptasiomorpha paxiStephenson 1920
Aistopoda(EXTINCT)
Aix(Wood Duck and Mandarin Duck)
Aix(Wood Duck and Mandarin Duck)
A-galericulata(Mandarin Duck)
A-sponsa(Wood Duck)
Aizoaceae(stone plant family)
Akatastopsisini(incertae sedis)
Akodontini(South American field mice)
Aksyiria(EXTINCT)
Alaena
A-amazoulathe Yellow Zulu
Alaena section(monophyly uncertain)
Alaudidae(larks)
Albertosaurus sarcophagus(EXTINCT)
Albionbatrachus(EXTINCT)
Albireonidae(EXTINCT)
Albulidaebonefishes
Albuliformesbonefishes, halosaurs
Alcedinidae(kingfishers)
Alcelaphinae(hartebeests, wildebeests, and sassabies)
Alcelaphus buselaphus(hartebeest)
Alces alces(moose)
Alcidae(auks)
Alcyonaria(soft corals, sea pens)
Alectoneura(EXTINCT)
Alectoris(Rock Partridge and relatives)
Alectoris(Rock Partridge and relatives)
A-barbara(Barbary Partridge)
A-chukar(Chukar Partridge)
A-graeca(Rock Partridge)
A-magna(Przevalski's Partridge)
A-melanocephala(Arabian Partridge)
A-philbyi(Philby's Partridge)
A-rufa(Red-legged Partridge)
Alectrosaurus olseni(EXTINCT)
Alectura lathami(Australian Brushturkey)
Aleochara
A-? semicarinata0(incertae sedis)
A-argentina0(incertae sedis)
A-comorensis0(incertae sedis)
A-composita0(incertae sedis)
A-pamirensis0(incertae sedis)
A-polychroma0(incertae sedis)
A-robusta0(incertae sedis)
Alexahymen(EXTINCT)
Aleyrodidae(whiteflies)
Alforjas(EXTINCT)
Alfredistia reticulata(incertae sedis)
Alicia
A-beebeiCarlgren 1940
A-mirabilisJohnson 1861
A-rhadinaHaddon and Shackleton 1893
A-sansibarensisCarlgren 1900
A-uruguayensisCarlgren 1927
Alioramus remotus(EXTINCT)
Allantactis
A-parasiticaDanielssen 1890
Allocaenelaphus(EXTINCT)
Allocapnia
A-frumi(incertae sedis)
A-harperi(incertae sedis)
A-oribata(incertae sedis)
A-simmonsi(incertae sedis)
Allocapniella(incertae sedis)
Allocebus trichotis(hairy-eared dwarf lemur )
Allocinopus0(incertae sedis)
Allodinopsis0(incertae sedis)
Allodontermes(incertae sedis)
Alloiomma changweiensis(EXTINCT) (incertae sedis)
Allopalaeophonidae(EXTINCT)
AlloposidaeVerrill 1881
Allosauroidea(EXTINCT)
AlloteuthisWulker, 1920
Allothrissopidae(EXTINCT)
Allotinus
A-nigritus(incertae sedis)
A-paetus(incertae sedis)
A-panormis(incertae sedis)
A-posidion(incertae sedis)
A-thalebanus(incertae sedis)
AlluroteuthisOdhner, 1923
Alopochen aegyptiaca(Egyptian Goose)
Althansia(EXTINCT) (incertae sedis)
Altopedaliodes(incertae sedis)
Alucitidae(many-plumed moths)
Alucitoidea(many-plumed moths and false plume moths)
Alvarezsauridae(EXTINCT)
Alveolates(dinoflagellates, ciliates, apicomplexa)
Alveolocyathus(EXTINCT)
Alydidae(broad-headed bugs)
Amaralia
A-'oviraptor'new species
A-hypsiura(Kner, 1855)
Amaranthaceae(including Chenopodiaceae)
Amaurolimnas concolor(Uniform Crake)
Amaurornis(Brown Bush-hen and relatives)
Amaurornis(Brown Bush-hen and relatives)
A-akool(Brown Bush-hen)
A-flavirostra(Black Crake)
A-isabellina(Isabelline Bush-hen)
A-magnirostris(Talaud Bush-hen)
A-olivacea(Plain Bush-hen)
A-olivieri(Sakalava Rail)
A-phoenicurus(White-breasted Waterhen)
Amazonetta brasiliensis(Brazilian Teal)
Ambermantis wozniaki(EXTINCT)
Amblycercus holosericeus(Yellow-billed Cacique)
Amblyopone(monophyly uncertain)
Amblypygi(tailless whipscorpions)
Amblyramphus holosericeus(Scarlet-headed Blackbird)
Amboneura(EXTINCT)
Ambracyptus(EXTINCT)
Ambystoma bombypellum0(incertae sedis)
Ambystoma hibbardi(EXTINCT)0(incertae sedis)
Ambystoma kansaense(EXTINCT)0(incertae sedis)
Ambystoma lacustre0(incertae sedis)
Ambystoma minshalli(EXTINCT)0(incertae sedis)
Ambystoma tiheni(EXTINCT)0(incertae sedis)
Ambystomichnus montanensis(EXTINCT)0(incertae sedis)
Amelinae(non-monophyletic)
AmeloctopusNorman, 1992
Ametretus(EXTINCT) (incertae sedis)
Amiiformes(bowfins)
Ammodorcas clarkei(dibatag)
Ammonoidea(EXTINCT)
Ammoperdix(See-see Partridge and Sand Partridge)
Ammoperdix(See-see Partridge and Sand Partridge)
A-griseogularis(See-see Partridge)
A-heyi(Sand Partridge)
Ammospermophilus(antelope ground squirrels)
Ammostyphrus(1 species)
Ammotheidae(non-monophyletic)
Ammotragus lervia(aoudad or Barbary sheep)
Amniota(reptiles, mammals, birds, dinosaurs, etc.)
Amorphoscelites sharovi(EXTINCT) (Lower Cretaceous of Siberia)
Amousus(EXTINCT) (incertae sedis)
Amphianthus
A-armatusCarlgren 1928
A-bathybiumR. Hertwig 1882
A-californicusCarlgren 1936
A-capensisCarlgren 1928
A-ingolfiCarlgren 1942
A-islandicusCarlgren 1942
A-laevisCarlgren 1938
A-michaelsarsiCarlgren 1934
A-natalensisCarlgren 1938
A-norvegicusCarlgren 1942
A-ornatusHertwig 1888
A-radiatusCarlgren 1928
A-rosaceusWasilieff [sic] 1908
A-sanctae helenaeCarlgren 1941
A-valdiviaeCarlgren 1928
A-vermiculatusCarlgren 1942
Amphiaspidida(EXTINCT)
Amphibamidae(EXTINCT)
Amphicyonidae(EXTINCT)
Amphilemuridae(EXTINCT)
Amphimerycidae(EXTINCT)
AmphioctopusFisher, 1882
Amphiporidae(non-monophyletic)
Amphiprox(EXTINCT)
Amphirhagatherium(EXTINCT)
Amphisbaenia(incertae sedis)
AmphitretidaeHoyle, 1886
Amphitriton brevis(EXTINCT)0(incertae sedis)
Amphiuma antica(EXTINCT) (Middle Miocene of Texas) (incertae sedis)
Amphiuma jepseni(EXTINCT) (Upper Paleocene of Wyoming) (incertae sedis)
Amphorateuthis alveatusYoung, Vecchione and Roper, 2007
Ampullarioidea(monophyly uncertain)
Anacaena(monophyly uncertain)
Anacaenini(monophyly uncertain)
Anacardiaceae(sumac or poison ivy family)
Anachoropteridaceae(EXTINCT)0(incertae sedis)
Anagesthes(EXTINCT) (incertae sedis)
Anaglyphites(EXTINCT) (incertae sedis)
Anamiopteryx(monophyly uncertain)
Anas(Teals, Wigeons, Shovelers, Pintails, Mallard, and relatives)
Anas(Teals, Wigeons, Shovelers, Pintails, Mallard, and relatives)
A-acuta(Northern Pintail)
A-americana(American Wigeon)
A-andium(Andean Teal)
A-aucklandica(Brown Teal)
A-bahamensis(White-cheeked Pintail)
A-bernieri(Bernier's Teal)
A-capensis(Cape Teal)
A-carolinensis(Green-winged Teal)
A-castanea(Chestnut Teal)
A-clypeata(Northern Shoveler)
A-crecca(Eurasian Teal)
A-cyanoptera(Cinnamon Teal)
A-diazi(Mexican Duck)
A-discors(Blue-winged Teal)
A-eatoni(Eaton's Pintail)
A-erythrorhyncha(Red-billed Teal)
A-falcata(Falcated Duck)
A-flavirostris(Speckled Teal)
A-formosa(Baikal Teal)
A-fulvigula(Mottled Duck)
A-georgica(Yellow-billed Pintail)
A-gibberifrons(Sunda Teal)
A-gracilis(Grey Teal)
A-hottentota(Hottentot Teal)
A-laysanensis(Laysan Duck)
A-luzonica(Philippine Duck)
A-melleri(Meller's Duck)
A-penelope(Eurasian Wigeon)
A-platalea(Red Shoveler)
A-platyrhynchos(Mallard)
A-poecilorhyncha(Indian Spot-billed Duck)
A-puna(Puna Teal)
A-querquedula(Garganey)
A-rhynchotis(Australasian Shoveler)
A-rubripes(American Black Duck)
A-sibilatrix(Chiloe Wigeon)
A-smithii(Cape Shoveler)
A-sparsa(African Black Duck)
A-strepera(Gadwall)
A-superciliosa(Pacific Black Duck)
A-undulata(Yellow-billed Duck)
A-versicolor(Silver Teal)
A-wyvilliana(Hawaiian Duck)
A-zonorhyncha(Eastern Spot-billed Duck)
Anaspida(EXTINCT) (incertae sedis)
Anathana ellioti(Indian tree shrew)
Anatidae(Ducks, Geese, Swans)
Anchilophidae(EXTINCT)
Anchineura(EXTINCT)
Anchipteraspididae(EXTINCT)
Anchoblatta(incertae sedis)
AncistrocheiridaePfeffer 1912
AncistroteuthisGray 1849
Anconeura(EXTINCT)
Ancoptera(EXTINCT)
Ancyromonas(genus of heterotrophic flagellates)
Andegameryx(EXTINCT)
Andinaspis(EXTINCT)
Andreaeopsida(lantern mosses)
Andrenelia pinnata(EXTINCT)
Andreninae(non-monophyletic)
Andrias scheuchzeri(EXTINCT)0(incertae sedis)
Andwakia Hozawai[sic] Uchida 1932
Andwakia Hozawai[sic] Uchida 1932
A-boniensisCarlgren 1943
A-insignisCarlgren 1949
A-mirabilisDanielssen 1890
A-parvaCarlgren 1940
Anemadini(monophyly uncertain)
Anemonia
A-antilliensisPax 1924
Anemonia cinereaContarini 1844
Anemonia citrinaHadd. and Shackl. 1893
Anemonia citrinaHadd. and Shackl. 1893
A-elegansVerrill 1901
Anemonia inequaleMc Murrich [sic] 1893
Anemonia kwoiamHaddon and Shackleton 1893
Anemonia kwoiamHaddon and Shackleton 1893
A-manjanoCarlgren 1900
A-natalensisCarlgren 1938
A-sargassiensisHargitt 1908
Anemonia stimpsoniFewkes 1889
Aneuretellus deformis(EXTINCT)
Aneurophytales(EXTINCT)
Angarolarva(EXTINCT) (incertae sedis)
Angiosperms(flowering plants)
Anguilliformestrue eels
Anhima cornuta(Horned Screamer)
Anhimidae(Screamers)
Anhinga anhinga(Anhinga)
Anhinga melanogaster(Oriental Darter)
Anhinga novaehollandiae(Australian Darter)
Anhinga rufa(African Darter)
Anhingidae(Anhingas)
Anilloferonia(non-monophyletic)
Animals(Metazoa)
Animantarx(EXTINCT)
Ankylosauria(EXTINCT)
Ankylosauridae(EXTINCT)
Ankylosauromorpha(EXTINCT) (armored-plated dinosaurs)
Ankylosaurus(EXTINCT) (incertae sedis)
Annelida(bristleworms, ragworms, earthworms, leeches and their allies)
Annonaceae(pawpaw family)
Anobiidae(death watch beetles, spider beetles)
Anoeciidae(non-monophyletic) (incertae sedis)
Anomalogramma(EXTINCT)
Anomalopteryx(EXTINCT)
Anomaluroidae(scaly-tailed squirrels)
Anomodontia(EXTINCT)
Anomopterellinae(EXTINCT)
Anomosetidae(Australian primitive ghost moths)
Anomotherium(EXTINCT) (incertae sedis)
Anoplosaurus(EXTINCT)0(incertae sedis)
Anoplotheriidae(EXTINCT)
Anoplotherium(EXTINCT)
Anopsobiinae(monophyly uncertain)
Anostraca(brine shrimps, fairy shrimps)
Anotylus(incertae sedis)
Anser(Swan Goose and relatives)
Anser(Swan Goose and relatives)
A-albifrons(Greater White-fronted Goose)
A-anser(Greylag Goose)
A-brachyrhynchus(Pink-footed Goose)
A-cygnoides(Swan Goose)
A-erythropus(Lesser White-fronted Goose)
A-fabalis(Bean Goose)
A-indicus(Bar-headed Goose)
Anseranatidae(Magpie Goose)
Anseriformes(Ducks, Geese, and relatives)
Antennariidae(Frogfishes)
Antennarius(monophyly uncertain)
Anthea couchiiCooks 1851
Anthea giganteaWeinland 1860
Anthelidae(Australian lappet moths)
Antheopsis carlgreniLager 1911
Antheopsis concinnataLager 1911
Anthicidae(ant-like flower beetles)
Anthocerotophyta(hornworts)
Anthocoleus habiensis(EXTINCT) (incertae sedis)
Anthocoridae(flower bugs, minute pirate bugs)
Antholoba epizoicaPax 1922
Anthophorini(digger bees)
Anthopleura
A-Krebsi[sic] Duchassaing and Michelotti 1860
Anthopleura Stimpsoni[sic] Verrill 1868
Anthopleura Stimpsoni[sic] Verrill 1868
A-anneaeCarlgren 1940
A-dowiiVerrill 1869
A-fusco-viridisnov. nom. = ! Bunodes stella Verrill, Uchida 1938
A-fuxiCarlgren 1927
A-insignisCarlgren 1940
A-japonicaVerrill 1899
A-kohliCarlgren 1930
A-mortenseniCarlgren 1941
A-pacificaUchida 1938
A-pallidaDuchassaing and Michelotti 1866
A-sanctae helenaeCarlgren 1941
A-vario-armataWatzl 1922
Anthosactis
A-capensisCarlgren 1938
A-georgianaCarlgren 1949
A-ingolfiCarlgren 1921
A-jan mayeniDanielssen 1890
Anthostella
A-Stephensoni[sic] Carlgren 1938
Anthothoe
A-australiensisCarlgren 1949
A-panamensisCarlgren 1949
Anthozoa(sea anemones, corals, sea pens)
Anthracosta(EXTINCT) (incertae sedis)
Anthracotheriidae(EXTINCT)
Anthribidae(fungus weevils)
Anthropoides(Demoiselle Crane and Blue Crane)
Anthropoides(Demoiselle Crane and Blue Crane)
A-paradiseus(Blue Crane)
A-virgo(Demoiselle Crane)
Antidorcas marsupialis(springbok)
Antifer(EXTINCT)
Antillocyathus(EXTINCT)
Antilocapra americana(pronghorn)
Antilocapra americana(pronghorn)
AA-peninsularis(peninsular pronghorn)
AA-sonoriensis(Sonoran pronghorn)
Antilocapridae(pronghorns and their extinct relatives)
Antilope cervicapra(blackbuck)
Antilopinae(gazelles, dik-diks, steenboks, and their relatives)
Antilospira(EXTINCT)
Antioquita(incertae sedis)
Antipatharia(incertae sedis)
Antonbruunia(incertae sedis)
Antopedaliodes(incertae sedis)
Anurolimnas castaneiceps(Chestnut-headed Crake)
Anurophasis monorthonyx(Snow Mountains Quail)
Anuropidae(F.)
Apachelytron(EXTINCT)
Aphelandra verticillataNees
Aphelosternus(1 species)
Aphididae(aphids, plantlice)
Aphidomorpha(aphids, plant lice, adelgids, phylloxerids)
AphrodoctopusRoper and Mangold, 1992
Aphrophoridae(froghoppers, spittlebugs)
Apiaceae(umbellifers, carrot family)
Apidae(carpenter bees, cuckoo bees, honey bees, etc.)
Apidae sensu lato(bees)
Apinae(honey bees, orchid bees, stingless bees, etc.)
Apini(honey bees)
Apioceridae(Flower-loving Flies)
Apionsoma(incertae sedis)
Aplodontiidae(mountain beaver)
Apocynaceae(milkweed family)
Apodidae(swifts)
Apodiformes(Hummingbirds and Swifts)
Apopappus(EXTINCT)
Aposphinctus(EXTINCT) (incertae sedis)
Aposthonia(Oligotomidae) (non-monophyletic)
Apotrogia0(incertae sedis)
Appias (Appias)(incertae sedis)
Appias (Hiposcritia)(incertae sedis)
Apsidoneura(EXTINCT)
Apsisaurus(EXTINCT)
Aptera(incertae sedis)
Apternodontidae(EXTINCT)
Apterygidae(Kiwis)
Apteryx australis(Southern Brown Kiwi)
Apteryx haastii(Great Spotted Kiwi)
Apteryx mantelli(North Island Brown Kiwi)
Apteryx owenii(Little Spotted Kiwi)
Apteryx rowi(Okarito Kiwi)
Apusomonads(several genera of heterotrophic flagellates)
Aquificae(hyperthermophilic chemolithoautotrophs)
Aquifoliaceae(holly family)
Aquila(non-monophyletic)
Arachnida(spiders, mites, ticks, scorpions, etc.)
Aradidae(flat bugs)
Araeoscelidia(EXTINCT)
Araliaceae(ginseng family)
Aralobatrachus(EXTINCT)
Aramides(Little Wood Rail and relatives)
Aramides(Little Wood Rail and relatives)
A-axillaris(Rufous-necked Wood Rail)
A-cajanea(Grey-necked Wood Rail)
A-calopterus(Red-winged Wood Rail)
A-mangle(Little Wood Rail)
A-saracura(Slaty-breasted Wood Rail)
A-wolfi(Brown Wood Rail)
A-ypecaha(Giant Wood Rail)
Aramidopsis plateni(Snoring Rail)
Aramus guarauna(Limpkin)
Arandaspida(EXTINCT)
Arandaspis(EXTINCT)
Araneae(spiders)
Araneidae(common orb weavers)
Araneomorphae(most spiders: orb weavers, jumping spiders, etc.)
Araripichthyidae(EXTINCT)
Araschnia
A-oreas(incertae sedis)
Arborophila(Hill Partridge and relatives)
Arborophila(Hill Partridge and relatives)
A-ardens(Hainan Partridge)
A-atrogularis(White-cheeked Partridge)
A-brunneopectus(Bar-backed Partridge)
A-cambodiana(Chestnut-headed Partridge)
A-campbelli(Malaysian Partridge)
A-charltonii(Scaly-breasted Partridge)
A-chloropus(Green-legged Partridge)
A-crudigularis(Taiwan Partridge)
A-davidi(Orange-necked Partridge)
A-diversa(Siamese Partridge)
A-gingica(White-necklaced Partridge)
A-hyperythra(Red-breasted Partridge)
A-javanica(Chestnut-bellied Partridge)
A-mandellii(Chestnut-breasted Partridge)
A-orientalis(Grey-breasted Partridge)
A-rolli(Roll's Partridge)
A-rubrirostris(Red-billed Partridge)
A-rufipectus(Sichuan Partridge)
A-rufogularis(Rufous-throated Partridge)
A-sumatrana(Sumatran Partridge)
A-torqueola(Hill Partridge)
Archaea(Methanogens, Halophiles, Sulfolobus, and relatives) (non-monophyletic)
Archaemegaptilus(EXTINCT) (Archaemegaptilidae)
Archaemioptera(EXTINCT)
Archaeoceti(EXTINCT) (non-monophyletic)
Archaeoctonidae(EXTINCT)
Archaeofungiina(EXTINCT)
Archaeognatha(bristletails)
Archaeoindris fontoynonti(EXTINCT)
Archaeolemur edwardsi(EXTINCT)
Archaeolemur majori(EXTINCT)
Archaeolemuridae(EXTINCT) (incertae sedis)
Archaeonycteris(EXTINCT)
Archaeophlebia enigmatica(EXTINCT) (Paleocene, Menat, France)
Archaeopone(EXTINCT)
Archaeopone(EXTINCT)
A-kzylzharica(EXTINCT)
A-taylori(EXTINCT)
Archaeopteridales(EXTINCT)
Archaeopteryx(EXTINCT)
Archaeorycteropus(EXTINCT)
Archaeotragulus krabiensis(EXTINCT)
Archaeotriton(EXTINCT)0(incertae sedis)
Archaestomatopodea(EXTINCT)
Archegonasteridae(EXTINCT)
Archegosauridae(EXTINCT)
Archelytron(EXTINCT)
Archeorhinotermes rossi(EXTINCT)
Archicupes(EXTINCT)
Archidermaptera(EXTINCT) (non-monophyletic)
Archidermapteron(EXTINCT)
Archimyrmex(EXTINCT) (incertae sedis)
Archimyrmex(EXTINCT) (incertae sedis)
A-piatnitzkyi(EXTINCT)
A-rostratus(EXTINCT)
A-smekali(EXTINCT)
Archiponera wheeleri(EXTINCT) (incertae sedis)
ArchiteuthidaePfeffer 1900
Archizygoptera(EXTINCT)
Archophiactinidae(EXTINCT) (incertae sedis)
Archosauria(Birds, dinosaurs, crocodiles, and their relatives)
Archosauromorpha(crocodiles, birds, and their extinct relatives)
Arcioneura(EXTINCT)
Arctangia(EXTINCT)
Arctiidae(tiger moths)
Arctocebus calabarensis(golden potto, angwantibo)
Ardeidae(herons)
Ardeotis(Arabian Bustard and relatives)
Ardeotis(Arabian Bustard and relatives)
A-arabs(Arabian Bustard)
A-australis(Australian Bustard)
A-kori(Kori Bustard)
A-nigriceps(Great Indian Bustard)
Ardipithecus(EXTINCT)
Ardistomopsis
A-andrewesiStraneo and Ball
A-batesiStraneo and Ball
A-marginicollis(Schaum)
A-myrmex(Andrewes)
A-ovicollis(Bates)
Aremfoxia(incertae sedis)
Argasidae(Soft ticks)
ArgonautidaeTryon, 1879
ArgonautoidaNaef, 1912
Argusianus argus(Great Argus)
Argynnina(incertae sedis)
Argynnini(Fritillaries)
Argynnis
A-clara(incertae sedis)
A-kamala(incertae sedis)
Argyrohyus(EXTINCT)
Arhuaco(incertae sedis)
Ariekanerpeton sigalovi(EXTINCT)
Aristolochiaceae(dutchman's pipe family, including Lactoris fernandeziana)
Arkarua(EXTINCT)
Armania(EXTINCT)
Armania(EXTINCT)
A-capitata(EXTINCT)
A-curiosa(EXTINCT)
A-pristina(EXTINCT)
A-robusta(EXTINCT)
Armaniinae(EXTINCT) (non-monophyletic) (incertae sedis)
Arrhenophanidae(lattice moths)
Artamidae(wood-swallows)
Artemidactis
A-victrixStephenson 1918
Arthroleptidae(non-monophyletic)
Arthropoda(insects, spiders, crabs, etc.)
Arthropterites klebesi(EXTINCT)
Artiodactyla(pigs, deer, cattle, goats, sheep, hippopotamuses, camels, etc.) (non-monophyletic)
Artocoleus(EXTINCT) (incertae sedis)
Arvernineura insignis(EXTINCT) (Paleocene, Menat, France)
Arvernoceros(EXTINCT)
Arvicanthine group(African grass rice, whistling rats, rock rats, etc...)
Arvicolinae(voles, lemmings, and muskrats)
Asaphida(EXTINCT)
Asarcornis scutulata(White-winged Duck)
Aschiphasmatinaesensu Günther (1953) + Dajaca
Ascomycota(sac fungi, yeast, Penicillium, etc.)
Asiaster(3 species)
Asiatermes(EXTINCT) (Early Cretaceous of China)
Asimma rara(EXTINCT)
Asio(Stygian Owl and relatives)
Asio(Stygian Owl and relatives)
A-abyssinicus(Abyssinian Owl)
A-capensis(Marsh Owl)
A-flammeus(Short-eared Owl)
A-madagascariensis(Madagascar Owl)
A-otus(Long-eared Owl)
A-stygius(Stygian Owl)
Asiodictya(EXTINCT) (incertae sedis)
Asiodiplatys(EXTINCT)
AsperoteuthisNesis, 1980
AsperoteuthisNesis, 1980
A-acanthoderma(Lu, 1977)
A-mangoldaeYoung, Vecchione and Roper, 2007
Aspidochirotida(beche-de-mer, trepang, etc.)
Aspidohymen(EXTINCT)
Aspidorhynchiformes(EXTINCT) (Mesozoic fossils) (incertae sedis)
Aspidothorax(EXTINCT)
Aspredini
A-chthtys filamentosusValenciennes, 1840
A-chthtys tibicenValenciennes, 1840
Astephus(EXTINCT)
Asteraceae(composite family)
Asteractis bradleyiVerrill 1869
Asteroidea(seastars and cushion stars)
Asterolecaniidae(pit scales)
Asthenohymen(EXTINCT)
Astraspida(EXTINCT)
Astraspis desiderata(EXTINCT)
Astraspis splendens(EXTINCT)
Astrhelia(EXTINCT)
Asymphylomyrmex balticus(EXTINCT) (incertae sedis)
Ateleaspis(EXTINCT)
Atelornis
A-crossleyi(Rufous-headed Ground Roller)
A-pittoides(Pitta-like Ground Roller)
Athene(Little Owl and relatives)
Athene(Little Owl and relatives)
A-brama(Spotted Owlet)
A-cunicularia(Burrowing Owl)
A-noctua(Little Owl)
Atheriniformes(silversides, rainbowfishes, and relatives)
Atholus(~79 species)
AtlantaLesueur, 1817
AtlantaLesueur, 1817
A-californiensisSeapy and Richter, 1993
A-selvagensisde Vera and Seapy 2006
Atlantea(incertae sedis)
AtlantidaeRang, 1829
Atlantisia rogersi(Inaccessible Island Rail)
Atribalus(1 species)
Atrichornithidae(scrub-birds)
Attelabidae(leaf rolling weevils, thief weevils, etc.)
Attini(fungus-growing ants)
Attopsis(EXTINCT) (incertae sedis)
Attopsis(EXTINCT) (incertae sedis)
A-longipennis(EXTINCT)
A-longipes(EXTINCT)
Atypidae(purseweb spiders)
Aublysodon molnari(EXTINCT)
Aublysodontinae(EXTINCT)
Auchenorrhyncha(cicadas, spittlebugs, leafhoppers, treehoppers, planthoppers) (non-monophyletic)
Aulacopone relicta(incertae sedis)
Aulactinia capitataVerrill 1864
Aulactinia stelloidesMc Murrich [sic] 1889
Aulocera(incertae sedis)
Aureliachoerus(EXTINCT)
Aureliana
A-georgianaCarlgren 1927
A-japonicaCarlgren 1940
Austral Loxandrus(monophyly uncertain)
Australasian group(hydromyines, conilurines, and others of Australia, New Guinae, and insular SE Asia)
Australian series(non-monophyletic)
AustraliteuthidaeLu, 2005
Australocamelus(EXTINCT) (incertae sedis)
Australopithecus(EXTINCT) (non-monophyletic)
Austrlobatrachus(EXTINCT)
Austrolimulus fletcheri(EXTINCT)
AustrorossiaBerry, 1918
Austrosaginae(Flightless predatory katydids) (incertae sedis)
Auzakia(incertae sedis)
Avahi laniger(woolly lemur)
Aves(birds)
Aviceda(incertae sedis)
Avicennia(black mangroves)
Avocatinus elongatus(EXTINCT)
Avocoleus(EXTINCT)
Axelinus(1 species)
Axiidae(gold moths)
Axis(chital and relatives)
Axis(chital and relatives)
A-axis(chital)
A-calamianensis(Calamian deer)
A-kuhlii(Bawean deer)
A-porcinus(hog deer)
Axocyathus(EXTINCT)
Aykhal(EXTINCT)
Aythya(Scaups, Canvasback and relatives)
Aythya(Scaups, Canvasback and relatives)
A-affinis(Lesser Scaup)
A-americana(Redhead)
A-australis(Hardhead)
A-baeri(Baer's Pochard)
A-collaris(Ring-necked Duck)
A-ferina(Common Pochard)
A-fuligula(Tufted Duck)
A-innotata(Madagascar Pochard)
A-marila(Greater Scaup)
A-novaeseelandiae(New Zealand Scaup)
A-nyroca(Ferruginous Duck)
A-valisineria(Canvasback)
Babakotia radofilai(EXTINCT)
Babyrousa babyrussa(babirusa)
Bacanius(non-monophyletic)
Bachitheriidae(EXTINCT)
Bacteroidetes(a diverse group including pathogens, commensals, and free-living bacteria)
Baenidae(EXTINCT)
Baeoneura(EXTINCT)
Baikuris(EXTINCT)
Baikuris(EXTINCT)
B-casei(EXTINCT)
B-mandibularis(EXTINCT)
B-mirabilis(EXTINCT)
Baissinae(EXTINCT)
Baissoferidae(EXTINCT) (incertae sedis)
Baissomantis(EXTINCT)
Baissomantis(EXTINCT)
B-maculata(EXTINCT) (Lower Cretaceous, Zaza formation, Siberia)
B-picta(EXTINCT) (Lower Cretaceous, Zaza Formation, Siberia)
Balaena mysticetus(bowhead whale or Greenland right whale)
Balaenicipitidae(Shoebill)
Balaenidae(right whales)
Balaenoptera acutorostrata(minke whale)
Balaenoptera borealis(sei whale)
Balaenoptera edeni(Bryde's whale)
Balaenoptera musculus(blue whale)
Balaenoptera physalus(fin whale)
Balaenopteridae(rorquals)
Balaenula(EXTINCT)
Balanophoraceae0(incertae sedis)
Balearica(Grey Crowned Crane and Black Crowned Crane)
Balearica(Grey Crowned Crane and Black Crowned Crane)
B-pavonina(Black Crowned Crane)
B-regulorum(Grey Crowned Crane)
Balnearium(incertae sedis)
Baltioligota(EXTINCT)
Bambusicola(Bamboo Partridges)
Bambusicola(Bamboo Partridges)
B-fytchii(Mountain Bamboo Partridge)
B-thoracicus(Chinese Bamboo Partridge)
Bangiales*
Baphetes bohemicus(EXTINCT)
Baphetes kirkbyi(EXTINCT)
Baphetes lintonensis(EXTINCT)
Baphetes planiceps(EXTINCT)
Baphetidae(EXTINCT)
Baracidris(incertae sedis)
Baranophrys(EXTINCT)
Barberahyus(EXTINCT)
Bardohymen(EXTINCT)
Bargmannia wettsteini(EXTINCT)0(incertae sedis)
Bartholomea tagetesDuchassaing and Michelotti 1866
Bartholomea tagetesDuchassaing and Michelotti 1866
B-werneriWatzl 1922
Barybryaxis(EXTINCT)
Barytheriidae(EXTINCT)
Baseodiscidae(monophyly uncertain)
Basidiomycota(mushrooms, rusts, smuts, etc.)
Basilewskya(incertae sedis)
BathothaumaChun, 1906
Bathydactylus
B-valdiviaeCarlgren 1928
Bathyergomorpha(African mole rats)
Bathynataliidae(F.)
BathypolypusGrimpe, 1921
Bathytaptus(EXTINCT) (incertae sedis)
BathyteuthidaePfeffer 1900
BathyteuthoidaVecchione, Young and Sweeney, 2004
Batis(batises)
BatoteuthidaeYoung and Roper, 1968
Batrachoidiformes(toadfishes)
Batrachosauaroididae(EXTINCT)0(incertae sedis)
Batrachostomus
B-auritus(Large Frogmouth)
B-cornutus(Sunda Frogmouth)
B-harterti(Dulit Frogmouth)
B-hodgsoni(Hodgson's Frogmouth)
B-javensis(Javan Frogmouth)
B-moniliger(Sri Lanka Frogmouth)
B-poliolophus(Short-tailed Frogmouth)
B-septimus(Philippine Frogmouth)
B-stellatus(Gould's Frogmouth)
Becquerelia(EXTINCT)
Begoniaceae(begonia family)
Belemnoidea(EXTINCT)
Belidae(cycad weevils)
Bellinuroopsis(EXTINCT)
Bellinurus(EXTINCT)
Beloniformes(flyingfishes and relatives)
Belostomatidae(giant water bugs)
Bembidion
B-(Bracteon)(B. litorale, B. carinula, ...)
B-(Eupetedromus)(B. dentellum, B. incrematum, ...)
B-(Hydrium)(B. laticolle, B. nitidum, ...)
B-(Lionepha)(B. erasum group)
B-(Ochthedromus)(B. americanum, B. bifossulatum)
B-(Ocydromus) Complex(B. tetracolum, B. grapii, ...)
B-(Odontium)(B. coxendix, B. striatum, ...)
B-(Odontium) Complex(B. coxendix, B. litorale, B. chalceum, ...)
B-(Pseudoperyphus)(B. chalceum, B. honestum, ...)
B-(Semicampa)(B. muscicola group)
Benicerus(EXTINCT)
Bennettitales(EXTINCT)
Benneviaspidida(EXTINCT)
BenthoctopusGrimpe, 1921*
Berberidaceae(barberry family)
BerryteuthisNaef, 1921
BerryteuthisNaef, 1921
B-anonychus(Pearcy & Voss, 1963)
B-magister(Berry, 1913)
BM-nipponensisOkutani & Kubodera, 1987
BM-shevtsoviKatsugin, 2000
Beryciformes(flashlight fishes, pineconefishes, squirrelfishes, alfonsinos, and relatives)
Berytidae(stilt bugs)
Betulaceae(birch family)
Bhutanitis
B-ludlowi(incertae sedis)
Biarmohymen(EXTINCT)
Biarmosuchia(EXTINCT)
Bicidium parasiticaAgassiz 1859
Bicyclus
B-abnormis(incertae sedis)
B-albocincta(incertae sedis)
B-aurivillii(incertae sedis)
B-campina(incertae sedis)
B-condamini(incertae sedis)
B-cooksoni(incertae sedis)
B-danckelmani(incertae sedis)
B-dekeyseri(incertae sedis)
B-ephorus(incertae sedis)
B-feae(incertae sedis)
B-howarthi(incertae sedis)
B-kiellandi(incertae sedis)
B-lamani(incertae sedis)
B-maesseni(incertae sedis)
B-milyas(incertae sedis)
B-nachtetis(incertae sedis)
B-neustetteri(incertae sedis)
B-nobilis(incertae sedis)
B-rhacotis(incertae sedis)
B-rileyi(incertae sedis)
B-saussurei(incertae sedis)
B-similis(incertae sedis)
B-simulacris(incertae sedis)
B-suffusa(incertae sedis)
B-sylvicolus(incertae sedis)
B-tanzanicus(incertae sedis)
B-uzungwensis(incertae sedis)
Bignoniaceae(trumpet creeper family)
Bilateria(most animals including vertebrates, arthropods, molluscs, etc.)
Biomyxa(genus of free-living amoebae)
Biphyllidae(false skin beetles)
Birgerbohlinia(EXTINCT)
Birgeriidae(EXTINCT)
Birkenia(EXTINCT)
Bivalvia(mussels, clams, oysters, cockles, etc.)
Biziura lobata(Musk Duck)
Blaberidae(giant cockroaches)
Blancocamelus(EXTINCT)
Blarinomys(incertae sedis)
Blastobasidae(scavenger moths)
Blastocerus dichotomus(marsh deer)
Blastoidea(EXTINCT)
Blastomeryx(EXTINCT)
Blattaria(cockroaches) (non-monophyletic)
Blattellidae(wood cockroaches) (non-monophyletic)
Blattelytron(EXTINCT)
Blattidae(non-monophyletic)
Blattotermes(EXTINCT)
Blattotermes(EXTINCT)
B-massiliensis(EXTINCT) (Lower Oligocene of France)
B-neoxenus(EXTINCT) (Eocene of Queensland, Australia)
B-wheeleri(EXTINCT) (Eocene of Tennessee, USA)
Blepharis
B-acuminataOberm.
B-asteracanthusC. B. Clarke
B-buchneriLindau
B-calcitrapaBenoist
Blepharis dhofarensisA. G. Miller
Blepharis dhofarensisA. G. Miller
B-diversipina(Nees) C. B. Clarke
B-edulis(Forssk.) Pers.
B-integrifolia(L.f.) E. Mey. ex Schinz
B-katangensisDe Wild.
B-maderaspatensis(L.) Roth.
B-natalensisOberm.
B-sinuata(Nees) C. B. Clarke
B-subvolubilisC. B. Clarke
B-tenuirameaS. Moore
B-trispinaNapper
Blepharodera(incertae sedis)
Blickomylus(EXTINCT)
Bobastraniidae(EXTINCT)
Bohlinia(EXTINCT)
Bojoptera(EXTINCT) (incertae sedis)
Bolbe(monophyly uncertain)
Bolcabalistidae(EXTINCT)
Bolitaena pygmaea(Verrill 1884)
BolitaenidaeChun, 1911
Bolocera brevicornisMc Murrich [sic] 1893
Bolocera brevicornisMc Murrich [sic] 1893
B-capensisCarlgren 1928
B-kerguelensisStuder 1878
B-maximaCarlgren 1921
Bolocera mc murrichi[sic] Kwietniewski 1898
Bolocera multicornisVerrill 1879
Bolocera multicornisVerrill 1879
B-occiduaMc Murrich [sic] 1893
B-pannosaMc Murrich [sic] 1893
Bolocera pollensMc Murrich [sic] 1898
Bolocera pollensMc Murrich [sic] 1898
B-somaliensisCarlgren 1928
Boloceractis
B-gopalayiPanikkar 1937
Boloceropsis
B-plateiMc Murrich [sic] 1904
Boltonocosta(EXTINCT) (incertae sedis)
Boltopruvostia(EXTINCT)
Bombini(bumble bees)
Bombycidae(silkworm moths)
Bombycillidae(waxwings, silky flycatchers, and palmchat) (incertae sedis)
Bombycoidea(silkworm moths, hawk moths, emperor moths, and relatives)
BombyliidaeBee Flies
Bonasa umbellus(Ruffed Grouse)
Boopsis(EXTINCT)
Bootherium(EXTINCT)
Boraginaceae(incl. Hydrophyllaceae)
Boridae(conifer bark beetles)
Boscoleus blandus(EXTINCT)
Bothrophoria(EXTINCT)
Bothynophora elegans(EXTINCT) (incertae sedis)
Botryopteridaceae(EXTINCT)0(incertae sedis)
Bovidae(cattle, sheep, goats, and antelopes)
Bovinae(oxen, cattle, buffalos, eland, kudu, and relatives)
Brachiatusmilia(EXTINCT)
Brachionichthyidae(Handfishes)
Brachiopoda(lamp shells) (non-monophyletic)
BrachioteuthidaePfeffer 1908
Brachodidae(little bear moths)
Brachyopterellidae(EXTINCT)
Brachypteracias(monophyly uncertain)
Brachypteracias(monophyly uncertain)
B-leptosomus(Short-legged Ground Roller)
Brachypteraciidae(Ground Rollers)
Brachypteridae(short-winged flower beetles)
Bradoponera meieri(EXTINCT)
Bradypodidae(three toed sloths)
Bradyporinae(Ground 'crickets')
Bradypterus victorini(Victorin's scrub-warbler)
Brahmaeidae(brahmin moths)
Bramatherium(EXTINCT)
Branchiopoda(brine shrimps, water fleas, etc.)
Branchiosauridae(EXTINCT)
Branchiura(sea lice, fish lice, and tongue worms)
Branta(Canada Goose and relatives)
Branta(Canada Goose and relatives)
B-bernicla(Brant Goose)
B-canadensis(Canada Goose)
B-hutchinsii(Cackling Goose)
B-leucopsis(Barnacle Goose)
B-ruficollis(Red-breasted Goose)
B-sandvicensis(Nene)
Brasenia(watershields)
Brasiliochoerus(EXTINCT)
Brassicaceae(mustard or crucifer family)
Brentidae(straight-snouted weevils, pear-shaped weevils)
Bretzia(EXTINCT)
Breyeria(EXTINCT)
Breyeriidae(EXTINCT)
Brochocoleus(EXTINCT)
Brodia(EXTINCT)
Brodioptera(EXTINCT)
Brontotheriidae(EXTINCT)
Brownimecia clavata(EXTINCT)
Bruchidae(bean weevils)
Bruniaceae(incl. Berzeliaceae)
Bryales(non-monophyletic)
Bryantiella(monophyly uncertain)
Bryophyta(mosses)
Bryopsida(mosses with arthrodontous peristome)
Bryozoa(moss animals)
Bubo(Eagle Owls, Horned Owls, Snowy Owl and relatives)
Bubo(Eagle Owls, Horned Owls, Snowy Owl and relatives)
B-africanus(Spotted Eagle-Owl)
B-ascalaphus(Pharaoh Eagle-Owl)
B-blakistoni(Blakiston's Fish Owl)
B-bubo(Eurasian Eagle-Owl)
B-capensis(Cape Eagle-Owl)
B-cinerascens(Greyish Eagle-Owl)
B-coromandus(Dusky Eagle-Owl)
B-lacteus(Verreaux's Eagle-Owl)
B-leucostictus(Akun Eagle-Owl)
B-magellanicus(Lesser Horned Owl)
B-nipalensis(Spot-bellied Eagle-Owl)
B-philippensis(Philippine Eagle-Owl)
B-poensis(Fraser's Eagle-Owl)
B-scandiacus(Snowy Owl)
B-shelleyi(Shelley's Eagle-Owl)
B-sumatranus(Barred Eagle-Owl)
B-virginianus(Great Horned Owl)
B-vosseleri(Usambara Eagle-Owl)
Buccinoidea(whelks & relatives)
Bucconidae(puffbirds)
Bucephala(Bufflehead and Goldeneyes)
Bucephala(Bufflehead and Goldeneyes)
B-albeola(Bufflehead)
B-clangula(Common Goldeneye)
B-islandica(Barrow's Goldeneye)
Bucerotidae(hornbills)
Buddenbrockia plumatellae(Tetracapsula bryozoides)
Budorcas taxicolor(takin)
Bugtimeryx(EXTINCT)
Bunocephalus
B-aleuropsisCope, 1870
B-amaurusEigenmann, 1912b
B-chamaizelusEigenmann, 1912b
B-colombianusEigenmann, 1912a
B-coracoideus(Cope, 1874)
B-doriaeBoulenger, 1902
B-kneriiSteindachner, 1882
B-laraivon Ihering, 1930
B-verrucosus(Bloch, 1794)
Bunodactis
B-aucklandicaCarlgren 1927
B-curacaoensisPax 1924
Bunodactis fallaxPax 1922
Bunodactis inflexibilisCarlgren 1928
Bunodactis japonicaVerrill 1869
Bunodactis manniVerrill 1899
Bunodactis manniVerrill 1899
B-mexicanaCarlgren 1949
Bunodactis michaelseniPax 1920
Bunodactis michaelseniPax 1920
B-nicobaricaCarlgren 1928
B-rubro-fuscaCarlgren 1924
B-steinitzePax 1925
Bunodactis vanhoeffeniPax 1922
Bunodella georgianaPfeffer 1889
Bunodeopsis
B-antilliensisDuerden 1897
B-australisHaddon 1898
B-sp.commensal with Melia tesselata see Duerden 1905
B-strumosaAndres 1880
Bunodes(EXTINCT)
Bunodes Biscayensis[sic] Fischer 1874
Bunodes Duregnei[sic] Fischer 1889
Bunodes Listeri[sic] Johnson 1861
Bunodes abyssorumDanielssen 1890
Bunodes aureo-radiataCarlgren 1930
Bunodes coronataGosse 1858
Bunodes crassaAndres 1880
Bunodes hermafroditicaCarlgren 1899
Bunodes japonicaVerrill 1868
Bunodes koseiriensisKlunzinger 1877
Bunodes minimaStuckey and Walton 1910
Bunodes minutusHertwig 1882
Bunodes octoradiataCarlgren 1899
Bunodes papillosaVerrill 1869
Bunodes patagoniensisCarlgren 1899
Bunodes pluviaVerrill 1869
Bunodes rigidusAndres 1880
Bunodes roseaStuckey and Walton 1910
Bunodes sabelloidesAndres 1880
Bunodes stellaVerrill 1864
Bunodes thalliaGosse 1855
Bunodes varidiCarlgren 1900
Bunodosoma
B-californicaCarlgren 1949
B-kuekenthaliPax 1910
B-spherulataDuerden 1902
Bunolistriodon(EXTINCT)
Buphagus(oxpeckers)
Burhinidae(thick-knees)
Burmantis(EXTINCT)
Burmantis(EXTINCT)
B-asiatica(EXTINCT) (Mid-Cretaceous amber, Myanmar)
B-lebanensis(EXTINCT) (Lower Cretaceous amber, Lebanon)
Burmitembia venosa(EXTINCT) (Burmese amber) (incertae sedis)
Burmomyrma rossi(EXTINCT) (incertae sedis)
Burseraceae(frankincense family)
Burtinopsis(EXTINCT)
Busarellus(incertae sedis)
Butastur(incertae sedis)
Buteo(non-monophyletic)
Buteogallus(non-monophyletic)
Buxus(non-monophyletic)
Byrrhidae(pill beetles, moss beetles)
Byturidae(fruitworms)
Cabomba(fanworts)
Cacicus
C-cela(Yellow-rumped Cacique)
C-chrysonotous(Southern Mountain Cacique)
C-chrysopterus(Golden-winged Cacique)
C-haemorrhous(Red-rumped Cacique)
C-koepckeae(Selva Cacique) (incertae sedis)
C-leucoramphus(Northern Mountain Cacique)
C-melanicterus(Mexican Cacique) (incertae sedis)
C-microrhynchus(Scarlet-rumped Cacique)
C-sclateri(Ecuadorian Cacique)
C-solitarius(Solitary Cacique) (incertae sedis)
C-uropygialis(Subtropical Cacique)
Cacoblatta(incertae sedis)
Cactaceae(cactus family)
Cactosoma
C-abyssorumDanielssen 1890
C-arenariaCarlgren 1931
Caelifera(Shorthorned grasshoppers and locusts)
Caenogastropoda(winkles, whelks, balers, heteropods, cowries, cones etc.)
Caenomeryx(EXTINCT)
Caerosternus(1 species)
Cainochoerus(EXTINCT)
Cainotheriidae(EXTINCT)
Cainotherium(EXTINCT)
Cairina moschata(Muscovy Duck)
Calamactinia
C-goughiensisCarlgren 1949
Calamactis
C-praelongusCarlgren 1949
Calamopityaceae(EXTINCT)
Calcarius(longspurs, snow buntings)
Calceolariaceae(slipper flowers)
Calcichordata(EXTINCT) (incertae sedis)
Calcochloris obtusirostris(Yellow golden mole)
Caldithrix(incertae sedis)
Calisto(incertae sedis)
Callaeatidae(New Zealand wattlebirds)
Callarge(incertae sedis)
Callerya(monophyly uncertain)
Calliactis
C-armillatusVerrill 1928
C-japonicaCarlgren 1928
C-miriamHaddon and Shackleton 1893
C-reticulataStephenson 1918
C-valdiviaeCarlgren 1938
C-variegataVerrill 1869
Calliactis vincentinaPax 1922
Calliasterellidae(EXTINCT)
Callidulidae(Old World butterfly moths)
Callipallenidae(non-monophyletic)
Callipepla(Scaled Quail and relatives)
Callipepla(Scaled Quail and relatives)
C-californica(California Quail)
C-douglasii(Elegant Quail)
C-gambelii(Gambel's Quail)
C-squamata(Scaled Quail)
Calliptaminae(includes Habrocneminae Yin)
CallistoctopusTaki, 1964
Callistophytaceae(EXTINCT)
Callivates stephanei(incertae sedis)
Callonetta leucophrys(Ringed Teal)
Callosciurini(beautiful squirrels and Asian tree squirrels)
Calohymen(EXTINCT)
Calomys(non-monophyletic)
Calomys(non-monophyletic)
C-callidus(incertae sedis)
Calomyscinae(mouselike hamsters)
Caloneura(EXTINCT)
Caloneurella(EXTINCT) (incertae sedis)
Caloneurodea(EXTINCT)
Caloperdix oculeus(Ferruginous Partridge)
Calopieris(incertae sedis)
Calvertiella(EXTINCT)
Calvertiellidae(EXTINCT)
Calyptites antediluvianum(EXTINCT) (incertae sedis)
Camaricopterus ovalis(EXTINCT)
Cambayella(EXTINCT)
Cambropycnogon klausmuelleri(EXTINCT) (Upper Cambrian of Sweden)
Camelidae(camels and llamas)
Camelinae(camels, llamas, and their relatives)
Camelini(camels)
Cameloblatta(EXTINCT)
Camelops(EXTINCT)
Camelus bactrianus(Bactrian camel, two-hump camel)
Camelus dromedarius(dromedary, one-hump camel)
Camerata(EXTINCT)
Camiarinae(monophyly uncertain)
Campanulaceae(bellflower family, including Lobeliaceae)
Campephagidae(cuckoo-shrikes)
Camponotini(carpenter ants, etc.)
Camponotites macropterus(EXTINCT)
Camponotus(carpenter ants)
Campylorhabdus(2 species)
Canadaphididae(EXTINCT)
Canadaphidoidea(EXTINCT)
Canapone dentata(EXTINCT) (incertae sedis)
Candiacervus(EXTINCT)
Canidae(wolves, dogs, coyotes, foxes, jackals)
Canirallus(Grey-throated Rail and relatives)
Canirallus(Grey-throated Rail and relatives)
C-kioloides(Madagascar Wood Rail)
C-oculeus(Grey-throated Rail)
Cannabaceae(cannabis family) (non-monophyletic)
Cantharidae(soldier beetles)
Canthumeryx(EXTINCT)
Caperea marginata (pygmy right whale)(pygmy right whale)
Capnea lucidaDuchassaing and Michelotti 1860
Capniella(incertae sedis)
Capnioneura(incertae sedis)
Capnopsis(incertae sedis)
Capra(goats)
Capra(goats)
C-caucasica(West Caucasian tur)
C-cylindricornis(East Caucasian tur)
C-falconeri(markhor)
C-hircus(domestic goat, feral goat)
C-ibex(ibex)
C-nubiana(nubian ibex)
C-pyrenaica(Iberian mountain goat or Spanish ibex)
C-sibirica(Siberian ibex)
C-walie(Walia ibex)
Capraoryx(EXTINCT)
Capreolia clade(includes species of Capreolia and Gelidium)
Capreolus(roe deer)
Capreolus(roe deer)
C-capreolus(Western roe deer)
C-pygargus(Eastern roe deer)
Capricamelus(EXTINCT)
Caprimulgidae(Nightjars)
Caprimulgiformes(Nightbirds) (monophyly uncertain)
Caprimulgus(Chuck-will's-widow and relatives) (non-monophyletic)
Caprimulgus(Chuck-will's-widow and relatives) (non-monophyletic)
C-aegyptius(Egyptian Nightjar)
C-affinis(Savanna Nightjar)
C-anthonyi(Anthony's Nightjar)
C-asiaticus(Indian Nightjar)
C-atripennis(Jerdon's Nightjar)
C-badius(Yucatan Nightjar)
C-batesi(Bates's Nightjar)
C-candicans(White-winged Nightjar)
C-carolinensis(Chuck-will's-widow)
C-cayennensis(White-tailed Nightjar)
C-celebensis(Sulawesi Nightjar)
C-centralasicus(Vaurie's Nightjar)
C-clarus(Slender-tailed Nightjar)
C-climacurus(Long-tailed Nightjar)
C-concretus(Bonaparte's Nightjar)
C-cubanensis(Greater Antillean Nightjar)
C-donaldsoni(Donaldson-Smith's Nightjar)
C-enarratus(Collared Nightjar)
C-europaeus(European Nightjar)
C-eximius(Golden Nightjar)
C-fossii(Square-tailed Nightjar)
C-fraenatus(Sombre Nightjar)
C-hirundinaceus(Pygmy Nightjar)
C-indicus(Grey Nightjar)
C-inornatus(Plain Nightjar)
C-longirostris(Band-winged Nightjar)
C-macrurus(Large-tailed Nightjar)
C-maculicaudus(Spot-tailed Nightjar)
C-maculosus(Cayenne Nightjar)
C-madagascariensis(Madagascar Nightjar)
C-mahrattensis(Sykes's Nightjar)
C-manillensis(Philippine Nightjar)
C-natalensis(Swamp Nightjar)
C-nigrescens(Blackish Nightjar)
C-nigriscapularis(Black-shouldered Nightjar)
C-noctitherus(Puerto Rican Nightjar)
C-nubicus(Nubian Nightjar)
C-parvulus(Little Nightjar)
C-pectoralis(Fiery-necked Nightjar)
C-poliocephalus(Montane Nightjar)
C-prigoginei(Prigogine's Nightjar)
C-pulchellus(Salvadori's Nightjar)
C-ridgwayi(Buff-collared Nightjar)
C-ruficollis(Red-necked Nightjar)
C-rufigena(Rufous-cheeked Nightjar)
C-rufus(Rufous Nightjar)
C-ruwenzorii(Ruwenzori Nightjar)
C-salvini(Tawny-collared Nightjar)
C-saturatus(Dusky Nightjar)
C-sericocaudatus(Silky-tailed Nightjar)
C-solala(Nechisar Nightjar)
C-stellatus(Star-spotted Nightjar)
C-tristigma(Freckled Nightjar)
C-vociferus(Whip-poor-will)
C-whitelyi(Roraiman Nightjar)
Caprinae(sheep, goats, muskox, chamois, and relatives)
Capromeryx(EXTINCT)
Caprotragoides(EXTINCT)
Captorhinidae(EXTINCT)
Capucinella(incertae sedis)
Carabidae
C-Conjunctae(the majority of carabid species)
Carabidomemnus
C-(Cerapterites)(EXTINCT)
CC-clavipetrus(EXTINCT)
CC-primaevus(EXTINCT)
CC-reichenspergerianus(EXTINCT)
Caracara
C-cheriway(crested caracara)
C-lutosa(EXTINCT) (Guadalupe caracara)
C-plancus(southern caracara)
Carcinosomatidae(EXTINCT)
Cardinalidae(grosbeaks)
Cariacasia(incertae sedis)
Cariama cristata(Red-legged Seriema)
Cariamidae(Seriemas)
Caribosiren(EXTINCT)
CarinariidaeBlainville 1818
Carinatermes nascimbeni(EXTINCT) (Mid-Cretaceous amber, New Jersey)
Cariridris bipetiolata(EXTINCT) (incertae sedis)
Carlgrenia
C-desiderataStephenson 1918
Carnivora(dogs, cats, bears, raccoons, weasels, mongooses, hyenas, seals, walruses)
Carposinidae(fruitworm moths)
Carrhenes
C-meridensis(incertae sedis)
Carrizopteryx(EXTINCT)
Carthaea saturnioides(Australian silkworm moth)
Caryandinae(recently split from Oxyinae)
Caryophyllaceae(carnation family)
Caryophylliidae(non-monophyletic)
Caryophylliidae(non-monophyletic)
C-Genus group 3(EXTINCT)
Caryosmilia(EXTINCT)
Casaleia inversa(EXTINCT)
Casearia(non-monophyletic)
Caseidae(EXTINCT)
Casterolimulus kletti(EXTINCT)
Castniidae(giant butterfly moths)
Castoridae(beavers)
Casuariidae(Cassowaries)
Casuarinaceae(she-oak family)
Casuarius bennetti(Dwarf Cassowary)
Casuarius casuarius(Southern Cassowary)
Casuarius unappendiculatus(Northern Cassowary)
Catabrycus hoplites(EXTINCT)
Catadyesthus(EXTINCT) (incertae sedis)
Catagonus wagneri(Chacoan peccary)
Catapieseini(incertae sedis)
Catarrhini(humans, great apes, gibbons, Old World monkeys)
Catasticta(monophyly uncertain)
Cathartidae(New World vultures) (incertae sedis)
Catiniidae(EXTINCT) (incertae sedis)
Catinius pelta(EXTINCT)
Catinoides rotundatus(EXTINCT)
Catodontherium(EXTINCT)
Catopocerus(monophyly uncertain)
Catreus wallichi(Cheer Pheasant)
Caudata(Salamanders and Newts)
Caudofoveata(Chaetodermomorpha)
Caulophrynidae(Fanfin Seadevils)
Cauloptera(EXTINCT)
Caviomorpha(New World porcupines, chinchillas, guinea pigs, agoutis, nutria, cavies, etc.)
Caytoniaceae(EXTINCT)
Cebochoeridae(EXTINCT)
Cecidosidae(gall moths)
Cedarpelta(EXTINCT)
Celebochoerus(EXTINCT)
Celtidaceae(hackberry family)
Centrocercus(Sage Grouse and Gunnison Grouse)
Centrocercus(Sage Grouse and Gunnison Grouse)
C-minimus(Gunnison Grouse)
C-urophasianus(Sage Grouse)
Centroheliozoa(several genera of heliozoa)
Centrophrynidae(Hollowcheek Anglerfishes)
Cephalaspidida(EXTINCT)
Cephalochordata(amphioxus)
Cephalomyrmex rotundatus(EXTINCT) (incertae sedis)
Cephalophinae(duikers)
Cephalophus adersi(Aders's duiker)
Cephalophus callipygus(Peters's duiker)
Cephalophus dorsalis(bay duiker)
Cephalophus harveyi(Harvey's duiker)
Cephalophus jentinki(Jentink's duiker)
Cephalophus leucogaster(white-bellied duiker)
Cephalophus maxwellii(Maxwell's duiker)
Cephalophus monticola(blue duiker)
Cephalophus natalensis(Natal duiker)
Cephalophus niger(black duiker)
Cephalophus nigrifrons(black-fronted duiker)
Cephalophus ogilbyi(Ogilby's duiker)
Cephalophus rubidus(Ruwenzori duiker)
Cephalophus rufilatus(red-flanked duiker)
Cephalophus silvicultor(yellow-backed duiker)
Cephalophus spadix(Abbott's duiker)
Cephalophus weynsi(Weyns's duiker)
Cephalophus zebra(zebra duiker)
Cephalopoda(octopods, squids, nautiluses, etc.)
Cephalops
C-artifrons(incertae sedis)
C-buclavus(incertae sedis)
C-chandiensis(incertae sedis)
C-crassispinus(incertae sedis)
C-excellens(incertae sedis)
C-flavocinctus(incertae sedis)
C-gansuensis(incertae sedis)
C-gracilentus(incertae sedis)
C-hirtifemurus(incertae sedis)
C-incohatus(incertae sedis)
C-kashmerensis(incertae sedis)
C-kumaonensis(incertae sedis)
C-kumatai(incertae sedis)
C-longicaudus(incertae sedis)
C-longistigmatis(incertae sedis)
C-mashobraensis(incertae sedis)
C-metallicus(incertae sedis)
C-nigronitens(incertae sedis)
C-orbiculatus(incertae sedis)
C-seminitidus(incertae sedis)
C-shanghaiensis(incertae sedis)
C-shisanlingensis(incertae sedis)
C-splendens(incertae sedis)
C-yoshiyasui(incertae sedis)
Cephalosphaera
C-amboinalis(incertae sedis)
C-baltica(EXTINCT) (incertae sedis)
C-hikosanus(incertae sedis)
C-honshuensis(incertae sedis)
C-immodica(incertae sedis)
C-kasparjani(incertae sedis)
C-motichoorensis(incertae sedis)
C-prolata(incertae sedis)
C-redunca(incertae sedis)
Cephalosyne capitata(EXTINCT)
Cephalotus follicularis(Albany pitcher plant)
Cephaloxenidae(EXTINCT)
Cerambycidae(longhorn beetles)
Ceratiidae(Caruncled Seadevils)
Ceratioidei(Devilfishes)
Ceratohister
C-ankylonotumDégallier & Caterino
C-cornutusDégallier & Caterino
C-demotus(Caterino)
C-leaiDégallier & Caterino
C-pheidoliphilusReichensperger
Ceratomeryx(EXTINCT)
Ceratophyllum demersum(coontail)
Ceratopsia(EXTINCT) (Triceratops and other frilled dinosaurs)
Ceratosauria(EXTINCT) (Dilophosaurus, Ceratosaurus, and relatives)
Cercocebus(non-monophyletic)
Cercomonads(several genera of heterotrophic flagellates)
Cercopidae(froghoppers, spittlebugs)
Cercopithecidae(Old World monkeys)
Cercopodata(EXTINCT) (incertae sedis)
Cercopoidea(froghoppers, spittlebugs)
Cereopsis novaehollandiae(Cape Barren Goose)
Cereus brevicornisStuder 1878
Cereus sinensisVerrill 1869
Cereus spinosaHertwig 1882
Cereus stimpsoniVerrill 1868
Ceriantharia(incertae sedis)
Cerococcidae(ornate pit scales)
Cerophytum(rare click beetles)
Certhiidae(treecreepers)
Cervalces(EXTINCT)
Cervavitulus(EXTINCT)
Cervidae(mouse, caribou, deer, and muntjacs)
Cervocerus novorossiae(EXTINCT)
Cervus albirostris(Thorold's deer, white-lipped deer)
Cervus alfredi(Visayan spotted deer)
Cervus elaphus(red deer, elk)
Cervus eldii(Eld's deer)
Cervus mariannus(Philippine brown deer)
Cervus nippon(sika deer)
Cervus timorensis(Timor deer)
Cervus unicolor(sambar)
Cerylonidae(minute bark beetles)
Cetacea(whales, dolphins, porpoises)
Cetobacterium ceti(incertae sedis)
Cetotheriidae(EXTINCT) (non-monophyletic) (incertae sedis)
Cettiidae(bush warblers)
Chaenohyus(EXTINCT)
Chaeteessites minutissimus(EXTINCT) (Upper Cretacous amber, Kheta Formation, Siberia)
Chaetognatha(arrow worms) (incertae sedis)
Chaetonotidae(non-monophyletic)
Chalcionellus(~25 species)
Chalepocarabus elongatus(EXTINCT) (incertae sedis)
Chalicotheriidae(EXTINCT)
Chamaepetes(Sickle-winged Guan and Black Guan)
Chamaepetes(Sickle-winged Guan and Black Guan)
C-goudotii(Sickle-winged Guan)
C-unicolor(Black Guan)
Chanoides(EXTINCT) (incertae sedis)
Chanoselytron(EXTINCT)
Characidae(non-monophyletic)
Characiformes(Tetras, piranhas, hatchetfishes, headstanders, pencilfishes, and their relatives)
Charadriidae(plovers)
Charadriiformes(shorebirds and relatives)
Charilaidae(= Pamphagodidae)
Charisea
C-saxicolaTorrey 1902
Charisella
C-elongataCarlgren 1949
Charitoceros(EXTINCT)
Charonoscapha(EXTINCT)
Charonoscaphidia(EXTINCT)
Charonoscaphinae(EXTINCT)
Chauliodinae(fishflies)
Chauna chavaria(Northern Screamer)
Chauna torquata(Southern Screamer)
Chaunacidae(Coffinfishes, seatoads)
Cheimas(incertae sedis)
Cheirogaleidae(dwarf lemurs and mouse lemurs)
Cheirolepidiformes(EXTINCT)
Chelicerca(non-monophyletic)
Chelictinia(incertae sedis)
Chelomophrynus(EXTINCT)
Chelotriton(EXTINCT)0(incertae sedis)
Chelyoxenus(1 species)
Chen(Snow Goose and relatives)
Chen(Snow Goose and relatives)
C-caerulescens(Snow Goose)
C-canagica(Emperor Goose)
C-rossii(Ross's Goose)
Chenonetta jubata(Maned Duck)
Chilodontidae(EXTINCT)
Chilomys(incertae sedis)
Chilopoda(centipedes)
Chimaeromyrma brachycephala(EXTINCT)
Chinianasteridae(EXTINCT)
Chiniquodontidae(EXTINCT)
Chionididae(sheathbill)
Chiroptera(bats)
ChiroteuthidaeGray, 1849
ChiroteuthisOrbigny, 1841
ChiroteuthisOrbigny, 1841
C-calyxYoung, 1972
C-joubiniVoss, 1967
C-mega(Joubin, 1932)
C-pictetiJoubin, 1894
C-spoeliSalcedo-Vargas, 1996
C-veranyi(Ferussac, 1835)
Chitonactis expansaHaddon 1886
Chitonactis marioniHaddon 1889
Chitonactis richardiMarion 1882
Chitonanthus castaneaMc Murrich [sic] 1904
Chitonanthus incubansGravier 1918
Chivaenius(1 species)
Chlamydiae(obligate intracellular parasites of eukaryotic cells)
Chlamydonia
C-angulataCaterino 2006
C-coutumeCaterino 2006
C-densaCaterino 2006
C-dzumacensisCaterino 2006
C-erectipilosaCaterino 2006
C-eucurtiopsoidesCaterino 2006
C-fauveliCaterino 2006
C-foveataCaterino 2006
C-gomyiCaterino 2006
C-inflataCaterino 2006
C-punctinotaCaterino 2006
C-sinuataCaterino 2006
C-solCaterino 2006
C-stellataCaterino 2006
C-terapoidesCaterino 2006
C-tjibaouiCaterino 2006
C-volansCaterino 2006
C-wenzeliCaterino 2006
Chlamydopsinae(incertae sedis)
Chlamydopsis(non-monophyletic)
Chlamydopsis(non-monophyletic)
C-baloghi(incertae sedis)
C-caledoniae(incertae sedis)
Chlamydotis(Houbara Bustard and Macqueen's Bustard)
Chlamydotis(Houbara Bustard and Macqueen's Bustard)
C-macqueenii(Macqueen's Bustard)
C-undulata(Houbara Bustard)
Chleuastochoerus(EXTINCT)
Chloephaga(Andean Goose and relatives)
Chloephaga(Andean Goose and relatives)
C-hybrida(Kelp Goose)
C-melanoptera(Andean Goose)
C-picta(Upland Goose)
C-poliocephala(Ashy-headed Goose)
C-rubidiceps(Ruddy-headed Goose)
Chlorarachniophytes(amoeboid organisms with symbiotic algal plastids)
Chlorobi(green sulfur bacteria)
Chloroflexi(green nonsulfur bacteria)
Choanoflagellates(collared-flagellates)
Choeropotamidae(EXTINCT)
Choeropotamus(EXTINCT)
Choeropsis liberiensis(Hexaprotodon liberiensis, Liberian pygmy hippopotamus)
Cholevinae(including former Catopidae, Leptodiridae)
Cholomys(EXTINCT)
Chondrichthyes(sharks, rays, sawfish, and chimeras)
Chondrodactis coccineaStephenson 1918
Chondrodactis crassaWasilieff [sic] 1908
Chondrodactis japonicaWasilieff [sic] 1908
Chondrodactis magnaWasilieff [sic] 1908
Chondrodactis pulchraStephenson 1918
Chondrophellia
C-africanaCarlgren 1928
Chondrostei(sturgeons, paddlefish, many Paleozoic and Mesozoic fossils)
Chondrostei(sturgeons, paddlefish, many Paleozoic and Mesozoic fossils)
C-dae(EXTINCT)
Choneteuthis tongaensisLu and Boucher-Rodoni 2006(incertae sedis)
Chordata(vertebrates and relatives)
Chordeiles(Least Nighthawk and relatives)
Chordeiles(Least Nighthawk and relatives)
C-acutipennis(Lesser Nighthawk)
C-gundlachii(Antillean Nighthawk)
C-minor(Common Nighthawk)
C-pusillus(Least Nighthawk)
C-rupestris(Sand-colored Nighthawk)
Choreutidae(metalmark moths)
Choriactis
C-subantarcticaPax 1922
Choristodera(EXTINCT)
Chromadorida(non-monophyletic)
Chrysiogenetes(a chemolithoautotrophic bacterium)
Chrysochloridae(golden moles) (incertae sedis)
Chrysolophus(Golden Pheasant and Lady Amherst's Pheasant)
Chrysolophus(Golden Pheasant and Lady Amherst's Pheasant)
C-amherstiae(Lady Amherst's Pheasant)
C-pictus(Golden Pheasant)
Chrysomelidae(leaf beetles)
Chrysomeloidea(leaf beetles, longhorn beetles, etc.)
Chrysopidae0(incertae sedis)
Chrysotriton tiheni(EXTINCT)0(incertae sedis)
ChtenopterygidaeGrimpe 1922
Chunga burmeisteri(Black-legged Seriema)
Chytridiomycota(zoosporic fungi)
Cicadellidae(leafhoppers)
Cicadidae(cicadas)
Cicadoidea(cicadas, tettigarctid cicadas)
Cicindelitae(tiger beetles)
Ciconiidae(storks)
Ciconiiformes(storks, herons, ibises, pelicans, etc.) (monophyly uncertain)
Ciidae(minute tree-fungus beetles)
Cimicidae(bed bugs, bat bugs, bird bugs)
Cimicomorpha(assassin bugs, plant bugs, lace bugs, minute pirate bugs, bed bugs)
Cinclidae(dippers)
Cingulata(armadillos)
Cionocoleus(EXTINCT)
Circaetus(non-monophyletic)
Cirolanidae(F.)
CirrataGrimpe, 1916
Cirripedia(barnacles)
CirroctopusNaef, 1923
CirroctopusNaef, 1923
C-antarctica(Kubodera & Okutani, 1986)
C-glacialis(Robson, 1930) (Robson, 1930)
C-hochbergiO'Shea, 1999
C-mawsoni(Berry, 1917)
CirroteuthidaeKeferstein 1866
CirroteuthisEschricht, 1836
CirrothaumaChun 1911
CirrothaumaChun 1911
C-magna(Hoyle, 1885)
C-murrayiChun, 1911
Cisticolidae(cisticolas)
CistopusGray, 1849
Cladactella
C-obscuraVerrill 1928
Cladactis costaePanceri 1868
Cladactis grandisVerrill 1869
Cladida(EXTINCT) (non-monophyletic)
Cladistia(Polypteriformes, Polypteridae, bichirs, reedfishes)
Cladocera(water fleas)
Cladochoristidae(EXTINCT)
Cladocyclidae(EXTINCT)
Cladoxylopsida(EXTINCT)
Cladrastis(non-monophyletic)
Clambidae(minute beetles)
Clangula hyemalis(Long-tailed Duck)
Claraeosphaera suranganiensis(incertae sedis)
Clathrocupes anthrilegnotus(EXTINCT) (incertae sedis)
Claudiosaurus(EXTINCT)
Clausognathia(incertae sedis)
Clavismilia(EXTINCT) (incertae sedis)
Cleffia(EXTINCT)
Cleithrolepidae(EXTINCT)
Cleridae(checkered beetles)
Cletocleistogastrinae(EXTINCT)
Climacoceras(EXTINCT)
Climacoceratidae(EXTINCT)
Climacteridae(Australian treecreepers)
Clinomerus laticellus(EXTINCT) (incertae sedis)
Clitellata(Oligochaeta) (incertae sedis)
Clivinopsis(incertae sedis)
Clubionidae(sac spiders)
Clupeomorphaherrings, shad, sardines, anchovies
Clusiaceae(monophyly uncertain)
Clypicterus oseryi(Casqued Oropendola)
Cnemophilinae(cnemophiline "birds of paradise")
Cnidanthus
C-polarisClubb 1908
Cnidaria(jellyfish, sea anemones, corals, hydra, etc.)
Coccidae(soft scales, wax scales, tortoise scales)
Coccinellidae(lady beetles)
Coccoidea(coccids, scales, mealybugs)
Cochleosauridae(EXTINCT)
Coelosporidium(parasitic flagellates)
Coelurosauravus(EXTINCT)
Coelurosauria(tyrannosaurs, Oviraptor, Velociraptor, birds, and relatives)
ColeoideaBather, 1888(octopods, squids, cuttlefishes and their relatives)
Coleophoridae(casebearer moths) (monophyly uncertain)
Coleoptera(beetles)
Coliates(EXTINCT)
Coliiformes(Mousebirds, Colies)
Colinus(Bobwhites)
Colinus(Bobwhites)
C-cristatus(Crested Bobwhite)
C-leucopogon(Spot-bellied Bobwhite)
C-nigrogularis(Yucatan Bobwhite)
C-virginianus(Northern Bobwhite)
Collembola(springtails)
Colletinae(plasterer bees) (non-monophyletic)
Collobus(non-monophyletic)
Collodictyon(genus of heterotrophic flagellates)
Colluricincla(shrike-thrush)
Colobodontidae(EXTINCT)
Colosteidae(EXTINCT)
Colpodella(incertae sedis)
Columbidae(pigeons)
Columbiformes(doves and pigeons)
Colymbothetidae(EXTINCT)0(incertae sedis)
Comactis flagelliferaHertwig 1882
Combretaceae(white mangrove family)
Commentryidae(EXTINCT)
Compasteridae(EXTINCT)
Compsognathidae(EXTINCT)
Compsoneura(EXTINCT) (incertae sedis)
Compsopogonales*
Concentricycloidea(incertae sedis)
Conchaspididae(false armored scales)
Condylactis Gelam[sic] Haddon and Shackleton 1893
Condylactis asperaHaddon and Shackleton 1893
Condylactis hertwigiWasilieff [sic] 1908
Condylactis hertwigiWasilieff [sic] 1908
C-natalensisCarlgren 1938
C-parvicornisKwietniewski 1898
Condylanthus
C-aucklandicusCarlgren 1924
C-magellanicusCarlgren 1899
Condylarthra(EXTINCT)
Condylodon audouini(incertae sedis)
Confuciusornithidae(EXTINCT)
Conicosmilotrochus(EXTINCT)
Coniopterygidae0(incertae sedis)
Connochaetes gnou(black wildebeest)
Connochaetes taurinus(blue wildebeest)
Conocephalinae(Cone-headed, spiny-headed and meadow katydids)
Conohyus(EXTINCT)
Conopophagidae(gnateaters)
Conorhynchos(incertae sedis)
Conosmilia(EXTINCT)
Contipus(~17 species)
Conulata(EXTINCT)
Convolvulaceae(morning glory family)
Cooloolidae(cooloola monsters)
Copromorphidae(Tropical fruitworm moths)
Copromorphoidea(fruitworm moths)
Copromyxids(slime-mould like protists)
Coptoclava(EXTINCT)
Coptoclavidae(EXTINCT)0(incertae sedis)
Coptosternus(1 species)
Coraciidae(rollers)
Coraciiformes(kingfishers and relatives) (monophyly uncertain)
Corallanidae(F.)
Corallimorpharia(monophyly uncertain)
Corcorax(white-winged chough)
Cordaitopsida(EXTINCT)
Corderopedaliodes(incertae sedis)
Cordicephalus(EXTINCT)
Cordobanini(incertae sedis)
Coreidae(leaf-footed bugs, squash bugs)
Coreoidea(broad-headed bugs, leaf-footed bugs, scentless plant bugs) (monophyly uncertain)
Corinnidae(ant-mimic spiders)
Corixidae(water boatmen)
Cornus(dogwoods)
Corvidae(crows and jays)
Corydalinae(dobsonflies)
Corydaloides(EXTINCT)
Corydalus
C-amazonas(incertae sedis)
Corylophidae(minute hooded beetles)
Corynactis heteroceraThompson 1853
Corynexochida(EXTINCT)
Corystosiren(EXTINCT)
Corystospermaceae(EXTINCT)
Coscoroba coscoroba(Coscoroba Swan)
Cosmopterigidae(cosmet moths)
Cosoryx(EXTINCT)
Cossoidea(carpenterworm moths)
Cothoniida(EXTINCT)
Cotinginae(cotingas)
Coturnicops(Swinhoe's Rail and relatives)
Coturnicops(Swinhoe's Rail and relatives)
C-exquisitus(Swinhoe's Rail)
C-notatus(Speckled Crake)
C-noveboracensis(Yellow Rail)
Coturnix(Common Quail and relatives)
Coturnix(Common Quail and relatives)
C-adansonii(Blue Quail)
C-chinensis(King Quail)
C-coromandelica(Rain Quail)
C-coturnix(Common Quail)
C-delegorguei(Harlequin Quail)
C-japonica(Japanese Quail)
C-pectoralis(Stubble Quail)
C-ypsilophora(Brown Quail)
Cracidae(Guans, Currasows, Chachalacas)
Cracticidae(butcherbirds)
Cradactis digitataMc Murrich [sic] 1893
Cradactis excelsaWasilieff [sic] 1908
Cradactis magnaStuckey 1909
Cradactis striataWasilieff [sic] 1908
CranchiaLeach 1817
CranchiidaeProsch, 1847
CranchiinaePfeffer 1912
Craniata(hagfishes and vertebrates)
Craseonycteridae(Bumblebee Bat)
Craspedochaeta
C-biseta group(non-monophyletic)
C-boettcheri(incertae sedis)
Crasselytron(EXTINCT) (incertae sedis)
Crassigyrinus(EXTINCT)
Cratenemertidae(monophyly uncertain)
Crax(Great Curassow and relatives)
Crax(Great Curassow and relatives)
C-alberti(Blue-knobbed Curassow)
C-alector(Black Curassow)
C-blumenbachii(Red-knobbed Curassow)
C-daubentoni(Yellow-knobbed Curassow)
C-fasciolata(Bare-faced Curassow)
C-globulosa(Wattled Curassow)
C-rubra(Great Curassow)
Crenatosiren(EXTINCT)
Creniphilites(EXTINCT) (incertae sedis)
Creodonta(EXTINCT)
Creotarsidae(EXTINCT)
Cretatermes carpenteri(EXTINCT) (Upper Cretaceous of Labrador, Canada)
Cretatriacanthidae(EXTINCT)
Cretevania(EXTINCT)
Cretohelophorus(EXTINCT) (incertae sedis)
Cretomantis larvalis(EXTINCT) (Lower Cretaceous, Zaza Formation, Siberia)
Cretomyrma(EXTINCT)
Cretomyrma(EXTINCT)
C-arnoldii(EXTINCT)
C-unicornis(EXTINCT)
Cretophotina(EXTINCT)
Cretophotina(EXTINCT)
C-mongolica(EXTINCT) (Lower Cretaceous, Undurukha Formation, Mongolia)
C-selenginensis(EXTINCT) (Cretaceous of Mongolia)
C-serotina(EXTINCT) (Mid-Cretaceous, Kzyl-Orda, Kazakhstan)
C-tristriata(EXTINCT) (Lower Cretaceous, Zaza Formation, Siberia)
Cretoquedius(EXTINCT)
Cretosperchus(EXTINCT) (incertae sedis)
Cretostylops engeli(EXTINCT) (Burmese amber) (incertae sedis)
Crex(African Crake and relatives)
Crex(African Crake and relatives)
C-crex(Corn Crake)
C-egregia(African Crake)
Cribrina altifossaLager 1911
Cribrina conicaMc Murrich [sic] 1904
Cribrina elongataMc Murrich [sic] 1904
Cribrina spetsbergensisCarlgren 1921
Cribrina verruculataLager 1911
Cribrinopsis
C-similisCarlgren 1921
C-williamsiCarlgren 1940
Cricetinae(hamsters)
Cricetomyinae(pouched rats and mice)
Crinoidea(sea lilies and feather stars)
Criotherium(EXTINCT)
Crocodylomorpha(crocodiles and their extinct relatives)
Croizetoceros(EXTINCT)
Crossandra
C-greenstockiiS. Moore
C-horridaVollesen
C-infundibuliformis(L.) Nees
C-longipesS. Moore
C-pungensLindau
C-strobilifera(Lam.) Benoist
Crossoptilon(White Eared Pheasant and relatives)
Crossoptilon(White Eared Pheasant and relatives)
C-auritum(Blue Eared Pheasant)
C-crossoptilon(White Eared Pheasant)
C-harmani(Tibetan Eared Pheasant)
C-mantchuricum(Brown Eared Pheasant)
Crustacea(crabs, lobsters, shrimp, isopods, water fleas, barnacles, etc.) (monophyly uncertain)
Cryothecomonas(genus of heterotrophic flagellates)
Cryptobranchus guildayi(EXTINCT)0(incertae sedis)
Cryptobranchus saskatchewanensi(EXTINCT)0(incertae sedis)
Cryptocercus(brown-hooded cockroach and relatives)
Cryptocercus(brown-hooded cockroach and relatives)
C-clevelandi(Northwestern US)
C-darwini(Eastern US)
C-garciai(Eastern US)
C-kyebangensis(South Korea)
C-matilei(Southern China)
C-primarius(Southern China)
C-punctulatus(Eastern US)
C-relictus(Eastern Russia)
C-wrighti(Eastern US)
Cryptochlora perforans0(incertae sedis)
Cryptochloris wintoni(De Winton's golden mole)
Cryptochloris zyli(Van Zyl's golden mole)
Cryptocupes(EXTINCT)
Cryptocyathus(EXTINCT)
Cryptodendrum
C-adhaesivumKlunzinger 1877
Cryptodiodon(EXTINCT)
Cryptomonads(several genera of algal and heterotrophic flagellates)
Cryptonotopsisini(incertae sedis)
Cryptoperla(incertae sedis)
Cryptophagidae(silken fungus beetles)
Crypturellus(Pale-browed Tinamou and relatives)
Crypturellus(Pale-browed Tinamou and relatives)
C-atrocapillus(Black-capped Tinamou)
C-bartletti(Bartlett's Tinamou)
C-berlepschi(Berlepsch's Tinamou)
C-boucardi(Slaty-breasted Tinamou)
C-brevirostris(Rusty Tinamou)
C-casiquiare(Barred Tinamou)
C-cinereus(Cinereous Tinamou)
C-cinnamomeus(Thicket Tinamou)
C-duidae(Grey-legged Tinamou)
C-erythropus(Red-legged Tinamou)
C-kerriae(Choco Tinamou)
C-noctivagus(Yellow-legged Tinamou)
C-obsoletus(Brown Tinamou)
C-parvirostris(Small-billed Tinamou)
C-ptaritepui(Tepui Tinamou)
C-soui(Little Tinamou)
C-strigulosus(Brazilian Tinamou)
C-tataupa(Tataupa Tinamou)
C-transfasciatus(Pale-browed Tinamou)
C-undulatus(Undulated Tinamou)
C-variegatus(Variegated Tinamou)
Csakvarotherium(EXTINCT)
Ctenidae(wandering spiders)
Ctenistodes(EXTINCT)
Ctenizidae(trapdoor spiders)
Ctenobethylus succinalis(EXTINCT) (incertae sedis)
Ctenodactylidae(gundis)
Ctenophora(comb-jellies)
Cucujidae(flat bark beetles)
Cucujiformia(weevils, darkling beetles, leaf beetles, longhorn beetles, etc.)
Cucujoidea(flat bark beetles, lady beetles, etc.)
Cuculiformes(Cuckoos)
Cucurbitaceae(cucurbit family)
Cuisitherium(EXTINCT)
Cuneocharis(EXTINCT)
Cupedites minutissimus(EXTINCT) (incertae sedis)
Cupesia(EXTINCT)
Cupidium abavum(EXTINCT) (incertae sedis)
Cupressaceae(s.l.)
Curaeus
C-curaeus(Austral Blackbird)
C-forbesi(Forbes's Blackbird)
Curculionidae(weevils, snout beetles)
Curculionoidea(weevils, etc.)
Cutleria(EXTINCT)
Cuyamacamelus(EXTINCT)
Cyamocephalus(EXTINCT)
Cyanobacteria(oxygenic photosynthetic bacteria and chloroplasts)
Cyanochen cyanoptera(Blue-winged Goose)
Cyanolimnas cerverai(Zapata Rail)
Cyathaspidida(EXTINCT)
Cyclestheria hislopi(clam shrimp)
Cycliophora(incertae sedis)
Cyclocelis(EXTINCT)
Cyclolitidae(EXTINCT)
Cyclosquamataaulopids, lizardfishes
CycloteuthidaeNaef, 1923
CycloteuthisJoubin, 1919
Cyclotornidae(Australian parasite moths)
Cydippida(non-monophyletic)
Cydnidae(burrower bugs)
Cygnus(Mute Swan, Trumpeter Swan, and relatives)
Cygnus(Mute Swan, Trumpeter Swan, and relatives)
C-atratus(Black Swan)
C-buccinator(Trumpeter Swan)
C-columbianus(Tundra Swan)
C-cygnus(Whooper Swan)
C-melanocoryphus(Black-necked Swan)
C-olor(Mute Swan)
Cymbactis actinostoloidesWasilieff [sic] 1908
Cymbactis erythrocephalaPax 1922
Cymbactis faeculentaMc Murrich [sic] 1893
Cymbactis gosseiStephenson 1918
Cymbactis maximaWasilieff [sic] 1907
Cymbactis selaginellaStephenson 1918
Cymbalizon(EXTINCT)
Cymothoidae(F.)
Cynognathidae(EXTINCT)
Cynomorium0(incertae sedis)
Cynomys(prairie-dogs)
Cynorca(EXTINCT)
Cypraeoidea(cowries)
Cyprinodontiformes(livebearers, killifishes, and relatives)
Cyrtolaus(incertae sedis)
Cyrtonyx(Montezuma Quail and Ocellated Quail)
Cyrtonyx(Montezuma Quail and Ocellated Quail)
C-montezumae(Montezuma Quail)
C-ocellatus(Ocellated Quail)
Cystiactis reynaudiMilne-Edwards 1857
Cytinaceae0(incertae sedis)
Cytocupes angustus(EXTINCT)
Cytocupoides elongatus(EXTINCT)
Czekanowskiaceae(EXTINCT)
DNA-RNA Reverse Transcribing Viruses(monophyly uncertain)
Dacrytherium(EXTINCT)
Dactylochirotida(plated sea cucumbers, in part)
Dactylopiidae(cochineal insects)
Dactylopteriformes(flying gurnards)
Dactylortyx thoracicus(Singing Quail)
Dalceridae(Tropical slug caterpillar moths)
Dalpiazinidae(EXTINCT)
Dama(fallow deer)
Dama(fallow deer)
D-dama(European fallow deer)
D-mesopotamica(Persian fallow deer)
Damalacra(EXTINCT)
Damalavus(EXTINCT)
Damaliscus hunteri(hirola)
Damaliscus lunatus(topi)
Damaliscus pygargus(bontebok)
Damalops(EXTINCT)
Danaus
D-chrysippus(The African Queen) (monophyly uncertain)
D-eresimus(The Soldier)
D-genutia(The Striped Tiger)
D-gilippus(The Queen)
D-plexippus(The Monarch Butterfly)
Dangond dangondi(incertae sedis)
Dankomys(EXTINCT) (incertae sedis)
Dantiscanus(EXTINCT)
Daphoenositta(sittellas)
Daptrius ater(black caracara)
Dascillidae(soft-bodied plant beetles)
Dasmia(EXTINCT)
Dasmiopsis(EXTINCT)
Daspletosaurus torosus(EXTINCT)
Dasyleptus brongniarti(EXTINCT)
Dasyleptus lucasi(EXTINCT)
Dasyleptus noli(EXTINCT)
Dasymys(incertae sedis)
Dasyornis(bristlebirds)
Dasyuromorphia(Australasian carnivorous marsupials)
Daubentonia madagascariensis(aye-aye)
Daubentonia robusta(EXTINCT)
Davidina(incertae sedis)
Dayia(monophyly uncertain)
Decaphellia
D-psammomitraBourne 1918
Decapoda(crabs, crayfishes, lobsters, prawns, shrimp)
DecapodiformesLeach, 1817(squids, cuttlefishes and their relatives)
Decennatherium(EXTINCT)
Deferribacteres(a group of aquatic, anaerobic bacteria)
Deilotherium(EXTINCT)
Deinococcus-Thermus(a group of extremophiles)
Deinopidae(ogre-faced or net-casting spiders)
Deinopsis
D-apicicornis0(incertae sedis)
D-franki0(incertae sedis)
D-stephani0(incertae sedis)
Deinotheriidae(EXTINCT)
Delahomeryx(EXTINCT)
Delitschiaceae(monophyly uncertain)
Delitzschala bitterfeldensis(EXTINCT)
Delopterum(EXTINCT)
Delphinidae(true dolphins)
Delphinoidea(dolphins, porpoises, beluga, narhwal)
Dendragapus obscurus(Blue Grouse)
Dendrerpeton(EXTINCT)
Dendrochirotida(suspension-feeding sea cucumbers) (non-monophyletic)
Dendrocolaptidae(woodcreepers)
Dendrocyathus(EXTINCT)
Dendrocygna(Whistling Ducks)
Dendrocygna(Whistling Ducks)
D-arborea(West Indian Whistling Duck)
D-arcuata(Wandering Whistling Duck)
D-autumnalis(Black-bellied Whistling Duck)
D-bicolor(Fulvous Whistling Duck)
D-eytoni(Plumed Whistling Duck)
D-guttata(Spotted Whistling Duck)
D-javanica(Lesser Whistling Duck)
D-viduata(White-faced Whistling Duck)
Dendrogale(small smooth-tailed tree shrews)
Dendrohyrax(tree or bush hyraxes)
Dendromurinae(African climbing mice, gerbil mice, fat mice, and forest mice)
Dendroperdix sephaena(Crested Francolin)
Dendrortyx(Wood Partridges)
Dendrortyx(Wood Partridges)
D-barbatus(Bearded Wood Partridge)
D-leucophrys(Buffy-crowned Wood Partridge)
D-macroura(Long-tailed Wood Partridge)
Dendrosmilia(EXTINCT)
Dennstaedtiaceae(non-monophyletic)
Deomyinae(spiny mice, brush-furred mice and rats)
Deperetellidae(EXTINCT)
Dericorythinae(include Anamesacridinae Dirsh 1975)
Dermaptera(earwigs)
Dermapteron(EXTINCT)
Dermelytron(EXTINCT)
Dermestidae(skin beetles)
Dermoptera(colugos or flying lemurs)
Dermotherium(EXTINCT)
Desmognathus
D-fuscus 1(Vermont)
D-fuscus 2(North Carolina)
Desmostylia(EXTINCT)
Desmothoracids(several genera of heliozoon-like protists)
Desulfurobacterium(incertae sedis)
Deuterostomia(vertebrates, echinoderms, tunicates, etc.)
Deuterotyrus(EXTINCT)
Devonobius delta(EXTINCT)
Diadectomorpha(EXTINCT)
Diadumene cinctaStephenson 1925
Diadumene kameruniensisCarlgren 1927
Diadumene neozelandicaCarlgren 1924
Diapha(EXTINCT) (incertae sedis)
Diaphanoptera(EXTINCT)
Diaphanopterodea(EXTINCT)
Diaphanos(incertae sedis)
Diapsida(lizards, crocodiles, birds, Sphenodon, and their extinct relatives)
Diaspididae(armored scales)
Diathema(EXTINCT)
Diathemidia(EXTINCT)
Dibamidae(incertae sedis)
Diblasus(EXTINCT)
Dicaeidae(flowerpeckers)
Diceratiidae(Double-spine Seadevils)
Dichobunidae(EXTINCT) (non-monophyletic)
Dicrocerus(EXTINCT)
Dicruridae(drongos)
Dictyoglomi(thermophilic chemoorganotrophs)
Dictyoneura(EXTINCT)
Dictyoneuridae(EXTINCT)
Dictyoneurula(EXTINCT)
Dictyoptera(cockroaches, termites, mantids)
Dictyoptilus(EXTINCT)
Didelphimorphia(American opossums)
Diexodus(EXTINCT) (incertae sedis)
Digordius(non-monophyletic)
Dikerocoleus divisus(EXTINCT)
Dilleniaceae(incertae sedis)
Dimorphids(several genera of heliozoon-like flagellates)
Dimylidae(EXTINCT)
Dinocephalia(EXTINCT)
Dinornis(EXTINCT)
Dinornithidae(EXTINCT) (Moa)
Dinosauria(Dinosaurs and birds)
Diomediidae(albatrosses)
Dionycha(jumping spiders, crab spiders, etc.)
Dioplotherium(EXTINCT)
Diphylleia(genus of heterotrophic flagellates)
Diplactis bermudensisMc Murrich [sic] 1889
Diplartiopus(EXTINCT)
Diplhelia(EXTINCT)
Diplobune(EXTINCT)
Diplobunops(EXTINCT)
Diplodipelta(EXTINCT)
Diplopoda(millipedes)
Diplopoterina0(incertae sedis)
Dipodoidea(birch mice, jumping mice, jerboas)
Diprotodontia(kangaroos, wallabies, possums, koalas, gliders, wombats, etc.)
Dipsacaceae(teasel)
Dipsocoridae(jumping ground bugs)
Diptera(flies)
Discocelis(genus of heterotrophic flagellates)
Discosauriscus(EXTINCT)
Discosauriscus(EXTINCT)
D-austriacus(EXTINCT)
D-pulcherrimus(EXTINCT)
Discosoma ambonensisKwietniewski 1897
Discosoma macrodactylusHaddon and Shackleton 1893
Discosoma maluHaddon and Shackleton 1893
DiscoteuthisYoung and Roper, 1969
DiscoteuthisYoung and Roper, 1969
D-discusYoung and Roper 1969
D-laciniosaYoung and Roper 1969
Disparida(EXTINCT)
Dissorophidae(EXTINCT)
Dissorophoidea(EXTINCT)
Distemonanthus Apuleia, (monophyly uncertain)
Distichophylliina(EXTINCT)
Ditrysia(most moths and butterflies)
Diviniidae(EXTINCT)
Dlusskyidris zherichini(EXTINCT)
Dofleinia
D-armataWassilieff 1908
Doggeriopsis stonefieldiana(EXTINCT) (incertae sedis)
Dolichomyrma(EXTINCT)
Dolichomyrma(EXTINCT)
D-latipes(EXTINCT)
D-longiceps(EXTINCT)
Dolichonyx oryzivorus(Bobolink)
Dolichopteridae(EXTINCT)
Dolichosyne(EXTINCT)
Doliochoerinae(EXTINCT)
Doliochoerus(EXTINCT)
Donacobius(donacobius)
Dorcabune(EXTINCT) (incertae sedis)
Dorcadoryx(EXTINCT)
Dorcadoxa(EXTINCT)
Dorcatherium(EXTINCT)
Dorcatragus megalotis(beira)
Dorfopterus(EXTINCT) (incertae sedis)
Doritites bosniackii(EXTINCT) (incertae sedis)
Dorylomorpha
D-laeta(incertae sedis)
Dorylomorphs(army ants, etc.)
Dorylus(driver ants)
Dorypteridae(EXTINCT)
DoryteuthisNaef, 1912
Dothioraceae(monophyly uncertain)
Double-stranded DNA Viruses(non-monophyletic)
Double-stranded RNA Viruses(monophyly uncertain)
Dremotherium(EXTINCT)
Drepanidae(hooktip moths)
Drepanoidea(hooktip moths and Oriental swallowtail moths)
Drepanopteridae(EXTINCT)
Drimostomatina(=Caelostomina)
Drimys(winter's bark)
Dromaeosauridae(EXTINCT) (Velociraptor and relatives)
Dromaius novaehollandiae(Emu)
Dromistomus(incertae sedis)
Droseraceae(sundew family)
Drucina(incertae sedis)
Druphila(incertae sedis)
Dryolimnas cuvieri(White-throated Rail)
Dryopidae(long-toed water beetles)
Dryopteridaceae(non-monophyletic)
Dryoscopus(puffbacks)
Dubiotherium(EXTINCT)
Dugong dugon(dugong)
Dugongidae(dugongs)
Dulcedo(incertae sedis)
Dunbaria(EXTINCT)
Dungulia(EXTINCT)
Dusisiren(EXTINCT)
Dvinosauria(EXTINCT)
Dysactis crassicornisHertwig 1882
Dysactis pallidaVerrill 1864
Dysactis rhodorusMc Murrich [sic] 1904
Dyseohyus(EXTINCT)
Dyseotylopus(EXTINCT)
Dysoneuridae(EXTINCT) (incertae sedis)
Ebenaceae(ebony family) (non-monophyletic)
Ebertius0(incertae sedis)
Ebriids(several genera of heterotrophic flagellates)
Ecanus(monophyly uncertain)
Echinodermata(sea urchins, starfish, sea cucumbers, etc.)
Echinoidea(sea urchins and sand dollars)
EchinophthiriidaeSeal lice
Echinops telfairi(lesser hedgehog tenrec)
Echiura0(incertae sedis)
Ecitoninae(New World army ants)
Ectatommiphila
E-glabra(Lea)
E-opaca(Lea)
Edaphosauridae(EXTINCT)
Edentata(anteaters, sloths, armadillos)
Edmontonia(EXTINCT)
Edopidae(EXTINCT)
Edrioasteroidea(EXTINCT) (non-monophyletic)
Edwardioides vitreaDanielssen 1890
Edwardsia
E-12-tentaculataCarlgren 1931
E-Fischeri[sic] Chevreux and de Guerne [no date]
E-Sanctae Helenae[sic] Carlgren 1941
E-allmanniMc Intosh [sic] 1865
E-andresiDanielssen 1890
E-annamensisCarlgren 1943
E-arcticaCarlgren 1921
E-armataCarlgren 1931
E-beautempsiQuatrefages 1842
E-bockiCarlgren 1931
E-californicaMc Murrich [sic] 1913
E-callianthusRawlinson 1935
E-capensisCarlgren 1938
Edwardsia carneaGosse 1856
Edwardsia carneaGosse 1856
E-carneolaVerrill 1928
Edwardsia clavataStimpson 1855
Edwardsia collarisStimpson 1855
Edwardsia collarisStimpson 1855
E-costataDanielssen 1890
Edwardsia cretataStimpson 1855
Edwardsia cretataStimpson 1855
E-danicaCarlgren 1921
E-delapiiCarlgren and Stephenson 1928
Edwardsia duodecimcirrataSars 1851
Edwardsia duodecimcirrataSars 1851
E-elegansVerrill 1869
E-finmarchicaCarlgren 1921
E-fuscaDanielssen 1890
E-gilbertensisCarlgren 1931
E-goodsiriMc Intosh [sic] 1865
E-harasseiQuatrefages 1842
E-horstiip. p. Pax 1924
E-ignotaStuckey 1909
E-incertaCarlgren 1921
E-intermediaMc Murrich [sic] 1893
E-islandicaCarlgren 1921
E-janthinaAndres 1880
E-japonicaCarlgren 1931
E-kameruniensisCarlgren 1927
Edwardsia kerguelensisaStuder 1878
Edwardsia lineataVerrill 1874
Edwardsia lineataVerrill 1874
E-longicorais[sic] Carlgren 1921
Edwardsia lucifugaFischer 1888
Edwardsia lucifugaFischer 1888
E-mamillataBourne 1916
E-neozelanicaFarquahar [sic] 1898
E-norvegicaCarlgren 1942
E-octoradiataCarlgren 1931
E-pallidaCarlgren 1921
E-pudicaKlunzinger 1877
E-rekaiyaeBourne 1916
E-rugosaBourne 1916
Edwardsia sarsiiDueben and Koren 1847
Edwardsia sarsiiDueben and Koren 1847
E-sp.Mark 1884
E-stephensoniCarlgren 1949
E-tectaHaddon 1889
E-timidaQuatrefages 1842
E-tinctrixAnnandale 1915
E-tricolorStuckey 1908
E-tuberculataDueben and Koren 1847
E-vegaeCarlgren 1921
E-vermiformisBourne 1916
E-willeyanaBourne 1916
E-. maroccanaCarlgren 1931
Edwardsosmilia(EXTINCT)
Egatochoerus(EXTINCT)
EgeaJoubin, 1933
Elachistidae(grass miner moths) (monophyly uncertain)
Elaeocarpaceae(including Tremandraceae)
Elaeomyrmex(EXTINCT) (incertae sedis)
Elaeomyrmex(EXTINCT) (incertae sedis)
E-coloradensis(EXTINCT)
E-gracilis(EXTINCT)
Elaphodus cephalophus(tufted deer)
Elaphrodites(EXTINCT) (incertae sedis)
Elaphrodites(EXTINCT) (incertae sedis)
E-mutatus(EXTINCT)
E-scutulatus(EXTINCT)
Elaphrus
E-californicus(incertae sedis)
E-comatus(incertae sedis)
E-hypocrita(incertae sedis)
E-lapponicus(Elaphrus (Arctelaphrus))
E-ruscarius(incertae sedis)
Elaphurus davidianus(Père David's deer)
Elasipodida(deep-sea sea cucumbers)
Elassomatiformes(pygmy sunfishes)
Elateridae(click beetles)
Elateroidea(click beetles, soldier beetles, fireflies, etc.)
Electralbertidae(EXTINCT) (incertae sedis)
Electrobaculum gracilis(EXTINCT)Sharov(incertae sedis)
Electroclusiodes(EXTINCT)
Electroclusiodes(EXTINCT)
E-meuneri(Hendel) (EXTINCT)
E-radiospinosaHennig(EXTINCT)
Electroembia antiqua(EXTINCT) (Baltic amber) (incertae sedis)
Electrofoenus gracilipes(EXTINCT) (incertae sedis)
Electromantis sukatshevae(EXTINCT) (Upper Cretaceous amber, Kheta Formation, Siberia)
Electromyrmex klebsi(EXTINCT) (incertae sedis)
Electroponera dubia(EXTINCT) (incertae sedis)
Electroscydmaenus(EXTINCT)
Electrotermes affinis(EXTINCT) (Upper Eocene Baltic amber)
EledoneLeach, 1817
Elektraphididae(EXTINCT)
Eleothreptus anomalus(Sickle-winged Nightjar)
Elephantidae(elephants and mammoths)
Elephas maximus(Asian Elephant)
Elginerpeton(EXTINCT)
Ellobiopsids(several genera of parasitic flagellates)
Elmas
E-modesta(incertae sedis)
Elmidae(riffle beetles)
Elmoa(EXTINCT)
Elmoboria(EXTINCT)
Elmoboriidae(EXTINCT)
Elmodiapha(EXTINCT) (incertae sedis)
Eloactis australisCarlgren 1931
Elonichthyidae(EXTINCT)
Elopidaetenpounders, ladyfishes
Elopiformestarpon, ladyfishes
Elopomorphatarpon, tenpounders, bonefishes, true eels, sackpharynx fishes
Elytrathrix(EXTINCT)
Elytroneura(EXTINCT)
Emausaurus(EXTINCT)
Emberizidae(buntings)
Embia(non-monophyletic)
Embiidae(non-monophyletic)
Embiidina(web-spinners)
Embolomeri(EXTINCT)
Embonycha interrupta0(incertae sedis)
Embryophytes(land plants)
Embrythopoda(EXTINCT)
Emeus(EXTINCT)
Emplastus emeryi(EXTINCT) (incertae sedis)
Emplectonematidae(non-monophyletic)
Enantiornithes(EXTINCT)
Encalyptales(incertae sedis)
Endoceratoidea(EXTINCT)
Endomychidae(handsome fungus beetles)
Endopterygota(beetles, wasps, moths, flies, etc.)
Endromis versicolora(glory moth)
Engisoptera(EXTINCT)
Enicocephalidae(unique-headed bugs, gnat bugs)
Enneamerus reticulatus(EXTINCT) (incertae sedis)
Enoplida(non-monophyletic)
EnoploteuthidaePfeffer 1900
EnoploteuthisOrbigny in Rüppell 1844
Ensicupes guyanensis(EXTINCT) (incertae sedis)
Ensifera(Crickets, katydids and weta)
Entacmaea Forskalii[sic] H. and Ehr. Ehrenberg 1834
Entacmaea erythreaH. and E., Ehrenberg 1834
Entacmaea olivaceaH. and E. Ehrenberg 1834
Entamoebidae(several genera of amitochondriate and parasitic amoebae)
Entelegynae(most spiders: orb weavers, jumping spiders, etc.)
Entelodontidae(EXTINCT)
EnteroctopusRochebrune and Mabille, 1889
Entheus
E-crux(incertae sedis)
E-lemna(incertae sedis)
E-matho(incertae sedis)
Entoprocta(kamptozoans)
Entorrhizomycetes(incertae sedis)
Enveja bequaerti0(incertae sedis)
Eocapnia(incertae sedis)
Eocenidris crassa(EXTINCT) (incertae sedis)
Eocoileus(EXTINCT)
Eocoleus scaber(EXTINCT)
Eocupes(EXTINCT)
Eodelopterum(EXTINCT)
Eodendrogale parvum(EXTINCT)
Eoevania magnifica(EXTINCT) (incertae sedis)
Eoformica pinguis(EXTINCT) (incertae sedis)
Eogastropoda(true limpets & relatives)
Eognathacantha ercainella(EXTINCT) (Lower Cambrian) (incertae sedis)
EogonatusNesis, 1972
Eohiodon(EXTINCT)
Eohiodon(EXTINCT)
E-rosei(EXTINCT)
E-woodruffi(EXTINCT)
Eoichneumonidae(EXTINCT)
Eolinus(EXTINCT)
Eomanis(EXTINCT)
Eomoropidae(EXTINCT)
Eomyrmex guchengziensis(EXTINCT) (incertae sedis)
Eopachylopus(1 species)
Eopaussus baliticus(EXTINCT)
Eopelobates(EXTINCT)
Eophyllophyton bellum(EXTINCT)
Eoplatanistidae(EXTINCT) (incertae sedis)
Eoplectidae(EXTINCT)
Eoraptor(EXTINCT)
Eorhinophrynus(EXTINCT)
Eoserratosagitta serrata(EXTINCT) (Upper Mississippian) (incertae sedis)
Eospinidae(EXTINCT)
Eostyloceros(EXTINCT)
Eotapinoma(EXTINCT) (incertae sedis)
Eotapinoma(EXTINCT) (incertae sedis)
E-compacta(EXTINCT)
E-gracilis(EXTINCT)
E-macalpini(EXTINCT)
Eotermes grandeava(EXTINCT) (Upper Oligocene of Germany)
Eotheroides(EXTINCT)
Eothyrididae(EXTINCT)
Eotitanosuchia(EXTINCT)
Eovernevania cyrtocerca(EXTINCT) (incertae sedis)
Eoxenopoides(EXTINCT)
Epermeniidae(fringe-tufted moths)
Ephelcomenus(EXTINCT)
Ephemeroptera(mayflies)
Epiactis
E-adelianaCarlgren and Stephenson 1929
E-bruceiCarlgren 1939
E-crateriformisCarlgren and Stephenson 1929
E-georgianaCarlgren 1927
E-incertaCarlgren 1921
E-irregularisCarlgren 1949
E-lewisiCarlgren 1940
E-marsupialisCarlgren 1901
Epiactis mortenseniCarlgren 1924
Epiactis mortenseniCarlgren 1924
E-nordmanniCarlgren 1921
E-nova-zealandicaStephenson 1918
E-proliferaVerrill 1868
Epiactis ritteriTorrey 1902
Epiactis ritteriTorrey 1902
E-vincentinaCarlgren 1939
Epicopeiidae(Oriental swallowtail moths)
Epierus(~55 species)
Epieuryceros(EXTINCT)
Epiglyptus(1 species)
Epigonactis fecundaVerrill 1899
Epimorpha(monophyly uncertain)
Epiparactis
E-dubiaCarlgren 1921
Epiphellia
E-anneaeCarlgren 1949
E-australisCarlgren 1949
E-elongataCarlgren 1949
Epipyropidae(planthopper parasite moths)
Episcada(monophyly uncertain)
Epitethe(EXTINCT)
Epoicotheriidae(EXTINCT)
EpsilogasterWhitfield & Mason 1994
Equidae(horses, zebras, asses & extinct relatives)
Equisetopsida(horsetails, sphenophytes)
Eremitalpa granti(Grant's desert golden mole)
Eremosaprinus(~6 species)
Ericaceae(heath family)
Erieopteridae(EXTINCT)
Erinaceidae(gymnures and hedgehogs)
Eriococcidae(felt scales)
Eriocottidae(Old World spiny-winged moths)
Eriocraniidae(sparkling archaic sun moths)
Erionotini(monophyly uncertain)
Eriptychiida(EXTINCT) (incertae sedis)
Eriptychius americanus(EXTINCT)
Eriptychius orvigi(EXTINCT)
Ernstichthys
E-anduzeiFernádez-Yépez, 1953
E-intonsusStewart, 1985
E-megistusOrcés, 1961
Erotylidae(pleasing fungus beetles)
Erunakicupes(EXTINCT)
Erycinidia(incertae sedis)
Eryopidae(EXTINCT)
Erysipelotrichaceae(incertae sedis)
Erythrosuchia(EXTINCT)
Erythrotriorchis(incertae sedis)
Erythrozootes(EXTINCT)
Escheria(EXTINCT) (incertae sedis)
Eschrichtius robustus (grey whale)(gray whale)
Esociformespikes, pickerels, mudminnows
Estadiini(Dietta)
Euaesthetinae(non-monophyletic)
EuaxoctopusVoss, 1971
Eubacteria("True bacteria", mitochondria, and chloroplasts)
Eubalaena australis(Southern right whale)
Eubalaena glacialis(Northern right whale)
Eubleptus(EXTINCT) (Eubleptidae)
Eubrodia(EXTINCT)
Eucatopini(Eucatops)
Euceratherium(EXTINCT)
Euchordodes(non-monophyletic)
Euchoroptera(EXTINCT)
Eucinetidae(plate-thigh beetles)
Eucladoceros(EXTINCT)
Eucnemidae(false click beetles)
Euconodonta(EXTINCT) (incertae sedis)
Eucritta melanolimnetes(EXTINCT)
Eucurtiopsis
E-adebrattiDégallier & Caterino
E-brendelli(Caterino)
E-carinatus(Caterino)
E-chungiDégallier & Caterino
E-danielssoniDégallier & Caterino
E-elongatus(Caterino)
E-gomyiDégallier & Caterino
E-hammondi(Caterino)
E-hiranoiNishikawa
E-kanaariDégallier & Caterino
E-marinaeDégallier & Caterino
E-mazuriDégallier & Caterino
E-mirabilisSilvestri
E-ohtanii(Sawada)
E-reichenspergeriDégallier & Caterino
E-tishechkiniDégallier & Caterino
E-viennaiDégallier & Caterino
E-zeckiDégallier & Caterino
Eudiplister(~8 species)
Eudromia(Crested Tinamous)
Eudromia(Crested Tinamous)
E-elegans(Elegant Crested Tinamou)
E-formosa(Quebracho Crested Tinamou)
Eueides
E-emsleyi(incertae sedis)
E-libitina(incertae sedis)
Eugaleaspidiformes(EXTINCT)
Eugereon(EXTINCT)
Eugereonidae(EXTINCT)
Euglenozoa(flagellates, euglenids and kinetoplastids)
Euglossini(orchid bees)
Eugrammicus(2 species)
Eukaryotes(Protists, Plants, Fungi, Animals, etc.)
Eulabeornis castaneoventris(Chestnut Rail)
Eulamaops(EXTINCT)
Eulemur coronatus(crowned lemur)
Eulemur fulvus(brown lemur)
Eulemur macaco(black lemur )
Eulemur mongoz(mongoose lemur )
Eulemur rubriventer(red-bellied lemur)
Eulichadidae(forest stream beetles)
Eulipoa wallacei(Moluccan Megapode)
Eulithomyrmex(EXTINCT)
Eulithomyrmex(EXTINCT)
E-rugosus(EXTINCT)
E-striatus(EXTINCT)
Eumaiochoerus(EXTINCT)
Eumartynovia(EXTINCT)
Eumecoptera(EXTINCT) (incertae sedis)
Eumeryx(EXTINCT)
Euoplocephalus(EXTINCT)
Euparkeria(EXTINCT)
Euphasmida(stick & leaf insects)
Euphausiacea(krill & relatives)
Euphellia
E-cinclidiferaPax 1908
Euphorbiaceae(spurge family)
Euploea
E-conbuom(incertae sedis)
Eupodotis(White-bellied Bustard and relatives)
Eupodotis(White-bellied Bustard and relatives)
E-barrowii(Barrow's Korhaan)
E-caerulescens(Blue Korhaan)
E-humilis(Little Brown Bustard)
E-rueppellii(Rüppell's Korhaan)
E-senegalensis(White-bellied Bustard)
E-vigorsii(Karoo Korhaan)
Euproops(EXTINCT)
Euprox(EXTINCT)
EuprymnaSteenstrup, 1887
Eupsinoides(EXTINCT)
Eupterotidae(Giant lappet moths)
Eupterotinae(monophyly uncertain)
Euptychiina
E-incertae sedis(non-monophyletic) (incertae sedis)
Eupyrgidae0(incertae sedis)
Eurhinodelphidae(EXTINCT) (non-monophyletic) (incertae sedis)
Eurolistriodon(EXTINCT)
European clade(includes species of Gelidium)
Eurostopodus(Spotted Nightjar and relatives)
Eurostopodus(Spotted Nightjar and relatives)
E-archboldi(Cloud-forest Nightjar)
E-argus(Spotted Nightjar)
E-diabolicus(Satanic Nightjar)
E-macrotis(Great Eared Nightjar)
E-mystacalis(White-throated Nightjar)
E-papuensis(Papuan Nightjar)
E-temminckii(Malaysian Eared Nightjar)
Eurotamandua(EXTINCT)
Euryale ferox(prickly water lily, gorgon plant)
Euryapteryx(EXTINCT)
Eurydictyella(EXTINCT) (incertae sedis)
Eurydictyon(EXTINCT)
Eurylaimidae(broadbills) (non-monophyletic)
Eurylaimides(Old World suboscines)
Eurymyrmex geologicus(EXTINCT) (incertae sedis)
Eurypterida(EXTINCT) (sea scorpions)
Eurypterida(EXTINCT) (sea scorpions)
E-e(EXTINCT)
Eurypteroidea(EXTINCT)
Eurypyga helias(Sunbittern)
Eurythmopteryx(EXTINCT) (incertae sedis)
Euscaiotermes(incertae sedis)
Euspilotus(~90 species)
Eustegasta0(incertae sedis)
Euteticoleus radiatus(EXTINCT) (incertae sedis)
Euthaliopsis(incertae sedis)
Eutheria(placental mammals)
Euthygramma(EXTINCT)
Eutresis(incertae sedis)
Evanigaster petiolatusRasnitsyn 1972(EXTINCT)
Evaniidae(Ensign Wasps)
Evaniops rostratusRasnitsyn 1972(EXTINCT)
Evea0(incertae sedis)
Exaesiopus(~7 species)
Excavates(flagellates, diplomonads, jakobids, retortamonads, Trimastix, Carpedediemonas, heterolobosea, etc.)
Exedia(EXTINCT)
Exocoelactis valdiviaeCarlgren 1928
Exorhabdus(~11 species)
Exosternini(non-monophyletic)
Fabaceae(legume family)
Fabeae(monophyly uncertain)
Fagaceae(beech or oak family)
Faksephyllia(EXTINCT)
Falcipennis(Siberian Grouse and Spruce Grouse)
Falcipennis(Siberian Grouse and Spruce Grouse)
F-canadensis(Spruce Grouse)
F-falcipennis(Siberian Grouse)
Falco
F-alopex(fox kestrel)
F-amurensis(Amur falcon)
F-araea(Seychelles kestrel)
F-ardosiaceus(grey kestrel)
F-berigora(brown falcon)
F-biarmicus(lanner falcon)
F-cenchroides(Australian kestrel)
F-cherrug(saker falcon)
F-chicquera(red-necked falcon)
F-columbarius(merlin)
F-concolor(sooty falcon)
F-cuvieri(African hobby)
F-deiroleucus(orange-breasted falcon)
F-dickinsoni(Dickinson's kestrel)
F-eleonorae(Eleonora's falcon)
F-fasciinucha(taita falcon)
F-femoralis(Aplomado Falcon)
F-hypoleucos(grey falcon)
F-jugger(laggar falcon)
F-longipennis(Australian hobby)
F-mexicanus(prairie falcon)
F-moluccensis(spotted kestrel)
F-naumanni(lesser kestrel)
F-newtoni(Madagascan kestrel)
F-novaezeelandiae(New Zealand falcon)
F-pelegrinoides(barbary falcon)
F-peregrinus(peregrine falcon)
F-punctatus(Mauritius kestrel)
F-rufigularis(bat falcon)
F-rupicoloides(greater kestrel)
F-rusticolus(gyrfalcon)
F-severus(oriental hobby)
F-sparverius(American kestrel)
F-subbuteo(Eurasian falcon)
F-subniger(black falcon)
F-tinnunculus(common kestrel)
F-vespertinus(red-footed falcon)
F-zoniventris(banded kestrel)
Falconidae(falcons) (incertae sedis)
Falconiformes(diurnal birds of prey) (monophyly uncertain)
Falcunculus(shrike-tit)
Felidae(cats)
Fenhoryx(EXTINCT)
Feronista(monophyly uncertain)
Fibrobacteres(cellulose digesting, anaerobic rumen bacteria)
Filicopsida(ferns)
Firmicutes(low G+C Gram positives)
FiroloidaLesueur 1817
Flagellated strains(CCMP621, CCMP 242, CCMP 1239, CCMP 1258)
Flexibilia(EXTINCT)
Floridatragulinae(EXTINCT)
Floridatragulus(EXTINCT)
Flosmaris
F-phellioidesStephenson 1920
Fonticula(a genus of slime-mould-like protists)
Foriria(EXTINCT)
Formica(wood ants, etc.) (monophyly uncertain)
Formicariidae part 1(antpittas)
Formicariidae part 2(ant-thrushes)
Formicidae(ants)
Formicinae(weaver ants, carpenter ants, etc.)
Formicini(wood ants, etc.)
Formicium(EXTINCT)
Formicium(EXTINCT)
F-berryi(EXTINCT)
F-brodiei(EXTINCT)
F-giganteum(EXTINCT)
F-mirabile(EXTINCT)
F-simillimum(EXTINCT)
Fossil Caprinae(EXTINCT) (non-monophyletic)
Fossil Reduncinae(EXTINCT) (non-monophyletic)
Fouquea(EXTINCT)
Fouqueidae(EXTINCT)
Four-circlet crinoids(non-monophyletic)
Francolinus(Black Francolin and relatives)
Francolinus(Black Francolin and relatives)
F-francolinus(Black Francolin)
F-gularis(Swamp Francolin)
F-pictus(Painted Francolin)
F-pintadeanus(Chinese Francolin)
F-pondicerianus(Grey Francolin)
Franimorpha(EXTINCT)
Fregata andrewsi(Christmas Frigatebird)
Fregata aquila(Ascension Frigatebird)
Fregata ariel(Lesser Frigatebird)
Fregata magnificens(Magnificent Frigatebird)
Fregata minor(Great Frigatebird)
Fregatidae(frigate-birds)
Frescocyathus(EXTINCT)
Fringillidae(finches)
Fulgoromorpha(planthoppers)
Fulica(Red-knobbed Coot and relatives)
Fulica(Red-knobbed Coot and relatives)
F-alai(Hawaiian Coot)
F-americana(American Coot)
F-ardesiaca(Andean Coot)
F-armillata(Red-gartered Coot)
F-atra(Eurasian Coot)
F-caribaea(Caribbean Coot)
F-cornuta(Horned Coot)
F-cristata(Red-knobbed Coot)
F-gigantea(Giant Coot)
F-leucoptera(White-winged Coot)
F-rufifrons(Red-fronted Coot)
Funambulini(palm squirrels)
Funariales(incertae sedis)
Fungi(mushrooms, sac fungi, yeast, molds, rusts, smuts, etc.)
Funisciurina(striped squirrels and African bush squirrels)
Furipteridae(Thumbless Bats)
Furnarii(ovenbirds, antbirds, and relatives)
Furnarii(ovenbirds, antbirds, and relatives)
F-dae(ovenbirds) (non-monophyletic)
Fusobacteria(anaerobic heterotrophs, many involved in human infections)
Gadiformes(cods, hakes, and grenadiers)
Galacticidae0(incertae sedis)
Galagidae(galagos, bush babies)
Galbulidae(jacamars)
Galeaspida(EXTINCT)
GaleoctopusNorman, Boucher and Hochberg, 2004
Galesauridae(EXTINCT)
Galesphyrus(EXTINCT) (incertae sedis)
GaliteuthisJoubin, 1898
GaliteuthisJoubin, 1898
G-glacialis(Chun, 1906)
Gallicrex cinerea(Watercock)
Galliformes(Fowl, Quail, Guans, Currasows, Megapodes)
Gallinula(Makira Woodhen and relatives)
Gallinula(Makira Woodhen and relatives)
G-angulata(Lesser Moorhen)
G-chloropus(Common Moorhen)
G-melanops(Spot-flanked Gallinule)
G-mortierii(Tasmanian Nativehen)
G-nesiotis(Tristan Gallinule)
G-silvestris(Makira Woodhen)
G-tenebrosa(Dusky Moorhen)
G-ventralis(Black-tailed Nativehen)
Gallirallus(Weka and relatives)
Gallirallus(Weka and relatives)
G-australis(Weka)
G-calayanensis(Calayan Rail)
G-insignis(Pink-legged Rail)
G-lafresnayanus(New Caledonian Rail)
G-okinawae(Okinawa Rail)
G-owstoni(Guam Rail)
G-philippensis(Buff-banded Rail)
G-rovianae(Roviana Rail)
G-striatus(Slaty-breasted Rail)
G-sylvestris(Lord Howe Woodhen)
G-torquatus(Barred Rail)
Galloanserae(fowl, ducks, and relatives)
Gallogoral(EXTINCT)
Galloperdix(Red Spurfowl and relatives)
Galloperdix(Red Spurfowl and relatives)
G-bicalcarata(Sri Lanka Spurfowl)
G-lunulata(Painted Spurfowl)
G-spadicea(Red Spurfowl)
Gallus(Junglefowl, Chickens)
Gallus(Junglefowl, Chickens)
G-gallus(Red Junglefowl)
G-lafayetii(Sri Lanka Junglefowl)
G-sonneratii(Grey Junglefowl)
G-varius(Green Junglefowl)
Gampsonyx(incertae sedis)
Gangicobus(EXTINCT)
Gansucupes attenuatus(EXTINCT) (incertae sedis)
Gargoyleosaurus(EXTINCT)
Gasterosteoidei(sticklebacks and relatives)
Gastonia(EXTINCT)
Gastropoda(snails, slugs, limpets, nudibranchs)
Gastrotricha(incertae sedis)
Gaviiformes(Loons)
Gazella(gazelles) (monophyly uncertain)
Gazella(gazelles) (monophyly uncertain)
G-arabica(Arabian gazelle)
G-bennettii(Indian gazelle)
G-bilkis(Queen of Sheba's gazelle)
G-cuvieri(Cuvier's gazelle or mountain gazelle)
G-dama(dama gazelle)
G-dorcas(Dorcas gazelle)
G-gazella(Arabian gazelle or mountain gazelle)
G-granti(Grant's gazelle)
G-leptoceros(rhim gazelle or slender-horned gazelle)
G-rufifrons(red-fronted gazelle)
G-rufina(red gazelle)
G-saudiya(Saudi Arabian gazelle)
G-soemmerringii(Sömmerring's gazelle)
G-spekei(Speke's gazelle)
G-subgutturosa(goitered gazelle)
G-thomsonii(Thomson's gazelle)
Gazellospira(EXTINCT)
Gegenemene(EXTINCT) (incertae sedis)
Gehringiini(incertae sedis)
Gelastocoridae(toad bugs)
Gelechiidae(twirler moths) (monophyly uncertain)
Gelechioidea(twirler moths and relatives)
Gelidium coulteri clade(includes species of Gelidium)
Gelocidae(EXTINCT)
Gemmatimonadetes(Gram-negative bacteria lacking DAP in their cell envelopes)
Gentianaceae(gentian family)
Gentilicamelus(EXTINCT) (incertae sedis)
Geobiastes squamiger(Scaly Ground Roller)
Geogale aurita(large-eared tenrec)
Geolabididae(EXTINCT)
Geometridae(geometer moths)
Geometroidea(geometer moths and swallowtail moths)
Geomyoidea(pocket gophers, kangaroo rats, kangaroo mice, pocket mice)
Geomysaprinus(~33 species)
Geophilidae(monophyly uncertain)
Geopinus(incertae sedis)
Georgiomeryx(EXTINCT)
Gephyra brunneusPax 1909
Gephyra dohrniv. Koch 1878
Gephyrosaurus(EXTINCT)
Gephyrostegidae(EXTINCT)
Gephyrothuriidae0(incertae sedis)
Geraniaceae(geranium family, incl. Hypseocharitaceae)
Gerbillinae(gerbils, jirds, and sand rats)
Gerridae(water striders, pond skaters)
Gerromorpha(water striders, water measurers, velvet water bugs)
Gesneriaceae(gesneriad family)
Geyeriella mertensi(EXTINCT)0(incertae sedis)
Ghirobocyathus(EXTINCT)
Gigantactinidae(Whipnose Seadevils)
Gigantocamelus(EXTINCT)
Gigantohyrax(EXTINCT)
Gigantolina elongata(= Austramphilina elongata)
Gigasiricidae(EXTINCT)
Gigatitan(EXTINCT)
Gilisenium hueberi(EXTINCT) (incertae sedis)
Gilpichthys(EXTINCT) (incertae sedis)
Giraffa(giraffes)
Giraffa(giraffes)
G-camelopardalis(giraffe)
G-gracilis(EXTINCT)
G-jumae(EXTINCT)
G-priscilla(EXTINCT)
G-punjabiensis(EXTINCT)
G-pygmaea(EXTINCT)
G-sivalensis(EXTINCT)
G-stillei(EXTINCT)
Giraffoidea(giraffe, okapi, and their extinct relatives)
Giraffokeryx(EXTINCT)
Glabelytron(EXTINCT) (incertae sedis)
Glaphyromyrmex oligocenicus(EXTINCT)
Glareolidae(pratincoles)
Glaucidium(Pygmy Owls, Owlets)
Glaucidium(Pygmy Owls, Owlets)
G-bolivianum(Yungas Pygmy Owl)
G-brasilianum(Ferruginous Pygmy Owl)
G-brodiei(Collared Owlet)
G-californicum(Northern Pygmy Owl)
G-capense(African Barred Owlet)
G-castanonotum(Chestnut-backed Owlet)
G-castanopterum(Javan Owlet)
G-costaricanum(Costa Rican Pygmy Owl)
G-cuculoides(Asian Barred Owlet)
G-gnoma(Mountain Pygmy Owl)
G-griseiceps(Central American Pygmy Owl)
G-hardyi(Amazonian Pygmy Owl)
G-hoskinsii(Cape Pygmy Owl)
G-jardinii(Andean Pygmy Owl)
G-minutissimum(East Brazilian Pygmy Owl)
G-mooreorum(Pernambuco Pygmy Owl)
G-nana(Austral Pygmy Owl)
G-nubicola(Cloud-forest Pygmy Owl)
G-palmarum(Colima Pygmy Owl)
G-parkeri(Subtropical Pygmy Owl)
G-passerinum(Eurasian Pygmy Owl)
G-perlatum(Pearl-spotted Owlet)
G-peruanum(Pacific Pygmy Owl)
G-radiatum(Jungle Owlet)
G-sanchezi(Tamaulipas Pygmy Owl)
G-siju(Cuban Pygmy Owl)
G-sjostedti(Sjostedt's Barred Owlet)
G-tephronotum(Red-chested Owlet)
Glaucophytes(protists with photosynthetic endosymbionts)
Glennia(incertae sedis)
Gliatactis crassusGravier 1918
Gliridae(dormice and hazel mice)
Globulosina(monophyly uncertain)
Glomerexis(incertae sedis)
Glomerida(pill millipedes)
Glomeromycota(arbuscular mycorrhizal fungi and relatives)
Glossopteridaceae(EXTINCT)
Glossosomatidae(Spicipalpia)
Glyphipterigidae(sedge moths)
Glyphoperidium
G-bursaRoule 1909
Glyphostylum
G-calyxRoule 1909
Glyptopeltis(incertae sedis)
Gnaphosidae(ground spiders)
Gnathamitermes magnoculus(EXTINCT) (Lower Miocene of California, USA) (incertae sedis)
Gnathoncus(~23 species)
Gnathostomata(jawed vertebrates)
Gnathostomulida(jaw worms) (incertae sedis)
Gnathosyne akkolkensis(EXTINCT)
Gnorimopsar chopi(Chopi Blackbird)
Goannagnathia(incertae sedis)
Gobiocerus(EXTINCT)
Goldenbergia(EXTINCT)
Golfingia(non-monophyletic)
Gomphocerinae(includes Chrysochraontinae J & B)
Gomphomastacinae(incertae sedis)
Gomphotheriidae(EXTINCT)
GonatidaeHoyle, 1886
GonatopsisSasaki, 1920
GonatopsisSasaki, 1920
G-borealisSasaki, 1923
G-japonicusOkiyama 1969
G-makkoOkutani & Nemoto 1964
G-octopedatusSasaki, 1920
G-okutaniiNesis 1972(incertae sedis)
GonatusGray, 1849
GonatusGray, 1849
G-antarcticusLönnberg 1898
G-berryiNaef 1923
G-californiensisYoung 1972
G-fabricii(Lichtenstein 1818)
G-kamtschaticus(Middendorff 1849)
G-madokaiKubodera & Okutani 1977
G-middendorffiKubodera & Okutani 1981
G-onyxYoung 1972
G-oregonensisJefferts 1985
G-pyrosYoung 1972
G-steenstrupiKristensen 1981
G-ursabrunaeJefferts 1985
Gordius(non-monophyletic)
Gorgonopsia(EXTINCT)
Gorgopsina(EXTINCT)
Gorgosaurus libratus(EXTINCT)
Gracillarioidea(leafminer moths and relatives)
Grallina(mud-nest builders)
Grammositus(EXTINCT)
GraneledoneJoubin, 1918
Granuloreticulosa(amoebae, mostly Reticulomyxa and foraminifera)
Graomys
G-dorae(EXTINCT)
G-edithae(incertae sedis)
Graphiptilidae(EXTINCT)
Graphiptilus(EXTINCT)
Green plants(= Viridaeplantae: green algae (including prasinophytes), higher plants)
Gregarinasina(Gregarines)
Gregoria albocinctaHutton 1878
Greta(monophyly uncertain)
Greya(greya moths)
Greya(greya moths)
G-kononenkoi0(incertae sedis)
G-marginimaculata0(incertae sedis)
G-piperella(non-monophyletic)
G-solenobiella(non-monophyletic)
G-sparsipunctella0(incertae sedis)
Greys(EXTINCT)
GrimalditeuthisJoubin, 1898
Grimaldivania ackermani(EXTINCT)
GrimpellaRobson, 1928*
GrimpoteuthisRobson, 1932
GrimpoteuthisRobson, 1932
G-abyssicolaO'Shea, 1999
G-bathynectesVoss & Pearcy, 1990
G-boyleiCollins 2003
G-challengeriCollins 2003
G-discoveryiCollins 2003
G-hippocrepium(Hoyle, 1904)
G-innominata(O'Shea, 1999)
G-meangensis(Hoyle, 1985)
G-megaptera(Verrill, 1885)
G-pacifica(Hoyle, 1885)
G-plena(Verrill, 1885)
G-tuftsiVoss & Pearcy, 1990
G-umbellata(Fischer, 1883)
G-wuelkeriGrimpe, 1920
Grouvellina
G-hexadon0(incertae sedis)
Gruidae(Cranes)
Gruiformes(Cranes, Rails, and Coots) (monophyly uncertain)
Grus americana(Whooping Crane)
Grus antigone(Sarus Crane)
Grus canadensis(Sandhill Crane)
Grus carunculata(Wattled Crane)
Grus grus(Common Crane)
Grus japonensis(Red-crowned Crane)
Grus leucogeranus(Siberian Crane)
Grus monacha(Hooded Crane)
Grus nigricollis(Black-necked Crane)
Grus rubicunda(Brolga)
Grus vipio(White-naped Crane)
Gryllacrididae(leaf-rolling and raspy crickets)
Grylloblattodea(ice bugs, rock crawlers)
Guildayichthyiformes(EXTINCT)
Gurvanocoleus(EXTINCT)
Guttera plumifera(Plumed Guineafowl)
Guttera pucherani(Crested Guineafowl)
Gymnocrex(Blue-faced Rail and relatives)
Gymnocrex(Blue-faced Rail and relatives)
G-plumbeiventris(Bare-eyed Rail)
G-rosenbergii(Blue-faced Rail)
G-talaudensis(Talaud Rail)
Gymnoglaux lawrencii(Bare-legged Owl)
Gymnomystax mexicanus(Oriole Blackbird)
Gymnophiona(Caecilians)
Gymnophrea(several genera of amoebae)
GymnorhinaAustralian magpie
Gymnosphaerida(a type of heliozoon)
Gymnusa
G-miyashitai0(incertae sedis)
Gynopeltis0(incertae sedis)
Gyractis excavataBoveri 1893
Gyractis pallidaBoveri 1893
Gyrostoma
G-Haddoni[sic] Lager 1911
G-Sancti-Thomae[sic] Pax 1910
G-dubiaCarlgren 1900
G-dysancritumPax 1907
Gyrostoma glaucaAnnandale 1915
Gyrostoma glaucaAnnandale 1915
G-hertwigiKwietniewski 1897
G-incertumMc Murrich [sic] 1904
G-monodiCarlgren 1927
G-selkirkeiMc Murrich [sic] 1904
G-stuhlmanniCarlgren 1900
G-sulcatumLager 1911
G-tristisCarlgren 1900
G-tulearensePax 1909
Habroptila wallacii(Invisible Rail)
Habrosaurus dilatus(EXTINCT)0(incertae sedis)
Hadeocoleodes calus(EXTINCT)
Hadeocoleus(EXTINCT)
Hadropithecus stenognathus(EXTINCT)
Haematopodidae(oystercatchers)
Haematortyx sanguiniceps(Crimson-headed Partridge)
Haenschia(incertae sedis)
Haglidae(ambidextrous and hump-winged crickets)
Hagnometopias(EXTINCT)
Haidomyrmex cerberus(EXTINCT)
Halcampa Oustromovi[sic] Wyragewitch 1905
Halcampa Oustromovi[sic] Wyragewitch 1905
H-arcticaCarlgren 1893
H-capensisCarlgren 1938
Halcampa endromitataAndres 1880
Halcampa endromitataAndres 1880
H-octocirrataCarlgren 1927
Halcampa purpureaStuder 1878
Halcampa sulcataVerrill 1864
Halcampa sulcataVerrill 1864
H-vegaeCarlgren 1921
Halcampactis
H-dubiaStuckey 1909
H-mirabilisFarquhar 1898
Halcampaster
H-teresCarlgren 1938
Halcampella
H-maximaR. Hertwig 1888
Halcampella minutaStimpson 1856
Halcampella minutaStimpson 1856
H-robustaCarlgren 1931
Halcampogeton
H-papillosusCarlgren 1937
Halcampoides
H-abyssorumDanielssen 1890
Halcampoides asperaStephenson 1918
Halcurias
H-Carlgreni[sic] Mc Murrich [sic] 1901
H-capensisCarlgren 1928
H-endocoelactisStephenson 1918
H-minimusCarlgren 1928
H-pilatusMc Murrich [sic] 1893
Halecostomi(bowfins and teleosts)
Haliactis
H-arcticaCarlgren 1921
Haliaeetus(non-monophyletic)
Halianthella
H-annularisCarlgren 1938
Halianthus chilensisMc Murrich [sic] 1904
Halianthus limnicolaAnnandale 1915
Haliestes dasos(EXTINCT) (Silurian of England)
Haliplus(including Algophilus and Apteraliplus)
Halitherium(EXTINCT)
Hallebune(EXTINCT)
Halosauridaehalosaurs
Hamatores(Caecitellus and pseudodendromonads) (incertae sedis)
Hana(EXTINCT)
Hanhaicerus(EXTINCT)
Hansenocaris(y-larvae, Facetotecta)
Hanyangaspis(EXTINCT)
Hapalemur aureus(golden bamboo lemur)
Hapalemur griseus(gray gentle lemur)
Hapalemur simus(broad-nosed gentle lemur)
HapalochlaenaRobson, 1929
Hapalomantinae(non-monophyletic)
Haplaraeidae(EXTINCT)
Haplobunodon(EXTINCT) (non-monophyletic)
Haploembia(Oligotomidae)
Haplogynae(recluses, spitting spiders, filistatids, etc.)
Haplohelia(EXTINCT)
Haplophlebium(EXTINCT) (incertae sedis)
Haplosporids(parasitic sporozoa)
Happlodontus proterus(EXTINCT)
Hapsomelinae(EXTINCT)
Haptodus garnettensis(EXTINCT)
Haptophytes(algal flagellates)
Hardieopteridae(EXTINCT)
Hardistiella(EXTINCT)
Harenactis
H-attenuataTorrey 1902
Harpagus(incertae sedis)
Harsiesis(incertae sedis)
Hasala(EXTINCT)
Hassianycteris(EXTINCT)
Hastimima(EXTINCT) (incertae sedis)
Hayoceros(EXTINCT)
Haywardella(incertae sedis)
Hebeicoleus sertulatus(EXTINCT) (incertae sedis)
Hebridae(velvet water bugs)
Hedaia0(incertae sedis)
Hedylidae(American butterfly moths)
Helaletidae(EXTINCT)
Heleosaurus(EXTINCT) (incertae sedis)
Heleosuchus(EXTINCT) (incertae sedis)
Helianthasteridae(EXTINCT) (incertae sedis)
Helianthopsis mabruckiCarlgren 1900
Helianthopsis ritteriKwietniewski 1897
HelicocranchiaMassy, 1907Massy, 1907
Heliconiini(Passion-vine Butterflies)
Heliconius
H-astraea(incertae sedis)
H-lalitae(incertae sedis)
H-luciana(incertae sedis)
H-tristero(incertae sedis)
Helicoplacus(EXTINCT)
Heliodinidae(sun moths)
Heliolitida(EXTINCT)
Heliopais personatus(Masked Finfoot)
Heliornis fulica(Sungrebe)
Heliornithidae(Finfoots, Sungrebes)
Heliozelidae(shield bearer moths)
Helladotherium(EXTINCT)
Helohyidae(EXTINCT)
Helopides hildsiensis(EXTINCT) (incertae sedis)
Hemerobiidae0(incertae sedis)
Hemiacridinae(includes Leptacridinae Dirsh 1975)
Hemiauchenia(EXTINCT)
Hemicentetes semispinosus(streaked tenrec)
Hemichordata(acorn worms and pterobranchs)
Hemicyclaspis(EXTINCT)
Hemicyonidae(EXTINCT)
Hemiprocnidae(crested swifts)
Hemiptera(bugs, cicadas, whiteflies, aphids, etc.)
Hemipteroid Assemblage(bugs, thrips, lice)
Hemitragus(tahrs)
Hemitragus(tahrs)
H-hylocrius(Nilgiri tahr)
H-jayakari(Arabian tahr)
H-jemlahicus(Himalayan tahr)
Henicopernis(incertae sedis)
Heolus(EXTINCT) (incertae sedis)
Hepialidae(ghost moths)
Herpestidae(mongooses, meerkats, fossa)
Herpetotheres cachinnans(Laughing Falcon)
Herrerasauridae(EXTINCT)
Hesionides(incertae sedis)
Hesperelaea palmeri(EXTINCT)
Hesperhys(EXTINCT)
Hesperiidae(skippers)
Hesperocamelus(EXTINCT)
Hesperornithiformes(EXTINCT)
Hesperosiren(EXTINCT)
Hestinalis(incertae sedis)
Hetaeriinae(non-monophyletic)
Heteranthus
H-insignisCarlgren 1943
H-verruculatusKlunzinger 1877
Hetereuplectus(EXTINCT)
Hetereuthia(EXTINCT)
Heterobathmiidae(Valdivian archaic moths)
Heterobranchia(seaslugs, bubble shells, pulmonates etc.)
Heteroceridae(variegated mud-loving beetles)
Heterocorallia(EXTINCT) (incertae sedis)
Heterodactyla
H-Hemprichii[sic] Ehrenberg 1834
H-hypnoidesSaville Kent 1893
H-sp.Kwietniewski 1896
Heteroglaux blewitti(Forest Owlet)
Heterogynidae(Mediterranean burnet moths)
Heterohyrax(yellow-spotted hyraxes)
Heterolimulus gadeai(EXTINCT)
HeterololigoNatsukari, 1984
Heteronemertea(monophyly uncertain)
Heteronetta atricapilla(Black-headed Duck)
Heteroprox(EXTINCT)
Heteropsis
H-(African)(monophyly uncertain)
H-comorensis(incertae sedis)
Heteroptera(true bugs)
Heterostraci(EXTINCT)
Heterotardigrada(monophyly uncertain)
Heterotemna(incertae sedis)
HeteroteuthinaeAppellof, 1898
HeteroteuthisGray, 1849
Hetrodinae(Armored ground 'crickets')
Heuretus(EXTINCT)
Hexameryx(EXTINCT)
Hexapoda(insects, springtails, diplurans, and proturans)
Hexaprotodon(EXTINCT) (non-monophyletic)
Hexobelomeryx(EXTINCT)
Hidrosotherium(EXTINCT)
Hieraaetus(non-monophyletic)
Hierodula(monophyly uncertain)
Himantolophidae(Footballfishes)
Himantopteridae(long-tailed burnet moths)
Himantornis haematopus(Nkulengu Rail)
Hindeastraea(EXTINCT)
Hiodon
H-consteniorum(EXTINCT)
Hippocamelus(guemal)
Hippocamelus(guemal)
H-antisensis(Peruvian guemal)
H-bisulcus(Chilean guemal)
Hippocampus(seahorses and relatives)
Hippohyus(EXTINCT)
Hippopotamidae(hippos)
Hippopotamodon(EXTINCT)
Hippopotamus amphibius(river hippopotamus)
Hippopotamus antiquus(EXTINCT)
Hippopotamus creutzburgi(EXTINCT)
Hippopotamus gorgops(EXTINCT)
Hippopotamus kaisensis(EXTINCT)
Hippopotamus laloumena(EXTINCT)
Hippopotamus lemerlei(EXTINCT) (Madagascan dwarf hippopotamus)
Hippopotamus melitensis(EXTINCT)
Hippotraginae(addax, roan antelopes, sable antelopes, oryxes)
Hippotragus equinus(roan antelope)
Hippotragus leucophaeus(EXTINCT) (blue buck)
Hippotragus niger(sable antelope)
Hirella(EXTINCT)
Hirundinidae(swallows)
Hispanodorcas(EXTINCT)
Hispanomeryx(EXTINCT)
Hister(~270 species) (non-monophyletic)
Histeridae(clown beetles)
Histeroidea(clown beetles and relatives)
HistioteuthidaeVerrill, 1881
Histioteuthis atlantica(Hoyle 1885)
Histioteuthis berryiVoss, 1969
Histioteuthis bonnellii(Ferussac 1834)
Histioteuthis celetaria(Voss 1960)
Histioteuthis cerasinaNesis 1971
Histioteuthis corona(Voss and Voss 1962)
Histioteuthis eltaninaeVoss 1969
Histioteuthis heteropsis(Berry 1913)
Histioteuthis inermisTaki 1964
Histioteuthis macrohistaVoss 1969
Histioteuthis meleagroteuthis(Chun 1910)
Histioteuthis miranda(Berry 1918)
Histioteuthis oceani(Robson 1948)
Histioteuthis pacifica(Voss 1962)
Histioteuthis reversa(Verrill, 1880)
Histrionicus histrionicus(Harlequin Duck)
Hodotermitidae(Harvester termites)
Hodoxenina(Kistner)
Holcaspis series(monophyly uncertain)
Holochilus(marsh rats)
Holographis ehrenbergianaNees
Holographis pallidaLeonard & Gentry
Holographis velutifolia(House) T. F. Daniel
Holothuroidea(sea cucumbers)
Homactis rupicolaVerrill 1869
Homaloneura(EXTINCT)
Homaloptila(EXTINCT)
Homalopygus(non-monophyletic)
Hominidae(humans, gorilla, chimpanzee, bonobo, orangutan)
Homo(humans)
Homo(humans)
H-erectus(EXTINCT)
H-ergaster(EXTINCT)
H-habilis(EXTINCT)
H-rudolfensis(EXTINCT)
H-sapiens(modern humans)
Homoiodorcas(EXTINCT)
Homoioptera(EXTINCT)
Homoiopteridae(EXTINCT)
Homostichanthus duerdeniCarlgren 1900
Honanotherium(EXTINCT)
Hoplitomerycidae(EXTINCT)
Hoplitosaurus(EXTINCT)
Hoplomyzon
H-atrizonaMyers, 1942
H-papillatusStewart, 1985
H-sexpapilostomaTaphorn & Marrero, 1990
Hoplophoria coralligensH. W. Wilson 1890
Hormathia
H-Andersoni[sic] Haddon 1888
Hormathia exlexMc Murrich [sic] 1904
Hormathia exlexMc Murrich [sic] 1904
H-georgianaCarlgren 1927
H-mediterraneaCarlgren 1935
Hormathianthus
H-tuberculatusCarlgren 1943
Hormosoma
H-scottiStephenson 1918
Horneophytopsida(EXTINCT)
Houbaropsis bengalensis(Bengal Florican)
Huananaspidiformes(EXTINCT)
Huaxiatermes(EXTINCT) (Early Cretaceous of China)
Hubenthalia(1 species)
Hughmilleriidae(EXTINCT)
Hughmillerioidea(EXTINCT)
Hyacinthaceae(Hyacinthus, Ornithogalum, Scilla and their relatives)
Hyaenidae(hyaenas, aardwolf)
Hyalodia(incertae sedis)
Hyblaeidae(teak moths)
Hybothecus(=Ophryogaster, Inchastichus)
Hydaspicobus(EXTINCT)
Hydaspitherium(EXTINCT)
Hydnoraceae0(incertae sedis)
Hydracarina(incertae sedis)
Hydraenidae(minute moss beetles)
Hydrangeaceae(hydrangea family)
Hydraspermaceae(EXTINCT)
Hydrobiites(EXTINCT) (incertae sedis)
Hydrobiosidae(Spicipalpia)
Hydrodamalis gigas(EXTINCT) (Steller's sea cow)
Hydrometridae(water measurers)
Hydrophilini(non-monophyletic)
Hydrophilites(EXTINCT) (incertae sedis)
Hydrophiloidea(water scavenger beetles)
Hydrophilopsia(EXTINCT) (incertae sedis)
Hydrophilopsis(EXTINCT) (incertae sedis)
Hydropotes inermis(Chinese water deer)
Hydropsalis(Ladder-tailed Nightjar and Scissor-tailed Nightjar)
Hydropsalis(Ladder-tailed Nightjar and Scissor-tailed Nightjar)
H-climacocerca(Ladder-tailed Nightjar)
H-torquata(Scissor-tailed Nightjar)
Hydropteris(EXTINCT)
Hydroptilidae(Spicipalpia)
Hydryphantoidea(non-monophyletic)
Hyemoschus aquaticus(water chevrotain)
Hylaeinae(yellow-faced bees)
Hylaeosaurus(EXTINCT)
Hylia(green hylia)
Hylinae(non-monophyletic)
Hyliota(hyliotas) (incertae sedis)
Hylobatidae(gibbons)
Hylochoerus meinertzhageni(giant forest hog)
Hymenolaimus malacorhynchos(Blue Duck)
Hymenophyllopsidaceae(EXTINCT)0(incertae sedis)
Hymenopodidae(non-monophyletic)
Hymenoptera(wasps, ants, bees, and sawflies)
Hynerpeton(EXTINCT)
Hyotheriinae(EXTINCT)
Hyotherium(EXTINCT)
Hypericaceae(saint john's wort family)
Hyperoartia(lampreys)
Hyperotreti(hagfishes)
Hypertragulidae(EXTINCT)
Hypocacculus(~93 species)
Hypocaccus(~80 species)
Hypochira subspinosa(incertae sedis)
Hypocoliidae(hypocolius) (incertae sedis)
Hypogastruridae(non-monophyletic)
Hypoleria(monophyly uncertain)
Hypopomyrmex bombiccii(EXTINCT) (incertae sedis)
Hypopyrrhus pyrohypogaster(Red-bellied Grackle)
Hypothyris(monophyly uncertain)
Hypsidoridae(EXTINCT)
Hypsodontus(EXTINCT)
Hyptiogastrites electrinus(EXTINCT)
Hyracodontherium(EXTINCT)
Hyracodontidae(EXTINCT)
Hyracoidea(hyraxes, dassies)
Hystricomorpha(Old World porcupines)
Ibycter americana(red-throated caracara)
Icacinaceae(non-monophyletic)
Icaronycteris(EXTINCT)
Ichthyocupes(EXTINCT)
Ichthyodectidae(EXTINCT)
Ichthyodectiformes(EXTINCT)Mesozoic fossils
Ichthyomyini(fish-eating rats)
Ichthyomys
I-stolzmanni(incertae sedis)
Ichthyornithiformes(EXTINCT)
Ichthyosauria(EXTINCT) (incertae sedis)
Ichthyostega(EXTINCT)
Ichthyurodon(EXTINCT) (incertae sedis)
IctaluridaeNorth American Freshwater Catfishes
Ictalurus
I-echinatus(EXTINCT)
I-lambda(EXTINCT)
I-rhaeas(EXTINCT)
I-spodius(EXTINCT)
Icteridae(blackbirds)
Icterus
I-abeillei(Black-backed Oriole)
I-auratus(Orange Oriole)
I-auricapillus(Orange-crowned Oriole) (incertae sedis)
I-bonana(Martinique Oriole)
I-bullockii(Bullock's Oriole)
I-chrysater(Yellow-backed Oriole)
I-chrysocephalus(Moriche Oriole)
I-croconotus(Orange-backed Troupial)
I-cucullatus(Hooded Oriole)
I-fuertesi(Ochre Oriole)
I-galbula(Baltimore Oriole)
I-graceannae(White-edged Oriole)
I-graduacauda(Audubon's Oriole)
I-gularis(Altamira Oriole)
I-icterus(Venezuelan Troupial)
I-jamacaii(Campo Troupial)
I-laudabilis(St. Lucia Oriole)
I-leucopteryx(Jamaican Oriole)
I-maculialatus(Bar-winged Oriole)
I-mesomelas(Yellow-tailed Oriole)
I-nigrogularis(Yellow Oriole)
I-oberi(Montserrat Oriole)
I-parisorum(Scott's Oriole)
I-pectoralis(Spot-breasted Oriole)
I-prosthemelas(Black-cowled Oriole)
I-pustulatus(Streak-backed Oriole)
I-spurius(Orchard Oriole)
I-wagleri(Black-vented Oriole)
Ideliella(EXTINCT)
Idiocetus(EXTINCT)
Idiomorphini(monophyly uncertain)
IdiosepiidaeAppellof, 1898
Idolia(~7 species)
Idoptilus(EXTINCT) (incertae sedis)
Ilemomyrmex caecus(EXTINCT) (incertae sedis)
Ilingoceros(EXTINCT)
IllicinaePosselt 1891
Illicium(star anise & relatives)
Ilyanthopsis elegansWasilieff [sic] 1908
Ilyanthus mazeliiJourdan 1880
Ilyanthus mitchelliGosse 1853
Ilyanthus parthenopeaAndres 1880
Imhoffia(EXTINCT) (incertae sedis)
Imhoffia(EXTINCT) (incertae sedis)
I-nigra(EXTINCT)
I-pallida(EXTINCT)
IncirrataGrimpe, 1916
Incurvariidae(leafcutter moths)
Indian lineage(incertae sedis)
Indicatoridae(honeyguides)
Indo-Pacific II clade(includes species of Acanthopeltis, Gelidium and species formerly in Onikusa and Yatabella)
Indo-Pacific/Caribbean clade(includes species of Gelidium)
Indobatrachus(EXTINCT)
Indosiren(EXTINCT)
Indridae(avahi, sifakas, and indri)
Iniidae(Amazon river dolphins)
InioteuthisVerrill, 1881
Injanatherium(EXTINCT)
Insectivora(shrews, moles, hedgehogs, etc.)
Ionoscopiformes(EXTINCT) (Mesozoic fossils)
Ipelates(monophyly uncertain)
Ipomopsis(monophyly uncertain)
Irenidae(fairy bluebirds)
Iridopterygidae(non-monophyletic)
IridoteuthisNaef, 1912
Ironicus nothus(EXTINCT) (incertae sedis)
Isacmaea euchloraH. and E. Ehrenberg 1834
Isactinernus
I-4-lobatusCarlgren 1918
Isactinia badiaCarlgren 1900
Isactinia badiaCarlgren 1900
I-ignotaCarlgren 1949
I-lobataCarlgren 1949
Isadamsia
I-cancrisociaCarlgren 1928
Isanthus
I-capensisCarlgren 1938
Ischnoptilus(EXTINCT)
Isectolophidae(EXTINCT)
Isoedwardsia
I-curacaoensisPax 1924
I-ignotaCarlgren 1920 [sic]
I-ingolfiCarlgren 1921
I-mediterraneaCarlgren 1931
I-nidarosiensisCarlgren 1942
Isometrdium Richettsi[sic] Carlgren 1949
Isoniscus0(incertae sedis)
Isophellia
I-algonensisCarlgren 1928
I-sabulosaCarlgren 1900
Isoptera(termites)
Isotealia
I-antarcticaCarlgren 1899
I-dubiaWasilieff [sic] 1908
Isotealia pachydermaPax 1922
Itata(New World)
Itemirus medullaris(EXTINCT) (incertae sedis)
Ithaginis cruentus(Blood Pheasant)
Ithomia
I-leila(incertae sedis)
Ithonidae0(incertae sedis)
Ivahymen(EXTINCT)
Ixodida
I-e(Hard ticks)
Jacanidae(jacanas)
Jaekelopteridae(EXTINCT)
Japetella diaphanaHoyle 1885
Jasminum(non-monophyletic)
Jassidophaga(monophyly uncertain)
Jersimantis(EXTINCT)
Jersimantis(EXTINCT)
J-burmiticus(EXTINCT) (Mid-Cretaceous amber, Myanmar)
J-luzzii(EXTINCT) (Mid-Cretaceous amber, New Jersey)
Jitermes(EXTINCT) (Early Cretaceous of China)
Jongmansia(EXTINCT) (incertae sedis)
JoubiniteuthidaeNaef, 1922
Jubula lettii(Maned Owl)
Juglandaceae(walnut family)
Junonia
J-adulatrix(incertae sedis)
J-africana(incertae sedis)
J-almana(incertae sedis)
J-ansorgei(incertae sedis)
J-atlites(incertae sedis)
J-chorimene(incertae sedis)
J-evarete(incertae sedis)
J-genoveva(incertae sedis)
J-goudoti(incertae sedis)
J-hadrope(incertae sedis)
J-hedonia(incertae sedis)
J-hierta(incertae sedis)
J-lemonias(incertae sedis)
J-orithya(incertae sedis)
J-rhadama(incertae sedis)
J-schmiedeli(incertae sedis)
J-stygia(incertae sedis)
J-timorensis(incertae sedis)
J-vestina(incertae sedis)
J-westermanni(incertae sedis)
Jurodidae(EXTINCT)0(incertae sedis)
Juscelinomys(incertae sedis)
Kabulicornis(EXTINCT)
Kadosactis
K-roseaDanielssen 1890
Kadosanthus sulcatusCarlgren 1934
Kakoselia anglia(EXTINCT) (incertae sedis)
Kallenbergia(EXTINCT)
Kalophryganeidae(EXTINCT) (incertae sedis)
Kalotermitidae(Drywood termites)
Kaltanicupes(EXTINCT)
Kaltanocoleus(EXTINCT)
Kanetisa(incertae sedis)
Kangiliacyathus(EXTINCT)
Kansasia(EXTINCT) (incertae sedis)
Karakanocoleus(EXTINCT)
Karanisia clarki(EXTINCT)
Karauridae(EXTINCT)0(incertae sedis)
Karsimatherium(EXTINCT)
Kasibelinurus(EXTINCT)
Katapontisus brodiei(EXTINCT) (incertae sedis)
Kathablepharids(several genera of heterotrophic flagellates)
Kaupifalco(incertae sedis)
Kayentachelys(EXTINCT)
Kazakhophotina corrupta(EXTINCT) (Mid-Cretaceous, Kzyl-Orda, Kazakhstan)
Kekenodontidae(EXTINCT)
Kelidus bolbus(EXTINCT) (incertae sedis)
Kemneria(incertae sedis)
Kentriodontidae(EXTINCT) (non-monophyletic) (incertae sedis)
Kenyapotamus(EXTINCT) (incertae sedis)
Kenyasus(EXTINCT)
Kermesidae(gall-like coccids)
Kerriidae(lac scales)
Ketupa(Brown Fish Owl and relatives)
Ketupa(Brown Fish Owl and relatives)
K-flavipes(Tawny Fish Owl)
K-ketupu(Buffy Fish Owl)
K-zeylonensis(Brown Fish Owl)
Keuphyliidae(F.)
Khetania mandibulata(EXTINCT)
Kiaeraspidida(EXTINCT)
Kickxellomycotina(bread molds, Rhizopus, Mucor, etc.)
Kilbuchophyllida(EXTINCT)
Kirghizocupes cellulosus(EXTINCT)
Kirtland Shale aublysodontine(EXTINCT)
Kizylkuma(EXTINCT)
Koalliella(EXTINCT)0(incertae sedis)
Kobikeryx(EXTINCT)
Kobus ellipsiprymnus(waterbuck)
Kobus kob(kob)
Kobus leche(red lechwe)
Kobus megaceros(Nile lechwe)
Kobus vardonii(puku)
Kogiidae(pygmy/dwarf sperm whales)
Kokomopteridae(EXTINCT)
Kokomopteroidea(EXTINCT)
Kolpochoerus(EXTINCT)
Komba robustus(EXTINCT)
Komokiacea(large marine amoebae)
KondakoviaFilippova, 1972
Koompassia Martiodendron, Androcalymma, Kalappia, (monophyly uncertain)
Korenia margaritaceusDanielssen 1890
Korynochoerus(EXTINCT)
Kotlassia(EXTINCT)
Kotshkorkia laticeps(EXTINCT) (incertae sedis)
Kotujellitinae(EXTINCT)
Kubanochoerinae(EXTINCT)
Kubanochoerus(EXTINCT)
Kubanotragus(EXTINCT)
Kuehneosauridae(EXTINCT)
Kunsia(water rat and South American giant rats)
Kuyangichthidae(EXTINCT)
Kyrinion martilli(EXTINCT)
Kyromyrma neffi(EXTINCT) (incertae sedis)
Laasbium(EXTINCT)
Labidelytron(EXTINCT)
Labocania anomala(EXTINCT) (incertae sedis)
Labradorocoleus carpenteri(EXTINCT)
Lacturidae(Tropical burnet moths)
Laemophloeidae(lined flat bark beetles)
Lagenopsis(incertae sedis)
Lagomeryx(EXTINCT)
Lagomorpha(rabbits, hares, and pikas)
Lagopus(Ptarmigan)
Lagopus(Ptarmigan)
L-lagopus(Willow Ptarmigan)
L-leucura(White-tailed Ptarmigan)
L-muta(Rock Ptarmigan)
Lagosuchis(EXTINCT)
Lama glama(llama)
Lama guanicoe(guanaco)
Lama pacos(alpaca)
Lamasia(incertae sedis)
Lameereites(EXTINCT) (incertae sedis)
Lamiaceae(mint family)
Lamini(llamas)
Laminocyathus(EXTINCT)
LampadioteuthisBerry, 1916
Lampridiformes(opahs and oarfishes)
Lampropsar tanagrinus(Velvet-fronted Grackle)
Lamproptilia(EXTINCT)
Lampyridae(fireflies)
Lanarkopteridae(EXTINCT)
Languriidae(lizard beetles)
Laniidae(shrikes)
Lanioturdus(chatshrike)
Lanochordodes zeravshanicus(incertae sedis)
Lanthanosuchidae(EXTINCT)
Laostaphylinus(EXTINCT)
Laridae(gulls, terns)
Larix
L-mastersiana(incertae sedis)
Larryia(EXTINCT)
Lasanius(EXTINCT)
Lasiocampidae(lappet moths)
Lasiocampoidea(lappet moths)
Lasius(monophyly uncertain)
Laterallus(Russet-crowned Crake and relatives)
Laterallus(Russet-crowned Crake and relatives)
L-albigularis(White-throated Crake)
L-exilis(Grey-breasted Crake)
L-fasciatus(Black-banded Crake)
L-jamaicensis(Black Rail)
L-leucopyrrhus(Red-and-white Crake)
L-levraudi(Rusty-flanked Crake)
L-melanophaius(Rufous-sided Crake)
L-ruber(Ruddy Crake)
L-spilonotus(Galapagos Crake)
L-tuerosi(Junin Crake)
L-viridis(Russet-crowned Crake)
L-xenopterus(Rufous-faced Crake)
Lathrobium
L-(Palaeolobrathium)(EXTINCT)
Latonia(EXTINCT)
Latridiidae(minute brown scavenger beetles)
Latrodectus
L-apicalis(incertae sedis)
L-atritus(incertae sedis)
L-cinctus(incertae sedis)
L-curacaviensis(incertae sedis)
L-dahli(incertae sedis)
L-elegans(incertae sedis)
L-erythromelas(incertae sedis)
L-hystrix(incertae sedis)
L-indistinctus(incertae sedis)
L-karrooensis(incertae sedis)
L-lilianae(incertae sedis)
L-obscurior(incertae sedis)
L-quartus(incertae sedis)
Lauraceae(laurel, cinnamon, camphor, sassafras, avocado etc.)
Laurieipteridae(EXTINCT)
LeachiaLesueur 1821
LeachiaLesueur 1821
L-dislocataYoung, 1972
Lebanevania azari(EXTINCT)
Lecanodiaspididae(false pit scales)
Lecithoceridae(longhorned moths)
Lecythidaceae(brazilnut family)
Legrandella(EXTINCT)
Leiodidae(round fungus beetles, etc.)
Leiodinae(including Anisotomidae)
Leiopelma
L-auroraensis(EXTINCT)
L-markhami(EXTINCT)
L-waitomoensis(EXTINCT)
Leiotealia nymphaeaHertwig 1882
Leipoa ocellata(Malleefowl)
Leipsiceras
L-valensCarlgren 1943
Lelecella(incertae sedis)
Lemoniidae(autumn silkworm moths)
Lemur catta(ring-tailed lemur )
Lemuridae(lemurs)
Lentibulariaceae(bladderwort family)
Lepidaspis(EXTINCT)
Lepidodasyidae(non-monophyletic)
Lepidodasypus sharovi(EXTINCT)
Lepidoptera(moths and butterflies)
Lepidosauromorpha(lizards, snakes, Sphenodon, and their extinct relatives)
LepidoteuthidaePfeffer 1912
Lepilemuridae(sportive lemurs, weasel lemurs)
Lepisosteiformes(gars)
Leporidae(hares and rabbits)
Leptocyathus(EXTINCT)
'Leptodactylidae'(non-monophyletic)
Leptoferonia
L-enyo(incertae sedis)
L-falli(incertae sedis)
Leptolepidiformes(EXTINCT) (Mesozoic)
Leptomerycidae(EXTINCT)
Leptomyrmula maravignae(EXTINCT) (incertae sedis)
Leptopodidae(spiny shore bugs)
Leptopodomorpha(shore bugs, spiny shore bugs)
Leptorycteropus(EXTINCT)
Leptosomatidae(cuckoo-roller)
Leptosphaeriaceae(monophyly uncertain)
Leptoteichus insignisStephenson 1918
Leptotheridium(EXTINCT)
Leptpoferonia deino(incertae sedis)
Leptusa
L-(Protoleptusa)(EXTINCT)
Lerwa lerwa(Snow Partridge)
Lesothosaurus(EXTINCT)
Lesticus series(Includes Lesticus and Delinius series of Moore, 1965) (monophyly uncertain)
Lethocoleus sternalis(EXTINCT)
Leucopternis(non-monophyletic)
Leucotaphus(EXTINCT) (incertae sedis)
Leucotaphus(EXTINCT) (incertae sedis)
L-cockerelli(EXTINCT)
L-gurnetensis(EXTINCT)
L-permancus(EXTINCT)
Levicyathus(EXTINCT)
Lewinia(Brown-banded Rail and relatives)
Lewinia(Brown-banded Rail and relatives)
L-mirifica(Brown-banded Rail)
L-muelleri(Auckland Rail)
L-pectoralis(Lewin's Rail)
Liadytidae(EXTINCT)0(incertae sedis)
Liassocupes(EXTINCT) (incertae sedis)
Liberocoleus(EXTINCT)
Libycochoerus(EXTINCT)
Libythea
L-cinyras(incertae sedis)
L-lepita(incertae sedis)
Libytheinae(snout butterflies)
Lichida(EXTINCT)
LiguriellaIssel, 1908
Liliella lacuniferaStephenson 1918
Limacodidae(slug caterpillar moths)
Limenitis
L-ciocolatina(incertae sedis)
L-dubernardi(incertae sedis)
L-elwesi(incertae sedis)
L-lepechini(incertae sedis)
L-misuji(incertae sedis)
L-rileyi(incertae sedis)
L-sydyi(incertae sedis)
L-trivena(incertae sedis)
Limnactinia laevisCarlgren 1921
Limnactinia nudaCarlgren 1927
Limnichidae(minute marsh-loving beetles)
Limnogale mergulus(aquatic tenrec)
Limnoriidae(F.)
Limulitella
L-bronni(EXTINCT)
L-liasokeuperinus(EXTINCT)
L-vicensis(EXTINCT)
L-volgensis(EXTINCT)
Limuloides(EXTINCT)
Limulus
L-coffini(EXTINCT)
L-henkeli(EXTINCT) (incertae sedis)
L-priscus(EXTINCT) (incertae sedis)
L-sandbergeri(EXTINCT) (incertae sedis)
L-woodwardi(EXTINCT) (incertae sedis)
Linaceae(incl. Hugoniaceae)
Linanthus(monophyly uncertain)
Lineiformes(monophyly uncertain)
Linophrynidae(Leftvent Seadevils)
Linyphiidae(sheet-web weavers, dwarf spiders)
LiocranchiaPfeffer 1884
LiocranchiaPfeffer 1884
L-reinhardti(Steenstrup 1856)
L-valdiviaeChun 1906
Liomesaspis(EXTINCT)
Liphyramoth butterflies
Liponema
L-brevicirrataCarlgren 1928
L-multiporaHertwig 1882
Lipotactinae(incertae sedis)
Lipotidae(Yangtze river dolphins)
Lissotis(Hartlaub's Bustard and relatives)
Lissotis(Hartlaub's Bustard and relatives)
L-hartlaubii(Hartlaub's Bustard)
L-melanogaster(Black-bellied Bustard)
Listriodon(EXTINCT)
Listriodontinae(EXTINCT)
Listroscelidinae(Spiny predatory katydids)
Litarthrum(incertae sedis)
Lithacrosiphon(incertae sedis)
Lithembia florissantensis(EXTINCT) (Florissant shale) (incertae sedis)
Lithobatrachus(EXTINCT)
Lithocupes(EXTINCT)
Lithomanteidae(EXTINCT)
Lithomantis(EXTINCT)
Lithophotina floccosa(EXTINCT) (Oligocene, Florissant shale, Colorado)
Lithoptilus(EXTINCT)
Litinga(incertae sedis)
Litocranius walleri(gerenuk)
Litophellia
L-octoradiataCarlgren 1938
Littorinoidea(periwinkles)
Living Amphibians(frogs, salamanders, and caecilians)
Llanocetidae(EXTINCT)
Loeseliastrum(monophyly uncertain)
LoliginidaeLesueur, 1821
LoligoLamarck, 1789
LoliolusSteenstrup, 1856
LolligunculaSteenstrup, 1881
Lonchomyrmex(EXTINCT) (incertae sedis)
Lonchomyrmex(EXTINCT) (incertae sedis)
L-freyeri(EXTINCT)
L-nigritus(EXTINCT)
Longipalpis lineage(incertae sedis)
Longirostromeryx(EXTINCT)
Lonicera(Honeysuckle)
Lophactis ornataVerrill 1869
Lophialetidae(EXTINCT)
Lophichthyidae(Arafura frogfish)
Lophiidae(Goosefishes, monkfishes)
Lophiiformes(anglerfishes)
Lophiobunodon(EXTINCT)
Lophiodontidae(EXTINCT)
Lophiomerycidae(EXTINCT) (monophyly uncertain)
Lophiomyinae(maned or crested rat)
Lophochoerus(EXTINCT)
Lophocoronidae(Australian archaic sun moths)
Lophodytes cucullatus(Hooded Merganser)
Lopholistriodon(EXTINCT)
Lophonetta specularioides(Crested Duck)
Lophophorus(Monal)
Lophophorus(Monal)
L-impejanus(Himalayan Monal)
L-lhuysii(Chinese Monal)
L-sclateri(Sclater's Monal)
Lophosmilia(EXTINCT)
Lophostrix cristata(Crested Owl)
Lophotis(Savile's Bustard and relatives)
Lophotis(Savile's Bustard and relatives)
L-gindiana(Buff-crested Bustard)
L-ruficrista(Red-crested Korhaan)
L-savilei(Savile's Bustard)
Lophura(Kalij Pheasant, Silver Pheasant, Firebacks, and relatives)
Lophura(Kalij Pheasant, Silver Pheasant, Firebacks, and relatives)
L-bulweri(Bulwer's Pheasant)
L-diardi(Siamese Fireback)
L-edwardsi(Edwards's Pheasant)
L-erythrophthalma(Crestless Fireback)
L-hatinhensis(Vietnamese Pheasant)
L-hoogerwerfi(Hoogerwerf's Pheasant)
L-ignita(Crested Fireback)
L-inornata(Salvadori's Pheasant)
L-leucomelanos(Kalij Pheasant)
L-nycthemera(Silver Pheasant)
L-swinhoii(Swinhoe's Pheasant)
Lorancameryx(EXTINCT)
Loranthaceae(mistletoe family)
Loris tardigradus(slender loris)
Lorisidae(lorises, pottos)
Lorisiformes(bush babies and lorises)
Lotharella globosa/ Lotharella sp. (CCMP240)
Loxodonta africana(African Elephant)
Loxodontomys
L-formosus(EXTINCT)
Loxogenius(incertae sedis)
Loxomma acutirhinus(EXTINCT)
Loxomma allmani(EXTINCT)
Loxomma rankini(EXTINCT)
Loxoscelidae(brown spiders, recluses)
Lucentia(EXTINCT)
Lufengosaurus(EXTINCT)
Luffisphaera(marine protists)
Luganoiiformes(EXTINCT)
Lurocalis(Short-tailed Nighthawk and Rufous-bellied Nighthawk)
Lurocalis(Short-tailed Nighthawk and Rufous-bellied Nighthawk)
L-rufiventris(Rufous-bellied Nighthawk)
L-semitorquatus(Short-tailed Nighthawk)
Lusiella(EXTINCT)
Luteitermes prisca(EXTINCT) (Mid-Cretaceous amber, France)
Lutetiatermes prisca(EXTINCT) (Upper Cretaceous amber of France)
LuteuthisO'Shea, 1999
LuteuthisO'Shea, 1999
L-dentatus(O'Shea, 1999)
L-shuishi(O'Shea & Lu, 2002)
Lutrochus(travertine beetles)
Lycaenidae(gossamer-winged butterflies :hairstreaks, blues and coppers)
Lycidae(net-winged beetles)
Lycocercidae(EXTINCT)
Lycocercus(EXTINCT)
Lycodemas(EXTINCT)
Lycodus(EXTINCT)
Lycopsida(lycophytes)
Lycopteridae(EXTINCT)
Lycosa(non-monophyletic)
Lycosidae(wolf spiders)
Lycosoidea(wolf spiders, lynx spiders, etc.)
LycoteuthidaePfeffer, 1908
LycoteuthisPfeffer, 1900
LycoteuthisPfeffer, 1900
L-lorigera(Steenstrup, 1875)
L-springeriVoss (1956)
Lyela(incertae sedis)
Lygaeidae(seed bugs)
Lygaeoidea(stilt bugs, seed bugs) (monophyly uncertain)
Lyginopteridaceae(EXTINCT)
Lymantriidae(tussock moths)
Lymexyloidea(ship-timber beetles)
Lynseiidae(F.)
Lyonetiidae(lyonet moths)
Lyrocerus(EXTINCT)
Lyrurus(Caucasian Grouse and Black Grouse)
Lyrurus(Caucasian Grouse and Black Grouse)
L-mlokosiewiczi(Caucasian Grouse)
L-tetrix(Black Grouse)
Lysorophia(EXTINCT)
Lythraceae(loosestrife family)
Macedonitherium(EXTINCT)
Machaeromeryx(EXTINCT)
Macheiramphus(incertae sedis)
Macrocatinius brachycephalus(EXTINCT)
Macrocephalon maleo(Maleo)
Macrocnema
M-nicobaricaCarlgren 1928
Macrodictya(EXTINCT)
Macrodipteryx(Standard-winged Nightjar and Pennant-winged Nightjar)
Macrodipteryx(Standard-winged Nightjar and Pennant-winged Nightjar)
M-longipennis(Standard-winged Nightjar)
M-vexillarius(Pennant-winged Nightjar)
Macroleter(EXTINCT)
Macrolister(~16 species)
Macropsalis forcipata(Long-trained Nightjar)
Macroscelidea(elephant shrews)
Macrosemiiformes(EXTINCT) (Mesozoic fossils)
Macrosphenus(longbills)
Macrotermitinae(Fungus-growing termites)
Macroveliidae(macroveliid shore bugs)
Madera(EXTINCT)
Madoqua(dik-diks)
Madoqua(dik-diks)
M-guentheri(Günther's dik-dik)
M-kirkii(Kirk's dik-dik)
M-piacentinii(silver dik-dik)
M-saltiana(Salt's dik-dik)
MagnapinnidaeVecchione and Young, 1998
Magnoliaceae(magnolias and tulip trees)
Makapania(EXTINCT)
Malaconotinae(bush-shrikes)
Malacorhynchus membranaceus(Pink-eared Duck)
Malacosporea(Malacovalvulida)
Malmelater priscus(EXTINCT)
Malpighiaceae(Barbados cherry family)
Maluridae(fairy wrens and emu wrens)
Mammalodontidae(EXTINCT)
Mammia(EXTINCT) (incertae sedis)
Mammuthus(EXTINCT) (Mammoths)
Mammuthus(EXTINCT) (Mammoths)
M-columbi(EXTINCT) (Columbian mammoth)
M-exilis(EXTINCT) (pygmy mammoth)
M-jeffersonii(EXTINCT) (Jefferson's mammoth)
M-lamarmorae(EXTINCT) (Sardinian dwarf mammoth)
M-meridionalis(EXTINCT)
M-primigenius(EXTINCT) (woolly mammoth)
Mammutidae(EXTINCT) (mastodons)
Manis (Manis) pentadactyla(Chinese pangolin)
Manis (Phataginus) tricuspis(African tree pangolin)
Manis (Smutsia) gigantea(giant pangolin)
Manis (Smutsia) temminckii(Cape pangolin)
Manis (Uromanis) tetradactyla(Four-toed pangolin)
Mantidae(non-monophyletic)
Mantinae(non-monophyletic)
Mantisatta(Old World)
Mantodea(mantids)
Marchantiomorpha(liverworts)
Marellia(incertae sedis)
Margarinotus(~100 species)
Margarodidae(giant coccids, ground pearls)
Margaroperdix madagascariensis(Madagascar Partridge)
Marmaronetta angustirostris(Marbled Duck)
Marmota(marmots and woodchuck)
Marmota(marmots and woodchuck)
M-baibacina(gray or Altai marmot)
M-bobak(bobac or steppe marmot)
M-broweri(Alaska or Brower's marmot)
M-caligata(hoary marmot)
M-camtschatica(black-capped marmot)
M-caudata(long-tailed or red marmot)
M-flaviventris(yellow-bellied marmot)
M-himalyana(Himalayan marmot)
M-marmota(alpine marmot)
M-menzbieri(Menzbier's marmot)
M-monax(woodchuck or groundhog)
M-olympus(Olympic marmot) (incertae sedis)
M-sibirica(tarbagan or Mongolian marmot)
M-vancouverensis(Vancouver Island marmot)
Marmotini(marmots, ground squirrels, and prairie-dogs)
Marsupialia(opossums, kangaroos, etc.)
Martynovia(EXTINCT)
Masillabune(EXTINCT)
Massospondylus(EXTINCT)
MastigoteuthidaeVerrill, 1881
Mastotermes
M-anglicus(EXTINCT) (Middle Oligocene of England)
M-bournemouthensis(EXTINCT) (Upper Eocene of England)
M-croaticus(EXTINCT) (Lower Miocene of Croatia)
M-darwiniensis(Giant Northern termite of Northern Australia)
M-electrodominicus(EXTINCT) (Lower Miocene amber of the Dominican Republic)
M-electromexicus(EXTINCT) (Upper Oligocene amber of Chiapas, Mexico)
M-gallica(EXTINCT) (Lower Oligocene of France)
M-haidingeri(EXTINCT) (Lower Miocene of Croatia)
M-heerii(EXTINCT) (Upper Oligocene of Poland) (incertae sedis)
M-minor(EXTINCT) (Lower Miocene of Croatia)
M-picardi(EXTINCT) (Upper Oligocene of France)
Mastotermites stuttgartensis(EXTINCT) (Middle Miocene of Germany) (incertae sedis)
Mastotermitidae(Giant Northern termite of Australia and extinct relatives)
Mayomyzon(EXTINCT)
Mazama(brockets) (monophyly uncertain)
Mazama(brockets) (monophyly uncertain)
M-americana(red brocket )
M-bricenii(Merioa brocket)
M-chunyi(dwarf brocket)
M-gouazoupira(gray brocket)
M-nana(pygmy brocket)
M-rufina(little red brocket)
Mazonopterum(EXTINCT)
Mazothairos(EXTINCT)
Mcluckiepteron(EXTINCT) (incertae sedis)
Meandrosmilia(EXTINCT)
Mecistocephalidae(Placodesmata)
Mecistostethus(incertae sedis)
Meconematinae(Long-legged katydids)
Mecopodinae(Long-legged katydids)
Mecoptera(scorpionflies, hangingflies) (monophyly uncertain)
Mecynoptera(EXTINCT) (incertae sedis)
Mecynostomata(EXTINCT) (Mecynostomatidae)
Mecynostomites(EXTINCT) (incertae sedis)
Medullosaceae(EXTINCT)
Medusa palliataBohadsch 1761
Megacamelus(EXTINCT)
Megaceroides(EXTINCT)
Megachilidae(leafcutter bees)
Megachiroptera(Old World Fruit Bats)
Megacrex inepta(Papuan Flightless Rail)
Megadermatidae(False Vampire bats)
Megalactis
M-griffithsiiSaville Kent 1893
M-hemprichiiEhrenberg 1834
Megaladapis edwardsi(EXTINCT)
Megaladapis grandidieri(EXTINCT)
Megaladapis madagascariensis(EXTINCT)
Megalapteryx(EXTINCT)
MegaleledoneTaki, 1961
Megalocephalus lineolatus(EXTINCT)
Megalocephalus pachycephalus(EXTINCT)
Megaloceros(EXTINCT)
Megalochoerus(EXTINCT)
Megalocraerus(1 species, probably Exosternini) (incertae sedis)
MegalocranchiaPfeffer, 1884
Megalograptidae(EXTINCT)
Megalomys(West Indian rice rats)
Megalonychidae(two-toed sloths)
MegalopalpusAfrican Harvesters
Megalopidaetarpon
Megaloptera(alderflies, dobsonflies, and fishflies)
Megalopygidae(flannel moths)
Megalotriton(EXTINCT)0(incertae sedis)
Megalovis(EXTINCT)
Megaluridae(grassbirds)
Megamuntiacus vuquangensis(giant muntjac)
Megaoryzomys(EXTINCT) (Galapagos giant rat)
Megaphotina sichotensis(EXTINCT) (Oligocene, Primorye Pozharskiy, Russian Far East)
Megapodiidae(Megapodes)
Megapodius
M-bernsteinii(Sula Megapode)
M-cumingii(Philippine Megapode)
M-decollatus(New Guinea Megapode)
M-eremita(Melanesian Megapode)
M-forstenii(Forsten's Megapode)
M-freycinet(Dusky Megapode)
M-geelvinkianus(Biak Megapode)
M-laperouse(Micronesian Megapode)
M-layardi(Vanuatu Megapode)
M-nicobariensis(Nicobar Megapode)
M-pritchardii(Tongan Megapode)
M-reinwardt(Scrubfowl)
M-tenimberensis(Tanimbar Megapode)
Megaprotermes(incertae sedis)
Megaptera novaeangliae(humpback whale)
Megapteropsis(EXTINCT)
Megaptilidae(EXTINCT)
Megaptiloides(EXTINCT) (incertae sedis)
Megaptilus(EXTINCT)
Megascops(Screech Owls)
Megascops(Screech Owls)
M-albogularis(White-throated Screech Owl)
M-asio(Eastern Screech Owl)
M-atricapilla(Black-capped Screech Owl)
M-barbarus(Bearded Screech Owl)
M-centralis(Choco Screech Owl)
M-choliba(Tropical Screech Owl)
M-clarkii(Bare-shanked Screech Owl)
M-cooperi(Pacific Screech Owl)
M-flammeolus(Flammulated Owl)
M-guatemalae(Vermiculated Screech Owl)
M-hoyi(Yungas Screech Owl)
M-ingens(Rufescent Screech Owl)
M-kennicottii(Western Screech Owl)
M-koepckeae(Koepcke's Screech Owl)
M-marshalli(Cloud-forest Screech Owl)
M-nudipes(Puerto Rican Screech Owl)
M-petersoni(Cinnamon Screech Owl)
M-roboratus(West Peruvian Screech Owl)
M-roraimae(Foothill Screech Owl)
M-sanctaecatarinae(Long-tufted Screech Owl)
M-seductus(Balsas Screech Owl)
M-trichopsis(Whiskered Screech Owl)
M-watsonii(Tawny-bellied Screech Owl)
Megasecoptera(EXTINCT)
Megatriorchis(incertae sedis)
Megatylopus(EXTINCT)
Megelytron(EXTINCT)
Meiatermes(EXTINCT)
Meiatermes(EXTINCT)
M-araripena(EXTINCT) (Lower Cretaceous of Brazil)
M-bertrani(EXTINCT) (Lower Cretaceous of Spain)
Meiolaniidae(EXTINCT)
Melampitta(melampittas)
Melandryidae(false darkling beetles)
Melanitta(Scoters)
Melanitta(Scoters)
M-americana(American Scoter)
M-deglandi(White-winged Scoter)
M-fusca(Velvet Scoter)
M-nigra(Black Scoter)
M-perspicillata(Surf Scoter)
Melanocetidae(Blackdevils)
Melanocharitidae(berrypeckers)
Melanoparaeia(crescent-chests)
Melanoperdix niger(Black Partridge)
Melanoplinae(includes Podismini)
Melastomataceae(meadow beauty family)
Melbournopterus(EXTINCT) (incertae sedis)
Meleagris(Turkeys)
Meleagris(Turkeys)
M-gallopavo(Wild Turkey)
M-ocellata(Ocellated Turkey)
Meliaceae(mahogany family)
Melianthaceae(incl. Francoaceae and Greyiaceae)
Meliphagidae(honeyeaters)
Meliphagoidea(honeyeaters, Australasian wrens, pardalotes, and their relatives)
Meliponini(stingless bees)
Melocichla(moustached grass-warbler)
Meloidae(blister beetles)
Melyridae(soft-winged flower beetles)
Membracidae(treehoppers)
Membracoidea(leafhoppers, treehoppers)
MendesellaWhitfield & Mason 1994
Menelikia(EXTINCT)
Mengea mengei(EXTINCT)
Mengea tertiaria(EXTINCT)
Mengeidae(EXTINCT) (incertae sedis)
Mengenillidia(monophyly uncertain)
Menispermaceae(moonseed family)
Menuridae(lyrebirds)
Menuroidea(Crow-like songbirds originating in Australia)
Merganetta armata(Torrent Duck)
Mergellus albellus(Smew)
Mergus(Common Merganser and relatives)
Mergus(Common Merganser and relatives)
M-merganser(Common Merganser)
M-octosetaceus(Brazilian Merganser)
M-serrator(Red-breasted Merganser)
M-squamatus(Scaly-sided Merganser)
Merocheta(flat-backed millipedes)
Merohister(~5 species)
Meropidae(bee-eaters)
Merriamoceros(EXTINCT)
Merycodus(EXTINCT)
Merycoidodontidae(EXTINCT) (oreodonts)
Mesagyrtoides(EXTINCT) (incertae sedis)
Mesecanus(EXTINCT)
Mesembia(non-monophyletic)
Mesembriacerus(EXTINCT)
Mesevania swinhoei(EXTINCT)
Mesitornis unicolor(Brown Mesite)
Mesitornis variegatus(White-breasted Mesite)
Mesitornithidae(Mesites)
Mesoblaberus(incertae sedis)
Mesocinetes(EXTINCT)
Mesocupes(EXTINCT) (incertae sedis)
Mesocupoides(EXTINCT) (incertae sedis)
Mesohelophorus(EXTINCT) (incertae sedis)
Mesolimulus
M-crespelli(EXTINCT)
M-sibiricus(EXTINCT)
M-syriacus(EXTINCT) (incertae sedis)
M-walchi(EXTINCT)
MesonychoteuthisRobson, 1925
Mesopropithecus dolichobrachion(EXTINCT)
Mesopropithecus globiceps(EXTINCT)
Mesopropithecus pithecoides(EXTINCT)
Mesosauridae(EXTINCT)
Mesoscorpionina(EXTINCT)
Mesosperchus(EXTINCT) (incertae sedis)
Mesostaphylinus(EXTINCT)
Mesotachinus(EXTINCT)
Mesotachyporus(EXTINCT)
Mesoteras(EXTINCT)
Mesotermopsis(EXTINCT) (Early Cretaceous of China)
Mesothoris(EXTINCT) (incertae sedis)
Mesotitan(EXTINCT)
Mesotitanodes(EXTINCT)
Mesoveliidae(water treaders)
Mesozoa(incertae sedis)
Mesozoicaphididae(EXTINCT) (incertae sedis)
Mesydra(EXTINCT) (incertae sedis)
Metacervulus(EXTINCT)
Metacheiromyidae(EXTINCT)
Metadeinopsis
M-balli0(incertae sedis)
M-ferox0(incertae sedis)
Metanephrocerus collini(EXTINCT) (monophyly uncertain)
Metasmilia(EXTINCT)
Metaxygnathus(EXTINCT)
Metaxytherium(EXTINCT)
Metoligotoma(non-monophyletic)
Metridiochoerus(EXTINCT)
Metridium
M-canumStuckey 1914
Metridium concinnataDana 1849
Metridium muscosaDana 1849
Metridium muscosaDana 1849
M-parvulumMc Murrich [sic] 1904
Metridium praetextaDana 1849
Metropator(EXTINCT)
Miacidae(EXTINCT)
Mianeuretus mirabilis(EXTINCT)
Michenia(EXTINCT)
Micrabacia(EXTINCT)
Micrastur(Forest Falcons)
Micrastur(Forest Falcons)
M-buckleyi(Buckley's Forest Falcon)
M-gilvicollis(Lined Forest Falcon)
M-mintoni(Cryptic Forest Falcon)
M-mirandollei(Slaty-backed Forest Falcon)
M-plumbeus(Plumbeous Forest Falcon)
M-ruficollis(Barred Forest Falcon)
M-semitorquatus(Collared Forest Falcon)
Micrathene whitneyi(Elf Owl)
Microbiotheria(monito del monte & extinct relatives)
Microchiroptera(Echolocating Bats)
Microdictya(EXTINCT)
Microdiplatys(EXTINCT)
MicroeledoneNorman, Hochberg and Boucher-Rodoni, 2004
Microembia rugosifrons(incertae sedis)
Microgale(shrew tenrecs) (monophyly uncertain)
Microgale(shrew tenrecs) (monophyly uncertain)
M-brevicaudata(short-tailed shrew tenrec)
M-cowani(Cowan's shrew tenrec)
M-dobsoni(Dobson's shrew tenrec)
M-drouhardi(Drouhard's shrew tenrec)
M-dryas(tree shrew tenrec)
M-fotsifotsy(pale shrew tenrec)
M-gracilis(gracile shrew tenrec)
M-gymnorhyncha(naked-nosed shrew tenrec)
M-longicaudata(lesser long-tailed shrew tenrec)
M-monticola(montane shrew tenrec)
M-nasoloi(Nasolo's shrew tenrec)
M-parvula(pygmy shrew tenrec)
M-principula(greater long-tailed shrew tenrec)
M-pulla(dark shrew tenrec)
M-pusilla(least shrew tenrec)
M-soricoides(shrew-toothed shrew tenrec)
M-taiva(Taiva shrew tenrec)
M-talazaci(Talazac's shrew tenrec)
M-thomasi(Thomas's shrew tenrec)
Micrognathozoa(incertae sedis)
Microhierax(Falconets)
Microhierax(Falconets)
M-caerulescens(Collared Falconet)
M-erythrogenys(Philippine Falconet)
M-fringillarius(Black-thighed Falconet)
M-latifrons(White-fronted Falconet)
M-melanoleucos(Pied Falconet)
Microlynx(EXTINCT)
Micromelerpetontidae(EXTINCT)
Micromeryx(EXTINCT)
Micromys(incertae sedis)
Micronisus(incertae sedis)
Microphthalmus(incertae sedis)
Micropotamogale(dwarf otter shrews)
Micropotamogale(dwarf otter shrews)
M-lamottei(Nimba otter shrew)
M-ruwenzorii(Ruwenzori otter shrew)
Micropterigidae(mandibulate archaic moths)
Micropternodontidae(EXTINCT)
Microptysmatidae(EXTINCT)
Micropygia schomburgkii(Ocellated Crake)
Microsauria(EXTINCT) (non-monophyletic)
Microsciurini(Neotropical dwarf squirrels)
Microsporidia(incertae sedis)
Microstonyx(EXTINCT)
Microtettigoniidae(Micro katydids) (incertae sedis)
Miletinaethe carnivorous butterflies
Millardia(incertae sedis)
Millerettidae(EXTINCT)
Milne-Edwardsia akkeshiUchida 1932
Milne-Edwardsia dixoniCarlgren 1921
Milne-Edwardsia loveniCarlgren 1892
Milne-Edwardsia nathorstiCarlgren 1921
Milne-Edwardsia polarisCarlgren 1921
Milvago
M-chimachima(yellow-headed caracara)
M-chimango(chimango caracara)
Mimallonidae(sackbearer moths)
Mimidae(mimic thrushes)
Mimivirus(incertae sedis)
Mimizuku gurneyi(Giant Scops Owl)
Minablatta(incertae sedis)
Miniperla(incertae sedis)
Ministeria(genus of heterotrophic flagellates)
Minmi(EXTINCT)
Minois(incertae sedis)
Minor holopelagic Phyllodocida(non-monophyletic)
Minyas coeruleaLesson 1830
Minyas torpedoBell 1885
Miocupes(EXTINCT) (incertae sedis)
Miodugong(EXTINCT)
Miolabinae(EXTINCT)
Miolabis(EXTINCT)
Miolithocharis(EXTINCT)
Miomatoneura(EXTINCT)
Miomatoneurella(EXTINCT)
Miomoptera(EXTINCT)0(incertae sedis)
Miomyrmex(EXTINCT) (incertae sedis)
Miomyrmex(EXTINCT) (incertae sedis)
M-impactus(EXTINCT)
M-striatus(EXTINCT)
Miopelodytes(EXTINCT)
Miopieris(EXTINCT)
Mioproteus caucasicus(EXTINCT)0(incertae sedis)
Miosilpha(EXTINCT)
Miosiren(EXTINCT)
Miosolenopsis fossilis(EXTINCT) (incertae sedis)
Miotermes(EXTINCT)
Miotermes(EXTINCT)
M-insignis(EXTINCT) (Upper Miocene of Germany) (incertae sedis)
M-procerus(EXTINCT) (Lower Miocene of Croatia) (incertae sedis)
M-randeckensis(EXTINCT) (Middle Miocene of Germany) (incertae sedis)
M-spectabilis(EXTINCT) (Upper Miocene of Germany) (incertae sedis)
Miotylopus(EXTINCT)
Miraculidae(incertae sedis)
Miridae(leaf bugs, plant bugs)
Miroblatta(incertae sedis)
Mirza coquereli(Coquerel's dwarf lemur)
Miscellaneous fossil Old World deer(EXTINCT) (non-monophyletic)
Miscellaneous fossil artiodactyls(EXTINCT) (non-monophyletic)
Miscellaneous fossil bovids(EXTINCT) (non-monophyletic)
Miscellaneous fossil cervids(EXTINCT) (non-monophyletic)
Miscellaneous fossil pecorans(EXTINCT) (non-monophyletic)
Mischoptera(EXTINCT)
Mitactis Australiae[sic] Haddon and Duerden 1896
Mitactis similisHaddon and Duerden 196 [sic]
Mitilanotherium(EXTINCT)
Mitu(Crestless Curassow and relatives)
Mitu(Crestless Curassow and relatives)
M-mitu(Alagoas Curassow)
M-salvini(Salvin's Curassow)
M-tomentosum(Crestless Curassow)
M-tuberosum(Raxor-billed Curassow)
Mixodectidae(EXTINCT)
Mixopteridae(EXTINCT)
Mixopteroidea(EXTINCT)
Mixtotheriidae(EXTINCT)
Mnesarchaeidae(New Zealand primitive moths)
Moclaybalistidae(EXTINCT)
Moduza(incertae sedis)
Moeritheriidae(EXTINCT)
Molarochoerus(EXTINCT)
Mollusca(snails, clams, squids, etc.)
Molossidae(Free-tailed Bats)
Molothrus
M-aeneus(Bronzed Cowbird)
M-ater(Brown-headed Cowbird)
M-bonariensis(Shiny Cowbird)
M-oryzivora(Giant Cowbird)
M-rufoaxillaris(Screaming Cowbird)
Molpadiida(rat-tailed sea cucumbers)
Moltenocupes townrowi(EXTINCT)
Momotidae(motmots)
Momphidae(mompha moths)
Monachister(1 species)
Monarchidae(monarch flycatchers)
Monias benschi(Subdesert Mesite)
Monocotyledons(lilies, orchids, palms, grasses, and their relatives)
Monodontidae(narwhale and beluga)
Monoplacophora(Tryblidia)
Monostilifera(monophyly uncertain)
Monotomidae(root-eating beetles)
Monotremata(platypus, echidnas)
Monsteropterum(EXTINCT) (incertae sedis)
Montanarophyllia(EXTINCT)
Montlivaltiidae(EXTINCT)
Monyx(EXTINCT)
Mopsus(Old World)
Moraceae(mulberry or fig family)
Moravia(EXTINCT)
Moraviptera(EXTINCT)
Moravocoleus permianus(EXTINCT)
Moravohymen(EXTINCT)
Mordellidae(tumbling flower beetles)
Morenelaphus(EXTINCT)
Morenocetus(EXTINCT)
Morina(monophyly uncertain)
Morionini(monophyly uncertain)
Mormoopidae(Mustached Bats)
Morpho
M-absoloni(incertae sedis)
M-athena(incertae sedis)
M-lympharis(incertae sedis)
M-menelaus(monophyly uncertain)
M-niepelti(incertae sedis)
M-rhodopteron(incertae sedis)
M-richardus(incertae sedis)
M-uraneis(incertae sedis)
M-zephyritis(incertae sedis)
Morphopsis(incertae sedis)
Morus
M-bassanus(Northern Gannet)
M-capensis(Cape Gannet)
M-serrator(Australasian Gannet)
Moschidae(musk deer)
Moschiola meminna(Indian spotted chevrotain)
Moschus berezovskii(Chinese forest musk deer)
Moschus chrysogaster(Alpine musk deer)
Moschus cupreus(Kashmir musk deer)
Moschus fuscus(black musk deer or dusky musk deer)
Moschus leucogaster(Himalayan musk deer or white-bellied musk deer)
Moschus moschiferus(Siberian musk deer )
Motacillidae(pipits and wagtails)
Mugiliformes(grey mullets)
Mullerornis(EXTINCT)
Multicilia(genus of heterotrophic flagellates)
Multituberculata(EXTINCT)
Muntiacus
M-atherodes(Bornean yellow muntjac)
M-crinifrons(black muntjac)
M-feae(Fea's muntjac)
M-gongshanensis(Gongshan muntjac)
M-leilaoensis(EXTINCT)
M-muntjak(Indian muntjac)
M-putaoensis(little leaf muntjac)
M-reevesi(Chinese muntjac)
M-rooseveltorum(Roosevelt's muntjac)
M-truongsonensis(Truongson muntjac)
Murinae(Old World mice and rats, whistling rats)
Muroidea(mice, rats, hamsters, gerbils, voles, lemmings)
Muscicapidae(Old World flycatchers)
Musophagiformes(Turacos, Go-away-birds, Plantain-eaters)
Mustelidae(weasels, otters, ferrets, badgers, skunks, wolverines, etc.)
Mutillidae(velvet ants)
Muva(EXTINCT)
Mycetophagidae(hairy fungus beetles)
Mycopteropoidea(EXTINCT)
Mycteridae(palm beetles, flower beetles)
Mycteropidae(EXTINCT)
Myctophidae(lanternfishes)
Mydidae(Mydas flies)
Mygalomorphae(tarantulas, trapdoor spiders, etc.)
Mylohyus(EXTINCT)
Mymoorapelta(EXTINCT)
Myonanthus
M-ambiguusMc Murrich [sic] 1893
M-bankamensisCarlgren 1928
MyopsidaNaef, 1916
Myorycteropus(EXTINCT)
Myotragus(EXTINCT)
Myriactis tubicolaHaddon 1888
Myricaceae(bayberry family)
Myristicaceae(nutmeg family)
Myrmeciinae(bulldog ants, etc.)
Myrmecocystus
M-christineae(incertae sedis)
M-colei(incertae sedis)
M-ewarti(incertae sedis)
M-hammettensis(incertae sedis)
M-intonsus(incertae sedis)
M-kathjuli(incertae sedis)
M-koso(incertae sedis)
M-lugubris(incertae sedis)
M-melanoticus(incertae sedis)
M-melliger (Llave)(incertae sedis)
M-melliger Forel(incertae sedis)
M-navajo(incertae sedis)
M-pyramicus(incertae sedis)
M-semirufus(incertae sedis)
M-snellingi(incertae sedis)
M-tenuinodis(incertae sedis)
Myrmecorhynchini(monophyly uncertain)
Myrmeosaprinus(3 species)
Myrmetes(1 species)
Myrmicinae(leafcutter ants, fire ants, etc.)
Myrmicini(harvester ants, etc.)
Myrtaceae(myrtle family)
Mystacinidae(Short-Tailed Bats)
Mysticeti(baleen whales)
Mystromyinae(South African white-tailed rat)
Mytilinidaceae(monophyly uncertain)
Myxinikela(EXTINCT)
Myxozoa(incertae sedis)
Myzopodidae(Old World Sucker-footed Bats)
Nabidae(damsel bugs)
Naemorhedus(gorals and serows)
Naemorhedus(gorals and serows)
N-baileyi(red goral)
N-caudatus(Chinese goral)
N-crispus(Japanese serow)
N-goral(goral)
N-sumatraensis(serow)
N-swinhoei(Taiwan serow)
Namachoerus(EXTINCT)
Namibiomeryx(EXTINCT)
Nandiniidae(African palm civets)
Nannocurculionites carlsoni(EXTINCT) (incertae sedis)
Nanognathia(incertae sedis)
Nanomantinae(non-monophyletic)
Nanotitan(EXTINCT)
NarrowteuthisYoung and Vecchione, 2005
Nasutitermitinae(non-monophyletic)
Natalidae(Funnel-eared Bats)
Naticoidea(moon shells)
Naucoridae(creeping water bugs)
Navahoceros(EXTINCT)
Neacomys(spiny rice rats)
Necromanis(EXTINCT)
Necronecctes(EXTINCT)
Necronectinae(EXTINCT)
Necrotauliidae(EXTINCT) (incertae sedis)
Nectariniidae(sunbirds)
Nectomys(Neotropical water rats)
NectoteuthisVerrill, 1883
Nectothela liliaeVerrill 1928
Nectridea(EXTINCT)
Necturus krausei(EXTINCT)0(incertae sedis)
Neeyambaspis(EXTINCT)
Nelidus(incertae sedis)
Nelumbo(lotus flowers)
Nemanthus annamensisCarlgren 1943
Nemanthus californicusCarlgren 1940
Nematocentropus(= Archepiolus)
Nematoda(roundworms)
NematolampasBerry, 1913
NematolampasBerry, 1913
N-regalisBerry, 1913
N-venezuelensisArocha, 2003
Nematomorpha(horsehair worms)
Nematostella
N-pellucidaCrowell 1946
N-vectensisStephenson 1935
Nemertea(ribbon worms)
Nemonychidae(pine flower snout beetles)
Neoaves(most modern birds)
Neoceratiidae(Needlebeard Seadevils)
Neochen jubata(Orinoco Goose)
Neochordodes(non-monophyletic)
Neocrex(Colombian Crake and Paint-billed Crake)
Neocrex(Colombian Crake and Paint-billed Crake)
N-colombiana(Colombian Crake)
N-erythrops(Paint-billed Crake)
Neofouquea(EXTINCT)
Neohister(1 species)
Neolepidoptera(most moths and butterflies)
Neomaenas(incertae sedis)
Neomaniola(incertae sedis)
Neomegaloceros(EXTINCT)
Neopachylopus(~4 species)
Neopedaliodes(incertae sedis)
Neopelatopini(monophyly uncertain)
Neophellia
N-mutsuensisUchida 1939
Neopseustidae(archaic bell moths)
Neoptera(bugs, beetles, wasps, moths, flies, etc.)
Neornithes(modern birds)
NeorossiaBoletzky, 1971
Neosantalus(1 species)
Neoscopelidae(blackchins)
NeoteuthidaeNaef, 1921
NeoteuthisNaef, 1921
Neotheoridae(Amazonian primitive ghost moths)
Neotis(Denham's Bustard and relatives)
Neotis(Denham's Bustard and relatives)
N-denhami(Denham's Bustard)
N-heuglinii(Heuglin's Bustard)
N-ludwigii(Ludwig's Bustard)
N-nuba(Nubian Bustard)
Neotominae(North American mice and rats)
Neotragocerus(EXTINCT)
Neotragus(dwarf antelopes)
Neotragus(dwarf antelopes)
N-batesi(dwarf antelope)
N-moschatus(suni)
N-pygmaeus(royal antelope)
Nephasoma(non-monophyletic)
Nephridiophagids(parasitic protists)
Nephrocerinae(monophyly uncertain)
Nephrocerus
N-oligocenicus(EXTINCT)
Nephromyces(incertae sedis)
Nepidae(waterscorpions)
Nepomorpha(waterscorpions, giant water bugs, toad bugs, water boatmen, backswimmers)
Nepticulidae(minute eye-cap moths)
Neriacanthus purdieanusBenth.
Neruda
N-godmani(incertae sedis)
Nesasio solomonensis(Fearful Owl)
Nesoclopeus(Woodford's Rail and Bar-winged Rail)
Nesoclopeus(Woodford's Rail and Bar-winged Rail)
N-poecilopterus(Bar-winged Rail)
N-woodfordi(Woodford's Rail)
Nesogoral(EXTINCT)
Nesoleipoceros(EXTINCT)
Nesomyinae(Malagasy rats and mice)
Nesophontidae(EXTINCT) (West Indian shrews)
Nesopsar nigerrimus(Jamaican Blackbird)
Nesoryzomys(Galapagos rice rats)
Netta(Red-crested Pochard and relatives)
Netta(Red-crested Pochard and relatives)
N-erythrophthalma(Southern Pochard)
N-peposaca(Rosy-billed Pochard)
N-rufina(Red-crested Pochard)
Nettapus(Pygmy Geese)
Nettapus(Pygmy Geese)
N-auritus(African Pygmy Goose)
N-coromandelianus(Cotton Pygmy Goose)
N-pulchellus(Green Pygmy Goose)
Neuburgia(EXTINCT) (incertae sedis)
Neuroptera(lacewings, antlions, owflies, etc.)
Neurorthidae0(incertae sedis)
Neusibatrachus(EXTINCT)
Neusticomys mussoi(incertae sedis)
Neusticomys oyapocki(incertae sedis)
Neusticomys peruviensis(incertae sedis)
New Guinea group(monophyly uncertain)
Newjersevania(EXTINCT)
Nguruwe(EXTINCT)
Nicator(nicators)
Nimravidae(EXTINCT) (false saber-tooths)
Ninox(Boobooks, Hawk-owls)
Ninox(Boobooks, Hawk-owls)
N-affinis(Andaman Hawk-Owl)
N-boobook(Southern Boobook)
N-burhani(Togian Boobook)
N-connivens(Barking Boobook)
N-ios(Cinnabar Boobook)
N-jacquinoti(Solomons Boobook)
N-meeki(Manus Boobook)
N-natalis(Christmas Boobook)
N-novaeseelandiae(Morepork)
N-ochracea(Ochre-bellied Boobook)
N-odiosa(Spangled Boobook)
N-philippensis(Philippine Hawk-Owl)
N-punctulata(Speckled Boobook)
N-rudolfi(Sumba Boobook)
N-rufa(Rufous Boobook)
N-scutulata(Brown Hawk-Owl)
N-squamipila(Moluccan Boobook)
N-strenua(Powerful Boobook)
N-sumbensis(Little Sumba Hawk-Owl)
N-superciliaris(White-browed Hawk-Owl)
N-theomacha(Jungle Boobook)
N-variegata(Barred Boobook)
Niobrarasaurus(EXTINCT)0(incertae sedis)
Nisidorcas(EXTINCT)
Nitidulidae(sap beetles)
Nitrospira(includes nitrite-oxidizers, thermophilic sulfate reducers, and acidophilic iron oxidizers)
Noctilionidae(Bulldog Bats)
Noctuidae(owlet moths)
Noctuoidea(owlet moths, tiger moths, prominent moths, and relatives)
Nodocephalosaurus(EXTINCT)0(incertae sedis)
Nodosauridae(EXTINCT)
Nodosaurus(EXTINCT)0(incertae sedis)
Nomadinae(cuckoo bees)
Nomonyx dominicus(Masked Duck)
Noonilla copiosa(incertae sedis)
Norbertia(EXTINCT)
Notacanthidaespiny eels
Notherobius(incertae sedis)
Nothocercus(Tawny-breasted Tinamou and relatives)
Nothocercus(Tawny-breasted Tinamou and relatives)
N-bonapartei(Highland Tinamou)
N-julius(Tawny-breasted Tinamou)
N-nigrocapillus(Hooded Tinamou)
Nothocrax urumutum(Nocturnal Curassow)
Nothokemas(EXTINCT) (incertae sedis)
Nothomyrmica(EXTINCT) (incertae sedis)
Nothomyrmica(EXTINCT) (incertae sedis)
N-intermedia(EXTINCT)
N-petiolata(EXTINCT)
N-rudis(EXTINCT)
N-rugosostriata(EXTINCT)
Nothoprocta(Curve-billed Tinamou and relatives)
Nothoprocta(Curve-billed Tinamou and relatives)
N-cinerascens(Brushland Tinamou)
N-curvirostris(Curve-billed Tinamou)
N-kalinowskii(Kalinowski's Tinamou)
N-ornata(Ornate Tinamou)
N-pentlandii(Andean Tinamou)
N-perdicaria(Chilean Tinamou)
N-taczanowskii(Taczanowski's Tinamou)
Nothotylopus(EXTINCT)
Nothura(Nothuras)
Nothura(Nothuras)
N-boraquira(White-bellied Nothura)
N-chacoensis(Chaco Nothura)
N-darwinii(Darwin's Nothura)
N-maculosa(Spotted Nothura)
N-minor(Lesser Nothura)
Notiocetus(EXTINCT)
Notobatrachus degiustoi(EXTINCT) (incertae sedis)
Notochoerus(EXTINCT)
Notocupes(EXTINCT)
Notocupoides(EXTINCT)
Notodontidae(prominent moths)
Notoligotoma(Notoligotomidae)
Notonectidae(backswimmers)
Notonomus series(monophyly uncertain)
NotonykiaNesis, Roeleveld and Nikitina 1998
NotonykiaNesis, Roeleveld and Nikitina 1998
N-africanaeNesis, Roeleveld & Nikitina 1998
N-nesisiBolstad 2007
Notorachis(EXTINCT)
Notoryctemorphia(marsupial "moles")
Notosaprinus(1 species)
Notostigmophora(Scutigeromorpha)
Notostraca(shield shrimps)
NototeuthisNesis & Nikitina, 1986
Nucleariidae(amoebae with thin pseudopodia)
Nugaculus(EXTINCT)
Nugator(EXTINCT)
Numida meleagris(Helmeted Guineafowl)
Numidiaphyllida(EXTINCT) (monophyly uncertain)
Numididae(Guinea Fowl)
Numidocapra(EXTINCT)
Numidotheriidae(EXTINCT)
Nuphar(spatterdocks, pond lilies, cow lilies)
Nyanzachoerus(EXTINCT)
Nyanzameryx(EXTINCT)
Nycteridae(Slit-faced bats)
Nyctibiidae(Potoos)
Nycticeboides simpsoni(EXTINCT)
Nyctidromus albicollis(Pauraque)
Nyctiphruretia(EXTINCT)
Nyctiphrynus(Eared Poorwill and relatives)
Nyctiphrynus(Eared Poorwill and relatives)
N-mcleodii(Eared Poorwill)
N-ocellatus(Ocellated Poorwill)
N-rosenbergi(Choco Poorwill)
N-yucatanicus(Yucatan Poorwill)
Nyctiprogne(Band-tailed Nighthawk and Plain-tailed Nighthawk)
Nyctiprogne(Band-tailed Nighthawk and Plain-tailed Nighthawk)
N-leucopyga(Plain-tailed Nighthawk)
N-vielliardi(Band-tailed Nighthawk)
Nyctitheriidae(EXTINCT)
Nymphaea(water lilies)
Nymphaeaceae(water lilies and their relatives)
Nymphalidae(browns, fritillaries, admirals, and monarchs)
Nyujwa(EXTINCT) (incertae sedis)
Oboria(EXTINCT)
Oborocoleidae(EXTINCT)
Oborocoleus(EXTINCT)
Occithrissopidae(EXTINCT)
Oceanitidae(storm-petrels)
Ochnaceae(monophyly uncertain)
Ochotonidae(pikas, mouse hares, conies)
Ochtebiites(EXTINCT)
Ochteridae(velvety shore bugs)
Octineon lindahli(Carpenter) Fowler 1894
Octineon suecicumCarlgren 1940
OctopodaLeach, 1818
OctopodidaeOrbigny, 1839
OctopodiformesBerthold and Engeser, 1987(vampire squid and octopods)
OctopoteuthidaeBerry 1912
OctopoteuthisRuppell 1844
OctopoteuthisRuppell 1844
O-deletronYoung, 1972
Octopus (sensu strictu)Cuvier, 1797*
Ocyalus latirostris(Band-tailed Oropendola)
OcythoidaeGray 1849
Odocoileus(mule deer and white-tailed deer)
Odocoileus(mule deer and white-tailed deer)
O-hemionus(mule deer)
O-virginianus(white-tailed deer)
Odoichoerus(EXTINCT)
Odonata(dragonflies and damselflies)
Odontoceti(toothed whales, dolphins, porpoises) (monophyly uncertain)
Odontophoridae(New World Quail)
Odontophorus(Wood Quail)
Odontophorus(Wood Quail)
O-atrifrons(Black-fronted Wood Quail)
O-balliviani(Stripe-faced Wood Quail)
O-capueira(Spot-winged Wood Quail)
O-columbianus(Venezuelan Wood Quail)
O-dialeucos(Tacarcuna Wood Quail)
O-erythrops(Rufous-fronted Wood Quail)
O-gujanensis(Marbled Wood Quail)
O-guttatus(Spotted Wood Quail)
O-hyperythrus(Chestnut Wood Quail)
O-leucolaemus(Black-breasted Wood Quail)
O-melanonotus(Dark-backed Wood Quail)
O-melanotis(Black-eared Wood Quail)
O-speciosus(Rufous-breasted Wood Quail)
O-stellatus(Starred Wood Quail)
O-strophium(Gorgeted Wood Quail)
Oecomys(bicolored rice rats)
Oecophoridae(concealer moths) (monophyly uncertain)
Oecophylla(weaver ants)
Oecophylla(weaver ants)
O-atavina(EXTINCT)
O-bartoniana(EXTINCT)
O-brischkei(EXTINCT)
O-crassinoda(EXTINCT)
O-leakeyi(EXTINCT)
O-longinoda(African weaver ant)
O-megarche(EXTINCT)
O-obesa(EXTINCT)
O-perdita(EXTINCT)
O-praeclara(EXTINCT)
O-sicula(EXTINCT)
O-smaragdina(Asian-Australian weaver ant)
O-superba(EXTINCT)
Oedemeridae(false blister beetles)
Oedipodiaceae(incertae sedis)
OegopsidaOrbigny, 1845
Oesia disjuncta(EXTINCT) (Middle Cambrian) (incertae sedis)
Ogcocephalidae(Batfishes)
Ohleriella(incertae sedis)
Oioceros(EXTINCT)
Okapia johnstoni(okapi)
Olacaceae(non-monophyletic)
Old World Justicioids(non-monophyletic)
Olea(non-monophyletic)
Oleaceae(olive family)
Oligodonta(EXTINCT)
Oligokalotermes fischeri(EXTINCT) (Lower Oligocene of France)
Oligosemia(EXTINCT)0(incertae sedis)
Oligotoma(Oligotomidae)
Olonbulukia(EXTINCT)
Olympicomys(EXTINCT) (incertae sedis)
Omalosoma series(=Trichosternus series) (monophyly uncertain)
Omethidae(false soldier beetles, false firefly beetles)
Omma
O-aberratum(EXTINCT)
O-altajense(EXTINCT)
O-antennatum(EXTINCT)
O-avus(EXTINCT)
O-brevipes(EXTINCT)
O-gobiense(EXTINCT)
O-jurassicum(EXTINCT)
O-liassicum(EXTINCT)
O-pilosum(EXTINCT)
O-sibiricum(EXTINCT)
O-zitteli(EXTINCT)
OmmastrephidaeSteenstrup 1857
OmmastrephinaePosselt 1891
Omoglymmius
O-hesperus(incertae sedis)
O-lederi(incertae sedis)
O-multicarinatus0(incertae sedis)
O-opacus0(incertae sedis)
Omotropis(1 species)
Onagraceae(evening primrose family)
Onchnesoma(incertae sedis)
Oncobrya decepta(EXTINCT)
Oneirodidae(Dreamers)
Onthophilinae(non-monophyletic)
Onychodontiformes(EXTINCT) (incertae sedis)
Onychojapyx schmidti(EXTINCT) (Paleocene - Pliocene of Arizona, USA) (incertae sedis)
Onychophora(velvet worms)
OnychoteuthidaeGray, 1849
OnychoteuthisLichtenstein, 1818
OnychoteuthisLichtenstein, 1818
O-banksiiLeach, 1817
O-borealijaponicaOkada, 1927
O-compacta(Berry, 1913)
O-meridiopacificaRancurel & Okutani, 1990
OnykiaLesueur, 1821
OnykiaLesueur, 1821
O-aequatorialis(Thiele 1920)
O-carriboeaLesueur, 1821
O-ingens(Smith, 1881)
O-knipovitchi(Filippova, 1972)
O-loennbergii(Ishikawa and Wakiya 1914)
O-robsoni(Adam, 1962)
O-robusta(Verrill, 1876)
Ootitan(EXTINCT)
Ophiacodontidae(EXTINCT)
Ophidiiformes(pearlfishes and relatives)
Ophiodiscus
O-annulatusR. Hertwig 1882
O-sulcatusR. Hertwig 1882
Ophiuroidea(brittle-stars and basket-stars)
Opiliones(harvestmen, daddy-longlegs)
Opisthocomiformes(Hoatzin)
OpisthoteuthidaeVerrill, 1896
OpisthoteuthisVerrill, 1883
OpisthoteuthisVerrill, 1883
O-agassiziiVerrill, 1883
O-albatrossi(Sasaki, 1920)
O-bruuniVoss, 1982
O-californianaBerry, 1949
O-calypsoVillanueva, Collins, Sanchez and Voss 2002
O-chathamensisO'Shea, 1999
O-depressaIjima & Ikeda, 1895
O-extensaThiele, 1915
O-grimaldiiJoubin, 1903
O-hardyiVillanueva, Collins, Sanchez and Voss 2002
O-massyae(Grimpe, 1920)
O-medusoidesThiele, 1915
O-meroO'Shea, 1999
O-persephoneBerry, 1918
O-philipiiOommen, 1976
O-plutoBerry, 1918
O-robsoniO'Shea, 1999
Opostegidae(white eye-cap moths)
Oractis
O-diomedeaeMc Murrich [sic] 1893
Orangemeryx(EXTINCT)
Orbiculariae(orb weavers, cobweb spiders, widows, etc.)
Orchonoceros(EXTINCT)
Oreamnos americanus(Rocky Mountain goat)
Orectoscelis(non-monophyletic)
Orectoscelis(non-monophyletic)
O-attenuatusDégallier & Caterino
O-aurolepidusCaterino
O-blackburniDégallier & Caterino
O-circularisCaterino
O-duboulaii(Westwood)
O-dumogaeCaterino
O-halmaheraeDégallier & Caterino
O-howdeniDégallier & Caterino
O-humeralisLewis
O-kovarikiDégallier & Caterino
O-marginicollisDégallier & Caterino
O-obliquusCaterino
O-okeiDégallier & Caterino
O-peninsularisDégallier & Caterino
O-punctatusCaterino
O-shihoaeNishikawa
O-ubirrDégallier & Caterino
O-westwoodiDégallier & Caterino
Oreoica(crested bellbird)
Oreonagor(EXTINCT)
Oreophasis derbianus(Horned Guan)
Oreortyx pictus(Mountain Quail)
Oreotragus oreotragus(klipspringer)
Oriolidae(Old World orioles)
Ornithischia(EXTINCT) (bird-hipped plant-eating dinosaurs)
Ornitholestes(EXTINCT)
Ornithomimidae(EXTINCT) (ostrich-like dinosaurs)
Ornithopoda(EXTINCT) (duckbills, Iguanodon, heterodontosaurids, hypsilophodontids, and relatives)
Ornithorhynchus anatinus(platypus)
Ornithosuchidae(EXTINCT)
Orobanchaceae(broomrape family)
Oromerycidae(EXTINCT)
Ortalis(Chachalacas)
Ortalis(Chachalacas)
O-araucuan(East Brazilian Chachalaca)
O-canicollis(Chaco Chachalaca)
O-cinereiceps(Grey-headed Chachalaca)
O-columbiana(Colombian Chachalaca)
O-erythroptera(Rufous-headed Chachalaca)
O-garrula(Chestnut-winged Chachalaca)
O-guttata(Speckled Chachalaca)
O-leucogastra(White-bellied Chachalaca)
O-motmot(Little Chachalaca)
O-poliocephala(West Mexican Chachalaca)
O-ruficauda(Rufous-vented Chachalaca)
O-ruficeps(Chestnut-headed Chachalaca)
O-squamata(Scaled Chachalaca)
O-superciliaris(Buff-browed Chachalaca)
O-vetula(Plain Chachalaca)
O-wagleri(Rufous-bellied Chachalaca)
Ortelytron(EXTINCT)
Ortheziidae(ensign coccids)
Orthonychidae(logrunners)
Orthophyia longa(EXTINCT)0(incertae sedis)
Orthoptera(grasshoppers, crickets, katydids, etc.)
Oryx dammah(scimitar-horned oryx)
Oryx gazella(gemsbok)
Oryx leucoryx(Arabian oryx)
Oryzomyini(rice rats, spiny mice, marsh rats)
Oryzomys(rice rats) (non-monophyletic)
Oryzorictes(rice tenrecs)
Oryzorictes(rice tenrecs)
O-hova(Hova rice tenrec)
O-talpoides(molelike rice tenrec)
O-tetradactylus(four-toed rice tenrec)
Oryzorictinae(monophyly uncertain)
Osbornoceros(EXTINCT)
Oschinotherium(EXTINCT)
Oscines(Complex voice box, worldwide distribution)
Osmanthus(non-monophyletic)
Osmylidae0(incertae sedis)
Ostariophysicarps and minnows, suckers, piranhas, eletric eels, catfishes
Osteoglossomorphabony tongues, butterfly fish, mooneye, featherbacks, elephant fishes
Osteolepimorpha(EXTINCT)
Osteostraci(EXTINCT)
Ostracoda(seed shrimps)
Otariidae(sea lions, eared seals, fur seals)
Otididae(Bustards)
Otis tarda(Great Bustard)
Otlestidae(EXTINCT)
Ototyphlonemertidae(monophyly uncertain)
Ottoceros(EXTINCT)
Otus(Scops Owls)
Otus(Scops Owls)
O-alfredi(Flores Scops Owl)
O-alius(Nicobar Scops Owl)
O-angelinae(Javan Scops Owl)
O-bakkamoena(Collared Scops Owl)
O-balli(Andaman Scops Owl)
O-beccarii(Biak Scops Owl)
O-brookii(Rajah Scops Owl)
O-brucei(Pallid Scops Owl)
O-collari(Sangihe Scops Owl)
O-elegans(Ryukyu Scops Owl)
O-fuliginosus(Palawan Scops Owl)
O-hartlaubi(Sao Tome Scops Owl)
O-icterorhynchus(Sandy Scops Owl)
O-insularis(Seychelles Scops Owl)
O-ireneae(Sokoke Scops Owl)
O-longicornis(Luzon Scops Owl)
O-madagascariensis(Torotoroka Scops Owl)
O-magicus(Moluccan Scops Owl)
O-manadensis(Sulawesi Scops Owl)
O-mantananensis(Mantanani Scops Owl)
O-mayottensis(Mayotte Scops Owl)
O-megalotis(Philippine Scops Owl)
O-mentawi(Mentawai Scops Owl)
O-mindorensis(Mindoro Scops Owl)
O-mirus(Mindanao Scops Owl)
O-moheliensis(Moheli Scops Owl)
O-pauliani(Karthala Scops Owl)
O-pembaensis(Pemba Scops Owl)
O-rufescens(Reddish Scops Owl)
O-rutilus(Rainforest Scops Owl)
O-sagittatus(White-fronted Scops Owl)
O-scops(Eurasian Scops Owl)
O-senegalensis(African Scops Owl)
O-siaoensis(Siau Scops Owl)
O-silvicola(Wallace's Scops Owl)
O-spilocephalus(Mountain Scops Owl)
O-sulaensis(Sula Scops Owl )
O-sunia(Oriental Scops Owl)
O-thilohoffmanni(Serendib Scops Owl)
O-umbra(Simeulue Scops Owl)
Oulactis Danae[sic] Duchassaing and Michelotti 1860
Oulactis californicaMc Murrich [sic] 1893
Oulactis conquilegaDuchassaing and Michelotti 1860
Oulactis plicataHutton 1878
Oulactis radiataDuchassaing and Michelotti 1860
Ourebia ourebi(oribi)
Ouzocerus(EXTINCT)
Ovibos moschatus(muskox)
Oviparosiphidae(EXTINCT)
Oviraptorosauria(EXTINCT)
Ovis(sheep)
Ovis(sheep)
O-ammon(argali)
O-aries(mouflon, feral sheep)
O-canadensis(bighorn sheep)
O-dalli(dall sheep, Dall's sheep, Fannin's sheep, Stone's sheep)
O-nivicola(snow sheep)
O-vignei(urial)
Oxacron(EXTINCT)
Oxalidaceae(wood sorrel family)
Oxycercus(incertae sedis)
Oxydactylus(EXTINCT) (incertae sedis)
Oxyidris antillana(EXTINCT) (incertae sedis)
Oxymonads(several genera of heterotrophic flagellates)
Oxyopidae(lynx spiders)
Oxyruncus(sharpbill)
Oxyura(Stiff-tailed Ducks)
Oxyura(Stiff-tailed Ducks)
O-australis(Blue-billed Duck)
O-ferruginea(Andean Duck)
O-jamaicensis(Ruddy Duck)
O-leucocephala(White-headed Duck)
O-maccoa(Maccoa Duck)
O-vittata(Lake Duck)
Ozaenini(non-monophyletic)
Ozotoceros bezoarticus(pampas deer)
Pachycephalidae(whistlers)
Pachycephalosauria(EXTINCT) (thick-headed dinosaurs)
Pachycondyla(non-monophyletic)
Pachycormiformes(EXTINCT) (Mesozoic fossils) (incertae sedis)
Pachygazella(EXTINCT)
Pachylemur insignis(EXTINCT)
Pachylister(~21 species)
Pachylopus(2 species)
Pachyornis(EXTINCT)
Pachythecalina(EXTINCT)
Pachytragus(EXTINCT)
Paederini
P-incertae sedis(non-monophyletic) (incertae sedis)
Pagyris(monophyly uncertain)
Paimbia(EXTINCT)
Palaeoaphididae(EXTINCT)
Palaeobatrachus(EXTINCT)
Palaeocetus(EXTINCT)
Palaeochiropteryx(EXTINCT)
Palaeochoerinae(EXTINCT)
Palaeochoerus(EXTINCT)
Palaeognathae(tinamous, emus, ostriches, and relatives)
Palaeohatteria(EXTINCT)
Palaeohypsodontus(EXTINCT)
Palaeoisopus problematicus(EXTINCT) (Lower Devonian of Germany)
Palaeolama(EXTINCT)
Palaeoleptochromus(EXTINCT)
Palaeomantis(EXTINCT)
Palaeomastigus(EXTINCT)
Palaeomerycidae(EXTINCT)
Palaeoniscidae(EXTINCT)
Palaeonisciformes(EXTINCT) (paleoniscoids)
Palaeopantopus maucheri(EXTINCT) (Lower Devonian of Germany)
Palaeoplatycerus(EXTINCT)
Palaeopleurodeles(EXTINCT)0(incertae sedis)
Palaeopropithecidae(EXTINCT) (giant sloth lemurs)
Palaeopropithecus ingens(EXTINCT)
Palaeopropithecus maximus(EXTINCT)
Palaeoptilus(EXTINCT)
Palaeoreas(EXTINCT)
Palaeorycteropus(EXTINCT)
Palaeoryctoids(EXTINCT)
Palaeoryx(EXTINCT)
Palaeoscorpiidae(EXTINCT)
Palaeoscorpiones(EXTINCT)
Palaeosepedophilus(EXTINCT)
Palaeosetidae(miniature ghost moths)
Palaeostomatopoda(EXTINCT)
Palaeothea devonica(EXTINCT) (Lower Devonian of Germany)
Palaeotheriidae(EXTINCT)
Palaeothia(EXTINCT)
Palaeotragiscus(EXTINCT)
Palaeotragus(EXTINCT)
Palaeotupaia sivalicus(EXTINCT)
Palaephatidae(Gondwanaland moths)
Palaiotaptus(EXTINCT) (incertae sedis)
Palapteris(EXTINCT) (incertae sedis)
Paleodictyoptera(EXTINCT) (non-monophyletic)
Paleodictyopteroidea(EXTINCT)
Paleolimulus(EXTINCT)
Paleosminthurus juliae(EXTINCT) (incertae sedis)
Paleosterni(EXTINCT)
Paleotermopsis oligocenicus(EXTINCT) (Upper Oligocene of France)
Paleozoic Asteroids(EXTINCT) (non-monophyletic)
Paleuthygramma(EXTINCT)
Paleuthygrammella(EXTINCT)
Paliguana(EXTINCT)
Palmaris(incertae sedis)
Palocyathus(EXTINCT)
Palpigradi(micro whipscorpions)
Pammiges(EXTINCT)
Pamperis(incertae sedis)
Pamphilites(EXTINCT) (incertae sedis)
Pan(chimpanzee and bonobo)
Pan(chimpanzee and bonobo)
P-paniscus(bonobo or pygmy chimpanzee)
P-troglodytes(chimpanzee)
Panchomys(EXTINCT)
Pandionidae(Osprey)
Panoplosaurus(EXTINCT)
Pantachordodes europaeus(incertae sedis)
Pantelosaurus(EXTINCT)
Pantholops hodgsonii(chiru)
Pantobatrisus(EXTINCT)
Panurus(bearded tit)
Papasula abbotti(Abbott's Booby)
Papaveraceae(poppy family)
Papilionidae(swallowtail butterflies)
Papilionoidea(true butterflies)
Parabasalids(several genera of parasitic heterotrophic flagellate)
Parablattelytron(EXTINCT)
Parabrodia(EXTINCT)
Parabubalis(EXTINCT)
Parabunodon(EXTINCT)
Parabuprestites rugulosus(EXTINCT) (incertae sedis)
Paracalliactis
P-michaelsarsiCarlgren 1928
P-stephensoniCarlgren 1928
P-valdiviaeCarlgren 1928
Paraceros(EXTINCT)
Paracervulus(EXTINCT)
Parachleuastochoerus(EXTINCT)
Paracondylactis
P-davydoffiCarlgren 1943
P-sinensisCarlgren 1934
Paracosoryx(EXTINCT)
Paractinostola
P-bulbosaCarlgren 1928
P-capensisCarlgren 1928
Paractis Hemprichi[sic] Klunzinger 1877
Paractis albaStuder 1878
Paractis americanaVerrill 1869
Paractis excavataHertwig 1882
Paractis feraxStuckey 1909
Paractis ignotusLesson 1832
Paractis lineolatusMc Murrich [sic] 1893
Paractis tenuicollisMc Murrich [sic] 1904
Paractis tubuliferaHertwig 1882
Paractis vestitaJohnson 1861
Paractis vinosaMc Murrich [sic] 1893
Paracupes
P-svitkoi(EXTINCT)
Paracurculionites parvulus(EXTINCT) (incertae sedis)
Paradiapha(EXTINCT) (incertae sedis)
Paradicrocerus(EXTINCT)
Paradisaeidae(birds of paradise)
Paradiscoglossus(EXTINCT)
Paradoggeria acuminata(EXTINCT) (incertae sedis)
Paradunbaria(EXTINCT)
Paraedwardsia
P-arenariaCarlgren in Nordgaard 1905
Parageogale(EXTINCT)
Parahalcampa
P-antarcticaCarlgren 1927
Parahygrobiidae(EXTINCT)0(incertae sedis)
Parahypotermes(incertae sedis)
Paralabis(EXTINCT)
Paralitherium(EXTINCT)
Paramecynostoma(EXTINCT) (incertae sedis)
Paramegaptilus(EXTINCT) (incertae sedis)
Parameranoplus primaevus(EXTINCT) (incertae sedis)
Paramiolabis(EXTINCT)
Paramo(incertae sedis)
Paramyrmetes(1 species)
Paramythia(paramythyid berrypeckers)
Paramyxea(parasitic sporozoa)
Paraneuretus(EXTINCT)
Paraneuretus(EXTINCT)
P-longicornis(EXTINCT)
P-tornquisti(EXTINCT)
Parantheoides crassusLeseur 1817
Parantheoides rhododactylaPax 1922
Paranthus erythrosomaPax 1922
Paraphaenogaster(EXTINCT) (incertae sedis)
Paraphaenogaster(EXTINCT) (incertae sedis)
P-microphthalma(EXTINCT)
P-shanwangensis(EXTINCT)
Paraphellia
P-Hunti[sic] Haddon and Shackleton 1893
P-Sanzoi[sic] Calabresi 1926
P-lineataHaddon and Shackleton 1983
Paraphelliactis
P-michaelsarsiCarlgren 1934
P-spinosaCarlgren 1928
Paraphilothis(1 species)
Paraplecoptera(EXTINCT)
Paraplecta0(incertae sedis)
Paraponera(bullet ants)
Paraponera(bullet ants)
P-dieteri(EXTINCT)
Paraprionopelta minima(incertae sedis)
Paraprotoryx(EXTINCT)
Parapseudotragus(EXTINCT)
Pararhagadochir(non-monophyletic)
Parasarpa(incertae sedis)
Parasemionotiformes(EXTINCT) (Mesozoic fossils)
Parasicyonis
P-ingolfiCarlgren 1942
P-antarcticaCarlgren 1949
P-groenlandicaCarlgren 1933
P-sarsiiCarlgren 1921
Parasitengona(velvet mites, water mites, chiggers)
Parasitiformes(Holothyrans, ticks and mesostigmatic mites)
Parasmilia(EXTINCT)
Paraspercheus(EXTINCT) (incertae sedis)
Parastrepsiceros(EXTINCT)
Parastylonuridae(EXTINCT)
Parastylotermes(EXTINCT)
Parasuchia(EXTINCT)
Parategeticula pollenifera(true yucca moths)
Parathesoneura(EXTINCT)
Parathnesidius oculatus(EXTINCT)
Paratisiphone(incertae sedis)
Paratitan(EXTINCT)
Paratylopus(EXTINCT)
Paravolvulus(~10 species)
Pardalotidae(pardalotes)
Pardirallus(Spotted Rail)
Pardirallus(Spotted Rail)
P-maculatus(Spotted Rail)
P-nigricans(Blackish Rail)
P-sanguinolentus(Plumbeous Rail)
Pareiasauria(EXTINCT)
PareledoneRobson, 1932
Parelmoa(EXTINCT)
Parepierus(~26 species)
Parestigorgon(EXTINCT)
Paridae(titmice and chickadees)
Parmularius(EXTINCT)
Paroeneis(incertae sedis)
Paromomyidae(EXTINCT)
Parotermes insignis(EXTINCT) (Oligocene of Colorado, USA)
Paroxacron(EXTINCT)
Parulidae(New World warblers)
Paruralia(EXTINCT)
Parurmiatherium(EXTINCT)
Passandridae(parasitic flat bark beetles)
Passerida
P-e(Old World sparrows)
Passeriformes(perching birds)
Passifloraceae(passionflower family)
Pasternakevia(EXTINCT)
Patagopteryx(EXTINCT)
Patriomanis(EXTINCT)
Patsuia(incertae sedis)
Paucijaculum samamithion(EXTINCT) (Middle Pennsylvanian) (incertae sedis)
Pauciramus(EXTINCT)
Paucituberculata("shrew" opossums)
Pauxi(Helmeted Curassows)
Pauxi(Helmeted Curassows)
P-pauxi(Northern Helmeted Curassow)
P-unicornis(Southern Helmeted Curassow)
Pavlodaria(EXTINCT)
Pavo(Peafowl)
Pavo(Peafowl)
P-cristatus(Indian Peafowl)
P-muticus(Green Peafowl)
Pawpawsaurus(EXTINCT)0(incertae sedis)
Peachia antarcticusPfeffer 1889
Peachia antarcticusPfeffer 1889
P-carneaHutton 1878
P-chilensisCarlgren 1931
P-hastataGosse 1855
P-hilliWilsmore 1911
P-koreniMc Murrich [sic] 1893
P-miraCarlgren 1943
P-neozelanicaCarlgren 1924
P-quinquecapitataMc Murrich [sic] 1913
Peachia tropicaPanikkar 1938
Pearsonomys(incertae sedis)
Pecari tajacu(collared peccary, javelina)
Pecarichoerus(EXTINCT)
Peckidium enigmaticum(incertae sedis)
Pecora(higher ruminants)
Pedetoidae(spring hare)
Pedionomidae(plains-wanderer)
Pedunculata(non-monophyletic)
Peipiaosteidae(EXTINCT)
Pelea capreolus(common rhebock)
Pelecanidae(pelicans)
Pelecaniformes(boobies, cormorants, frigate birds, etc.) (monophyly uncertain)
Peliperdix(Forest Francolin and relatives)
Peliperdix(Forest Francolin and relatives)
P-albogularis(White-throated Francolin)
P-coqui(Coqui Francolin)
P-lathami(Forest Francolin)
P-schlegelii(Schlegel's Francolin)
Pelobionts(several genera of amitochondriate flagellates)
Pelocoetes
P-exulAnnandale 1915
P-minimaPanikkar 1939
Pelodytes
P-arevacus(EXTINCT)
Pelophilus(EXTINCT)
Peltaspermaceae(EXTINCT)
Peltocoleops(EXTINCT)
Peltoperlodes(incertae sedis)
Peltoperlopsis(incertae sedis)
Peltopleuridae(EXTINCT)
Penelope(Band-tailed Guan and relatives)
Penelope(Band-tailed Guan and relatives)
P-albipennis(White-winged Guan)
P-argyrotis(Band-tailed Guan)
P-barbata(Bearded Guan)
P-dabbenei(Red-faced Guan)
P-jacquacu(Spix's Guan)
P-jacucaca(White-browed Guan)
P-marail(Marail Guan)
P-montagnii(Andean Guan)
P-obscura(Dusky-legged Guan)
P-ochrogaster(Chestnut-bellied Guan)
P-ortoni(Baudo Guan)
P-perspicax(Cauca Guan)
P-pileata(White-crested Guan)
P-purpurascens(Crested Guan)
P-superciliaris(Rusty-margined Guan)
Penelopina nigra(Highland Guan)
Penicillata(bristly millipedes)
Penitus(EXTINCT) (incertae sedis)
Pentactinia
P-californicaCarlgren 1900
Pentastomida(tongue worms) (incertae sedis)
Pentatomidae(stink bugs, soldier bugs)
Pentatomoidea(stink bugs, burrower bugs, shield-back bugs)
Pentatomomorpha(flat bugs, stink bugs, seed bugs, leaf-footed bugs, scentless plant bugs)
Pentila section(monophyly uncertain)
Pentila section(monophyly uncertain)
P-tropicalisthe Spotted Buff
Pentoxylales(EXTINCT)
Peracarida(amphipods, isopods, mysids, etc.)
Peramelemorphia(bandicoots and bilbies)
Perchoerus(EXTINCT)
'Perciformes'(non-monophyletic)
Percomorpha(flyingfishes, silversides, basses, tunas and allies)
Percopsiformes(trout-perches and relatives)
Perdicula(Bush Quail)
Perdicula(Bush Quail)
P-argoondah(Rock Bush Quail)
P-asiatica(Jungle Bush Quail)
P-erythrorhyncha(Painted Bush Quail)
P-manipurensis(Manipur Bush Quail)
Perdix(Grey Partridge and relatives)
Perdix(Grey Partridge and relatives)
P-dauurica(Daurian Partridge)
P-hodgsoniae(Tibetan Partridge)
P-perdix(Grey Partridge)
Perissodactyla(horses, tapirs, rhinoceroses)
Perleididae(EXTINCT)
Perleidiformes(EXTINCT)
Permelytron(EXTINCT)
Permelytropsis(EXTINCT)
Permiakovia(EXTINCT)
Permobiella(EXTINCT)
Permocupedidae(EXTINCT)
Permocupes(EXTINCT)
Permodelopterum(EXTINCT)
Permodiapha(EXTINCT) (incertae sedis)
Permohymen(EXTINCT)
Permophilus(EXTINCT)
Permothemidia(EXTINCT)
Permothemis(EXTINCT)
Permothemistida(EXTINCT)
Perochnoristhus(incertae sedis)
Perodicticus potto(potto)
Peromaptera(EXTINCT)
Pertica varia(EXTINCT)
Perunopterum(EXTINCT)
Pesus prognathus(EXTINCT)
Petraeomyrmex minimus(EXTINCT) (incertae sedis)
Petroicidae(Australian robins)
Petromyscinae(rock mice and climbing swamp mouse)
Petrosyne liassica(EXTINCT)
Peucedramus taeniatus(olive warbler)
Phacochoerus(wart hogs)
Phacochoerus(wart hogs)
P-aethiopicus(desert warthog)
PA-aethiopicus(EXTINCT) (Cape warthog)
PA-delamerei(Somali desert warthog)
P-africanus(common warthog)
Phacopida(EXTINCT)
Phaenomys(incertae sedis)
Phaeodarea(a type of radiolaria)
Phaethon aethereus(Red-billed Tropicbird)
Phaethon lepturus(White-tailed Tropicbird)
Phaethon rubricauda(Red-tailed Tropicbird)
Phaethontidae(tropicbirds)
Phagodinium(parasitic flagellates)
Phalacridae(shining flower beetles, shining mold beetles)
Phalacrocoracidae(cormorants)
Phalaenoptilus nuttallii(Common Poorwill)
Phalansterium(genus of heterotrophic flagellates)
Phalcoboenus
P-albogularis(white-throated caracara)
P-australis(striated caracara)
P-carunculatus(carunculated caracara)
P-megalopterus(mountain caracara)
Phaner furcifer(fork-marked mouse lemur )
Phaneroneura(EXTINCT)
Phaneropterinae(Leaf and broad-winged katydids)
Phanerorhynchiformes(EXTINCT)
Pharyngolepis(EXTINCT)
Phasianidae(Chickens, Grouse, Partridges, Quail, Pheasants, etc.)
Phasianus colchicus(Common Pheasant)
Phasmida(Timema, stick and leaf insects)
Phasmodinae(Stick katydids)
Pheidoliphila
P-acutistriaDégallier & Caterino
P-arriagadaiDégallier & Caterino
P-bifidaDégallier & Caterino
P-carbo(Lea)
P-dahlgreniDégallier & Caterino
P-finniganaDégallier & Caterino
P-granulata(Lea)
P-kapleriDégallier & Caterino
P-lackneriDégallier & Caterino
P-macmillaniDégallier & Caterino
P-magnaDégallier & Caterino
P-micraDégallier & Caterino
P-minutaLea
P-oharaiDégallier & Caterino
P-penatiiDégallier & Caterino
P-pseudocephala(Lea)
P-ruginotaDégallier & Caterino
P-rugosaDégallier & Caterino
P-secqiDégallier & Caterino
P-sternalis(Blackburn)
P-storeyiDégallier & Caterino
P-suturalisDégallier & Caterino
P-unitaDégallier & Caterino
P-verityiDégallier & Caterino
P-wenzeliDégallier & Caterino
P-yelamosiDégallier & Caterino
Phellia Devisi[sic] Haddon and Shackleton 1893
Phellia Sollasi[sic] Haddon 1898
Phellia abyssicolaDanielssen 1877
Phellia allanatoidesBourne 1918
Phellia ambonensisKwietniewski 1897
Phellia arcticaVerrill 1868
Phellia brodriciiGosse 1859
Phellia browniWillsmore 1911
Phellia capitataBourne 1918
Phellia castaneaBourne 1918
Phellia cylicodesBourne 1918
Phellia flexibilisDanielssen 1890
Phellia flexibilisDanielssen 1890
P-gausapataGosse 1858
Phellia humilisVerrill 1928
Phellia inequalisVerrill 1868
Phellia limicola[sic] Andres 1880
Phellia margaritaceaDanielssen 1890
Phellia panamensisVerrill 1869
Phellia pectinataHertwig 1882
Phellia phassonesiotesBourne 1918
Phellia pseudoroseniPax 1924
Phellia rapanuiensisCarlgren 1920
Phellia roseniWatzl 1922
Phellia rufaVerrill 1900
Phellia simplexVerrill 1901
Phellia sipunculoidesHaddon and Shackleton 1893
Phellia spitzbergensisDanielssen 1890
Phellia ternatanaKwietniewski 1897
Phellia tubicolusDanielssen 1877
Phellia vermiformisHaddon 1898
Phelliactis
P-algoaensisCarlgren 1928
P-capensisCarlgren 1938
P-hertwigiSimon 1892
P-incertaCarlgren 1934
P-robustaCarlgren 1928
P-siberutiensisCarlgren 1928
P-somaliensisCarlgren 1928
Phelliogeton
P-falklandicusCarlgren 1927
P-kerguelensisCarlgren 1928
Phenacisma0(incertae sedis)
Phengodidae(glowworms)
Phialoba
P-steinbeckiCarlgren 1949
Philaethria
P-constantinoi(incertae sedis)
Philepittidae(asities)
Philiasptilon(EXTINCT) (incertae sedis)
Philippine Old Endemics(cloud rats and forest rats)
Philortyx fasciatus(Banded Quail)
Philothus(~15 species)
Philoxenus(1 species)
Phiomorpha(dassie rats, cane rats)
Phlegra(Holarctic)
Phloeocharinae(non-monophyletic)
Phloeomyzidae(incertae sedis)
Phlyctenactis
P-morrisoniStuckey 1909
P-retiferaStuckey 1909
Phlyctenanthus
P-australisCarlgren 1949
Phocidae(true seals, earless seals, walrus)
Phocoenidae(porpoises)
Phodilus
P-badius(Oriental Bay Owl)
P-prigoginei(Congo Bay Owl)
Phoenicococcidae(date scales)
Phoenicopteriformes(Flamingos)
Phoeniculidae(woodhoopoes)
Pholcidae(daddy-long-leg spiders)
Pholidophoriformes(EXTINCT) (Mesozoic)
Pholidopleuriformes(EXTINCT)
Pholidota(pangolins)
PholidoteuthidaeAdam, 1950
Pholioxenus(~7 species)
Phoratopodidae(F.)
Phoronida(horseshoe worms)
Phoxonotus(~5 species)
Phrynosoma(horned lizards)
Phthiraptera(lice)
Phyllactis
P-cichoraceaHaeckel 1875
Phyllocarida(sea fleas)
Phyllodiscus
P-semoniKwietniewski 1897
Phyllophorinae(Giant leaf katydids)
Phylloscopidae(leaf warblers)
Phyllostomidae(New World Leaf-Nosed Bats)
Phyllotini(leaf-eared mice and relatives)
Phyllotis
P-bonaeriensis(incertae sedis)
P-caprinus(incertae sedis)
P-haggardi(incertae sedis)
P-osgoodi(incertae sedis)
P-xanthopygus(non-monophyletic)
Phymactis inconspicuaHutton 1878
Phymanthus
P-StrandesiCarlgren 1900
P-buitendijkiPax 1924
P-laevisKwietniewski 1898
P-muscosusHaddon and Shackleton 1893
P-pinnulatumMartens (see Klunzinger 1877)
P-sansibaricusCarlgren 1900
P-simplexHaddon and Shackleton 1893
Physcopedaliodes(incertae sedis)
Physeteridae(giant sperm whale)
Physiruellia clade(including Polylychnis)
Phytocoetes chilkaeaAnnandale 1915
Phytocoetes chilkaeaAnnandale 1915
P-gangeticusAnnandale 1915
Phytocoetopsis
P-Ramunni[sic] Panikkar 1936
Phytolaccaceae(pokeweed family) (monophyly uncertain)
Picathartidae(rockfowl)
Picidae(woodpeckers)
Piciformes(woodpeckers and relatives)
PickfordiateuthisVoss, 1953
Piercolias(incertae sedis)
Pieridae(yellow-white butterflies and sulphurs)
Piesmatidae(ash-gray leaf bugs)
Piestinae(non-monophyletic)
PinaceaePine trees and their relatives
Pinacosaurus(EXTINCT)
Piperaceae(pepper family)
Pipile(Piping Guans)
Pipile(Piping Guans)
P-jacutinga(Black-fronted Piping Guan)
P-pipile(Common Piping Guan)
Pipiscius(EXTINCT)
Piprinae(manakins)
Pipunculidae
P-of uncertain placement(non-monophyletic) (incertae sedis)
Pisanosaurus(EXTINCT)
Pisauridae(nursery web spiders, fishing spiders)
Pitohui(pitohuis)
Pittidae(pittas)
Pittsfordipterus(EXTINCT) (incertae sedis)
Pituriaspida(EXTINCT) (incertae sedis)
Pituriaspis(EXTINCT)
Pityomyrmex tornquisti(EXTINCT) (incertae sedis)
Placodermi(EXTINCT) (armored jawed vertebrates)
Placodontia(EXTINCT)
Placophyllia(EXTINCT)
Plagiogramma(~30 species)
Plagiomenidae(EXTINCT)
Plakarthriidae(F.)
Planctomycetes(bacteria with peptidoglycan-less cell walls and budding reproduction)
PlanctoteuthisPfeffer, 1912
PlanctoteuthisPfeffer, 1912
P-danae(Joubin 1931)
P-exopthalmica(Chun 1910)
P-levimana(Lonnberg 1896)
P-lippula(Chun 1908)
P-oligobessaYoung 1972
Planelytron(EXTINCT)
Planodasyidae(non-monophyletic)
Plasmodiophorids(parasitic flagellates)
Platacanthomyinae(Malabar spiny mouse and blind tree mouse) (incertae sedis)
Platanistidae(Ganges/Indus river dolphins)
Platanus(sycamores, plane trees)
Plateosaurus(EXTINCT)
Platephemera(EXTINCT) (incertae sedis)
Platycemas(EXTINCT)
Platycrossos(EXTINCT)
Platycupes(EXTINCT)
Platygonus(EXTINCT)
Platyhelia(EXTINCT)
Platyhelminthes(flatworms, tapeworms, flukes) (incertae sedis)
Platyneuromus
P-species A(1)
Platypsyllinae(mammal-nest beetles, beaver beetles)
Platypthima(incertae sedis)
Platyrrhini(New World monkeys)
Platysiagidae(EXTINCT)
Platysomidae(EXTINCT)
Platytrochopsis(EXTINCT) (incertae sedis)
Plecoptera(stoneflies)
Plectocretacicidae(EXTINCT)
Plectrophenax(snow buntings)
Plectropterus gambensis(Spur-winged Goose)
Pleidae(pygmy backswimmers)
Pleisiogramma(EXTINCT)
Plesiocetus(EXTINCT)
Plesiochelyidae(EXTINCT)
Plesiolycoptera(EXTINCT)
Plesiomeryx(EXTINCT)
Plesiosoricidae(EXTINCT)
Pleurodira(side-necked turtles)
Pleuronectiformes(flatfishes and relatives)
Pleurosternidae(EXTINCT)
Pliauchenia(EXTINCT)
Pliobatrachus(EXTINCT)
Plioceros(EXTINCT)
Pliohyracidae(EXTINCT)
Plioprojapyx primitivus(EXTINCT) (Paleocene - Pliocene of Arizona, USA) (incertae sedis)
Ploceidae(weavers)
Plutellidae(diamondback moths)
Pneumoroideas. n.
Poaceae(grasses)
Podager nacunda(Nacunda Nighthawk)
Podargidae(Frogmouths)
Podargus
P-inexpectatus(Cinnamon Frogmouth)
P-ocellatus(Marbled Frogmouth)
P-papuensis(Papuan Frogmouth)
P-strigoides(Tawny Frogmouth)
Podica senegalensis(African Finfoot)
Podicipediformes(Grebes)
Podostemaceae(incl. Tristichaceae)
Podoxomys(incertae sedis)
Poebrodon(EXTINCT)
Poebrotherium(EXTINCT)
Poeppigia Baudouinia, Eligmocarpus, Mendoravia, (monophyly uncertain)
Pogonomyrmex(harvester ants)
Polacanthidae(EXTINCT)
Polacanthus(EXTINCT)
Polemoniaceae(phlox family)
Polemonipollis majewskii(EXTINCT) (incertae sedis)
Polihierax
P-insignis(white-rumped pygmy falcon)
P-semitorquatus(African pygmy falcon)
Polioptenus(EXTINCT)
Polioptilidae(gnatcatchers)
Polybranchiaspidiformes(EXTINCT) (non-monophyletic)
Polycreagra(EXTINCT)
Polycryptodira(most living turtles)
Polyctenidae(bat bugs)
Polycystinea(a type of radiolaria)
Polyergus(slave-makers)
Polygalaceae(milkwort family, including Xanthophyllaceae)
Polygonaceae(knotweed family)
Polygonia
P-g-argenteum(incertae sedis)
P-giganteum(incertae sedis)
P-interposita(incertae sedis)
Polymixiiformes(beardfishes)
Polyphaga(scarabs, fireflies, ladybirds, weevils, etc.)
Polyphagidae(sand cockroaches)
Polyplacophora(chitons)
Polyplectron(Peacock-Pheasants)
Polyplectron(Peacock-Pheasants)
P-bicalcaratum(Grey Peacock-Pheasant)
P-chalcurum(Bronze-tailed Peacock-Pheasant)
P-germaini(Germain's Peacock-Pheasant)
P-inopinatum(Mountain Peacock-Pheasant)
P-malacense(Malayan Peacock-Pheasant)
P-napoleonis(Palawan Peacock-Pheasant)
P-schleiermacheri(Bornean Peacock-Pheasant)
Polypodiaceae(non-monophyletic)
Polysiphonia tuberosaR. Hertwig 1882
Polysitum(EXTINCT) (incertae sedis)
Polysitus(EXTINCT)
Polysticta stelleri(Steller's Eider)
Polystilifera(monophyly uncertain)
Polystoechotidae0(incertae sedis)
Polystomidium patensHertwig 1882
Polytrichopsida(hair-cap mosses)
Pomatostomidae(Australo-Papuan babblers)
Pompilidae(spider wasps)
Ponerini(monophyly uncertain)
Poneropsis(EXTINCT) (incertae sedis)
Poneropsis(EXTINCT) (incertae sedis)
P-affinis(EXTINCT)
Poneropterus sphecoides(EXTINCT)
Pongo(orangutan)
Ponomarenkia(EXTINCT)
Pontoceros(EXTINCT)
Pontoporiidae(La Plata dolphin, Chinese river dolphin & extinct relatives)
Porifera(sponges) (non-monophyletic)
PoritiiniGems
Porolepimorpha(EXTINCT)
Porophoraspis(EXTINCT)
Porphyridiales*
Porphyrio(Purple Swamphen and relatives)
Porphyrio(Purple Swamphen and relatives)
P-alleni(Allen's Gallinule)
P-flavirostris(Azure Gallinule)
P-hochstetteri(Takahe)
P-madagascariensis(African Swamphen)
P-martinicus(Purple Gallinule)
P-porphyrio(Purple Swamphen)
Porphyroglossum(incertae sedis)
Porponia antarcticusCarlgren 1914
Porponia elongatusR. Hertwig 1882
Porponia robustusR. Hertwig 1882
Portulacaceae(purslane family) (non-monophyletic)
Porzana(Black-tailed Crake and relatives)
Porzana(Black-tailed Crake and relatives)
P-albicollis(Ash-throated Crake)
P-atra(Red-eyed Crake)
P-bicolor(Black-tailed Crake)
P-carolina(Sora)
P-cinerea(White-browed Crake)
P-flaviventer(Yellow-breasted Crake)
P-fluminea(Australian Crake)
P-fusca(Ruddy-breasted Crake)
P-parva(Little Crake)
P-paykullii(Band-bellied Crake)
P-porzana(Spotted Crake)
P-pusilla(Baillon's Crake)
P-spiloptera(Dot-winged Crake)
P-tabuensis(Spotless Crake)
Potamochoeroides(EXTINCT)
Potamochoerus(red river hog and bushpig)
Potamochoerus(red river hog and bushpig)
P-larvatus(bushpig)
P-porcus(red river hog)
Potamogale velox(giant otter shrew)
Potamosiren(EXTINCT)
PraealtusAllcock, Collins, Piatkowski, and Vecchione, 2004
Praeaulacinae(EXTINCT)
Praedamalis(EXTINCT)
Praemegaceros(EXTINCT)
Praeovibos(EXTINCT)
Praepalaeotragus(EXTINCT)
Praepapilio(EXTINCT) (incertae sedis)
Praepapilio(EXTINCT) (incertae sedis)
P-colorado(EXTINCT)
P-gracilis(EXTINCT)
Praepronophila(incertae sedis)
Praesagus capitatus(EXTINCT)
Praesinomegaceros(EXTINCT)
Praevania sculpturata(EXTINCT) (incertae sedis)
Praomys group(African soft-furred rats, striped rats, etc...)
Precis
P-actia(incertae sedis)
P-coelestina(incertae sedis)
P-eurodoce(incertae sedis)
P-frobeniusi(incertae sedis)
P-limnoria(incertae sedis)
P-milonia(incertae sedis)
P-pelarga(incertae sedis)
P-rauana(incertae sedis)
P-silvicola(incertae sedis)
Preptoceras(EXTINCT)
Prestonia(incertae sedis)
Priacma
P-corrupta(EXTINCT)
P-longicapitis(EXTINCT)
P-oculata(EXTINCT)
P-striata(EXTINCT)
Priacmopsis adumbrata(EXTINCT) (incertae sedis)
Priapulida(penis worms)
Priapus giganteumForskal 1775
Priapus polypusForskål 1795
Primates(monkeys, lemurs, gorillas, chimps, humans, etc.)
Primelephas(EXTINCT)
Primulaceae(primrose family) (non-monophyletic)
Prioconodon(EXTINCT)0(incertae sedis)
Prionomyrmex(EXTINCT)
Prionomyrmex(EXTINCT)
P-janzeni(EXTINCT)
P-longiceps(EXTINCT)
Prionopidae(helmet shrikes)
Priscocamelus(EXTINCT) (incertae sedis)
Proacris(EXTINCT)
Proamphiuma cretacea(EXTINCT) (Cretaceous of Montana) (incertae sedis)
Proantilocapra(EXTINCT)
Probainognathidae(EXTINCT)
Proboscidea(elephants, mammoths, mastodons, etc.)
Procambarus
P-(Austrocambarus)
PA-primaevus(EXTINCT)
Procamelus(EXTINCT)
Procamptoceras(EXTINCT)
Procapra(Central Asian gazelles)
Procapra(Central Asian gazelles)
P-gutturosa(Mongolian gazelle)
P-picticaudata(Tibetan gazelle)
P-przewalskii(Przewalski's gazelle)
Procapreolus(EXTINCT)
Procavia capensis(rock hyrax)
Procelariidae(shearwaters, petrels)
Procellariiformes(tube-nosed seabirds)
Procerosoma
P-alini(Shatalkin)
P-prominensLonsdale & Marshall
Procervulus(EXTINCT)
Prochoeradodis enigmaticus(EXTINCT) (Paleocene, Menat, France) (incertae sedis)
Prochoroptera(EXTINCT)
Procobus(EXTINCT)
Procolophonoidea(EXTINCT)
Procretevania pristina(EXTINCT)
Procupes mandibularis(EXTINCT)
Procynops(EXTINCT)0(incertae sedis)
Procynosuchidae(EXTINCT)
Procyonidae(raccoons, kinkajous, coatimundis, lesser panda, etc.)
Prodamaliscus(EXTINCT)
Prodendrogale yunnanica(EXTINCT)
Prodimorphomyrmex primigenius(EXTINCT) (incertae sedis)
Prodiscoglossus(EXTINCT)
Prodoxidae(yucca moths)
Prodoxus(bogus yucca moths) (non-monophyletic)
Prodoxus(bogus yucca moths) (non-monophyletic)
P-phylloryctus0(incertae sedis)
Proelectrotermes(EXTINCT)
Proelectrotermes(EXTINCT)
P-berendti(EXTINCT) (Upper Eocene Baltic amber)
P-fodinae(EXTINCT) (Oligocene of Colorado, USA)
P-roseni(EXTINCT) (Middle Miocene of Germany) (incertae sedis)
Proetida(EXTINCT)
Proeuzkus(monophyly uncertain)
Proganochelys(EXTINCT)
Progiraffa(EXTINCT)
Progonogamia0(incertae sedis)
Progyrosmilia(EXTINCT)
Prohyrax(EXTINCT)
Prokalotermes hageni(EXTINCT) (Oligocene of Colorado, USA)
Prolacertiformes(EXTINCT)
Prolinus(EXTINCT)
PromachoteuthidaeNaef, 1912
Promeropidae(sugarbirds)
Propalaeomeryx(EXTINCT)
Propalaeoryx(EXTINCT)
Propalingenia(EXTINCT) (incertae sedis)
Propelodytes(EXTINCT)
Propotamochoerus(EXTINCT)
Prorastomus(EXTINCT)
Proscalopidae(EXTINCT)
Proscorpiidae(EXTINCT)
Prosepididontidae(EXTINCT)
Prosinotragus(EXTINCT)
Prosirenidae(EXTINCT)0(incertae sedis)
Prosorhochmidae(non-monophyletic)
Prosperocoleus prosperus(EXTINCT)
Prosthennops(EXTINCT)
Prostomidae(jugular-horned beetles)
Prostrepsiceros(EXTINCT)
Protaneuretus succineus(EXTINCT)
Protanisoptera(EXTINCT)
Protanthea
P-simplexCarlgren 1891
Protaspididae(EXTINCT)
Protazteca(EXTINCT) (incertae sedis)
Protazteca(EXTINCT) (incertae sedis)
P-capitata(EXTINCT)
P-elongata(EXTINCT)
P-hendersoni(EXTINCT)
P-quadrata(EXTINCT)
Proteaceae(protea family)
Protelencholax shleei(EXTINCT)
Protelytron(EXTINCT)
Protelytropsis(EXTINCT) (incertae sedis)
Protelytroptera(EXTINCT)
Protenrec(EXTINCT)
Protentomobrya walkeri(EXTINCT)
Proteobacteria(purple bacteria and relatives)
Proterochapmsia(EXTINCT)
Proterosuchia(EXTINCT)
Proteus bavaricus(EXTINCT)0(incertae sedis)
Prothoe
P-layardi(incertae sedis)
Protobalaena(EXTINCT)
Protobalistidae(EXTINCT)
Protocerapterus(EXTINCT)
Protocerapterus(EXTINCT)
P-incola(EXTINCT)
P-primigenius(EXTINCT)
Protoceratidae(EXTINCT)
Protocoleoptera(EXTINCT)
Protocoleus(EXTINCT)
Protocupes(EXTINCT)
Protocupoides(EXTINCT)
Protodiapha(EXTINCT) (incertae sedis)
Protodiplatys(EXTINCT)
Protodonata(EXTINCT)
Protofoenus swinhoei(EXTINCT) (incertae sedis)
Protoformica proformicoides(EXTINCT)
Protognathiidae(F.)
Protohymen(EXTINCT)
Protolabinae(EXTINCT)
Protolabis(EXTINCT)
Protomeropidae(EXTINCT)
Protomeropina(EXTINCT) (non-monophyletic) (incertae sedis)
Protonephrocerus
P-florissantius(EXTINCT)
Protoparevania lourothi(EXTINCT) (incertae sedis)
Protopedaliodes(incertae sedis)
Protoperlaria(EXTINCT)
Protopityales(EXTINCT)
Protopone primigena(EXTINCT) (incertae sedis)
Protopteraspididae(EXTINCT)
Protoreodon(EXTINCT)
Protorothyrididae(EXTINCT) (non-monophyletic)
Protoryx(EXTINCT)
Protoscorpiones(EXTINCT)
Protosiren(EXTINCT)
Prototheoridae(African primitive ghost moths)
Prototherium(EXTINCT)
Prototitan(EXTINCT)
Prototrochocyathus(EXTINCT)
Protoverrallia succinia(EXTINCT)
Protoxenos janzeni(EXTINCT) (Baltic Amber) (incertae sedis)
Protoxerina(oil palm squirrels and sun squirrels) (monophyly uncertain)
Protozygoptera(EXTINCT)
Protragelaphus(EXTINCT)
Protrechina carpenteri(EXTINCT) (incertae sedis)
Protriacanthidae(EXTINCT)
Protrochocyathus(EXTINCT)
Prunellidae(accentors)
Pruvostiella(EXTINCT) (incertae sedis)
Psalixochlaenaceae(EXTINCT)0(incertae sedis)
Psammolimulus gottingensis(EXTINCT)
Psammosteidae(EXTINCT)
Psecas(New World)
Psekupsoceros(EXTINCT)
Psephenidae(water penny beetles)
Pseudactinia
P-variaCarlgren 1938
Pseudalces(EXTINCT)
Pseudarmania(EXTINCT)
Pseudarmania(EXTINCT)
P-aberrans(EXTINCT)
P-rasnitsyni(EXTINCT)
Pseudelmoa(EXTINCT)
Pseudepierus(2 species)
Pseudhormathia
P-bockiCarlgren 1943
Pseudobiella(EXTINCT)
Pseudobranchus robustus(EXTINCT)0(incertae sedis)
Pseudobranchus vetustus(EXTINCT)0(incertae sedis)
'Pseudobunocephalus'
P-'lundbergi'new species
P-amazonicus(Mees, 1989)
P-bifidus(Eigenmann, 1942)
P-iheringii(Boulenger, 1891)
P-quadriradiatus(Mees, 1989)
P-rugosus(Eigenmann & Kennedy, 1903)
Pseudocamponotus elkoanus(EXTINCT)
Pseudochordodes(non-monophyletic)
Pseudococcidae(mealybugs)
Pseudoeotragus(EXTINCT)
Pseudogyna(incertae sedis)
Pseudohemisus(non-monophyletic)
Pseudohydrophilus(EXTINCT)
Pseudois(bharals)
Pseudois(bharals)
P-nayaur(bharal)
P-schaeferi(dwarf bharal)
Pseudolabis(EXTINCT)
Pseudomecynostoma(EXTINCT) (incertae sedis)
Pseudoniscus(EXTINCT)
Pseudoperla gracilipes(EXTINCT)Pictet(incertae sedis)
Pseudoperla lineata(EXTINCT)Pictet(incertae sedis)
Pseudophyllinae(False leaf katydids)
Pseudoscops(Jamaican Owl and relatives)
Pseudoscops(Jamaican Owl and relatives)
P-clamator(Striped Owl)
P-grammicus(Jamaican Owl)
Pseudoscorpiones(pseudoscorpions, bookscorpions)
Pseudosculdidae(EXTINCT)
Pseudosilphites triassicus(EXTINCT) (incertae sedis)
Pseudospora(parasitic amoebo-flagellates)
Pseudotragus(EXTINCT)
Psilophyton dawsonii(EXTINCT)
Psiloscelis(~7 species)
Psilotales(incertae sedis)
Psilothorax(EXTINCT)
Psittaciformes(Parrots)
Psocodea(lice and booklice)
Psocomorpha(bark lice)
Psophia crepitans(Grey-winged Trumpeter)
Psophia leucoptera(Pale-winged Trumpeter)
Psophia viridis(Dark-winged Trumpeter)
Psophiidae(Trumpeters) (incertae sedis)
Psychelytron(EXTINCT)
Psychidae(bagworm moths)
Psychopsis
P-dumigani(incertae sedis)
P-gallardi(incertae sedis)
P-maculipennis(incertae sedis)
P-margarita(incertae sedis)
Psychroptilus(EXTINCT) (incertae sedis)
PsychroteuthidaeThiele 1920
Psyllidae(psyllids, jumping plantlice)
Ptelina
P-carnutathe Bordered Buff
Ptenophilothis(2 species)
Pteraspididae(EXTINCT)
Pteraspidomorphi(EXTINCT)
Pteridaceae(non-monophyletic)
Pternistis(Scaly Francolin and relatives)
Pternistis(Scaly Francolin and relatives)
P-adspersus(Red-billed Spurfowl)
P-afer(Red-necked Spurfowl)
P-ahantensis(Ahanta Francolin)
P-bicalcaratus(Double-spurred Francolin)
P-camerunensis(Mount Cameroon Francolin)
P-capensis(Cape Spurfowl)
P-castaneicollis(Chestnut-naped Francolin)
P-clappertoni(Clapperton's Francolin)
P-erckelii(Erckel's Francolin)
P-griseostriatus(Grey-striped Francolin)
P-hartlaubi(Hartlaub's Spurfowl)
P-harwoodi(Harwood's Francolin)
P-hildebrandti(Hildebrandt's Francolin)
P-icterorhynchus(Heuglin's Francolin)
P-jacksoni(Jackson's Francolin)
P-leucoscepus(Yellow-necked Spurfowl)
P-natalensis(Natal Spurfowl)
P-nobilis(Handsome Francolin)
P-ochropectus(Djibouti Francolin)
P-rufopictus(Grey-breasted Spurfowl)
P-squamatus(Scaly Francolin)
P-swainsonii(Swainson's Spurfowl)
P-swierstrai(Swierstra's Francolin)
Pterobunocephalus
P-depressus(Haseman, 1910)
P-dolichurus(Delsman 1941)
Pteroclidae(sandgrouse)
Pterocnemia pennata(Darwin's Rhea)
PteroctopusFischer, 1882*
Pterocupes(EXTINCT)
Pteromyini(flying squirrels)
Pteronetta hartlaubii(Hartlaub's Duck)
Pteronidia(EXTINCT) (incertae sedis)
Pterophoridae(plume moths)
Pterosauria(EXTINCT)
Pterostichini(monophyly uncertain)
PterotracheidaeRafinesque, 1814
Pterotracheoidea(heteropods)
PterygioteuthisFischer, 1896
PterygioteuthisFischer, 1896
P-gemmataChun, 1908
Pterygolepis(EXTINCT)
Pterygota(winged insects)
Pterygotidae(EXTINCT)
Pterygotoidea(EXTINCT)
Ptiliidae(featherwing beetles)
Ptilocercus lowii(pen-tailed tree shrew)
Ptilocerembia(Notoligotomidae)
Ptilonorhynchidae(bowerbirds)
Ptilopachus(Stone Partridge and Nahan's Francolin)
Ptilopachus(Stone Partridge and Nahan's Francolin)
P-nahani(Nahan's Partridge)
P-petrosus(Stone Partridge)
Ptilophora clade(includes species of Ptilophora and species formerly in Beckerella)
Ptilopsis(White-faced Owls)
Ptilopsis(White-faced Owls)
P-granti(Southern White-faced Owl)
P-leucotis(Northern White-faced Owl)
Ptilorrhoa(jewel-babbler)
Ptycholepiformes(EXTINCT)
Ptychopariida(EXTINCT)
Pucciniomycotina(a diverse group of fungi, including rusts, yeasts, smut-like and jelly-like fungi)
Pucrasia macrolopha(Koklass Pheasant)
Pudu(pygmy deer)
Pudu(pygmy deer)
P-mephistophiles(Northern pudu)
P-puda(Southern pudu or pygmy deer)
Pulchicupes jiensis(EXTINCT) (incertae sedis)
Pulsatrix(Spectacled Owl and relatives)
Pulsatrix(Spectacled Owl and relatives)
P-koeniswaldiana(Tawny-browed Owl)
P-melanota(Band-bellied Owl)
P-perspicillata(Spectacled Owl)
Punargentus(incertae sedis)
Pycina zamba(incertae sedis)
Pycnanthus
P-densusCarlgren 1921
P-laevisCarlgren 1921
P-maliformisMc Murrich [sic] 1893
Pycnodontiformes(EXTINCT) (Triassic to early Cenozoic fossils)
Pycnogonida(sea spiders)
Pycnonotidae(bulbuls)
Pygopteridae(EXTINCT)
Pyraloidea(snout moths and relatives)
Pyrgomorphoideanov
Pyrochroidae(fire-colored beetles)
PyroteuthidaePfeffer 1912
PyroteuthisHoyle, 1904
PyroteuthisHoyle, 1904
P-addoluxYoung, 1972
P-margaritifera(Ruppell, 1844)
P-serrataRiddell, 1985
Pyrrhocoridae(red bugs, cotton stainers)
Pyrrhocoroidea(non-monophyletic)
Pyrroglaux podargina(Palau Owl)
Pythidae(dead log beetles)
Quiscalus
Q-lugubris(Carib Grackle)
Q-major(Boat-tailed Grackle)
Q-mexicanus(Great-tailed Grackle)
Q-nicaraguensis(Nicaraguan Grackle) (incertae sedis)
Q-niger(Greater Antillean Grackle)
Q-palustris(Slender-billed Grackle) (incertae sedis)
Q-quiscula(Common Grackle)
Qurliqnoria(EXTINCT)
Rabaticeras(EXTINCT)
Radianthus
R-KuekenthaliKwietniewski 1896
R-lobatusKwietniewski 1897
Rafflesiaceae(incertae sedis)
Ragactis pulcra[sic] Andres 1883
Rakomylus(EXTINCT)
Rallidae(Rails)
Rallina(Chestnut Forest Crake and relatives)
Rallina(Chestnut Forest Crake and relatives)
R-canningi(Andaman Crake)
R-eurizonoides(Slaty-legged Crake)
R-fasciata(Red-legged Crake)
R-forbesi(Forbes's Forest Crake)
R-leucospila(White-striped Forest Crake)
R-mayri(Mayr's Forest Crake)
R-rubra(Chestnut Forest Crake)
R-tricolor(Red-necked Crake)
Rallus(Clapper Rail and relatives)
Rallus(Clapper Rail and relatives)
R-aequatorialis(Ecuadorian Rail)
R-antarcticus(Austral Rail)
R-aquaticus(Water Rail)
R-caerulescens(African Rail)
R-elegans(King Rail)
R-limicola(Virginia Rail)
R-longirostris(Clapper Rail)
R-madagascariensis(Madagascar Rail)
R-semiplumbeus(Bogota Rail)
R-wetmorei(Plain-flanked Rail)
Ramicristates(most amoebae, including dictyostelid and myxomycete slime moulds and Hyperamoeba)
Ramoceros(EXTINCT)
Ramphastidae(toucans)
Rana
R-(Pelophylax)(A group of water-bound frogs inhabiting Eurasia)
R-(others)(non-monophyletic)
Rana fukiensisPope 1929
Rana hubeiensisFei & Ye 1982
Rana lateralisBoulenger 1887
Rana nigrolineataLiu & Hu 1959
Rana nigromaculataHallowell 1861
Rana plancyiLataste 1880
Rana porosaCope 1868
Rana shuchinaeLiu 1950
Rana terentievi0(incertae sedis)
Rangifer tarandus(reindeer, caribou)
'Ranidae'(non-monophyletic)
Ranis(EXTINCT)
Ranunculaceae(buttercup family)
Raoellidae(EXTINCT)
Raphactis Caribea[sic] Verrill 1899
Raphactis nitidusVerrill 1899
Raphicerus(grysboks, steenboks)
Raphicerus(grysboks, steenboks)
R-campestris(steenbok)
R-melanotis(Cape grysbok)
R-sharpei(Sharpe's grysbok)
Raphidiomima(EXTINCT)
Raphidiomimidae(EXTINCT) (incertae sedis)
Raphidiomimula burmitica(EXTINCT) (Cretaceous amber of Myanmar)
Raphidioptera(snakeflies)
Rapismatidae0(incertae sedis)
Raptophasma kerneggeri(EXTINCT) (Eocene Baltic amber)
Rattus(non-monophyletic)
Ratufinae(giant squirrel)
Rauisuchia(EXTINCT)
Recurvirostridae(stilts, avocets)
Redfieldiidae(EXTINCT)
Redlichiida(EXTINCT)
Redunca arundinum(southern reedbuck)
Redunca fulvorufula(mountain reedbuck)
Redunca redunca(Bohar reedbuck)
Reduncinae(reedbucks, waterbuck, kob, puku, and lechwes)
Reduviidae(assassin bugs, ambush bugs, thread-legged bugs)
Regulidae(kinglets)
Reichardtia(1 species)
Reichardtiolus(2 species)
Reliquia santamarta(incertae sedis)
Remizidae(penduline tits)
Reninus(non-monophyletic)
Rennenismilia(EXTINCT)
Reptantia(monophyly uncertain)
Retelytron conopeum(EXTINCT)
Reussangia(EXTINCT)
Rhabdocupes(EXTINCT)
Rhabdodendron(incertae sedis)
Rhabdodryas(incertae sedis)
Rhabdolepidae(EXTINCT)
Rhabdoptilus(EXTINCT)
Rhabdornis(rhabdornises)
Rhadinichthyidae(EXTINCT)
Rhagatherium(EXTINCT)
Rhamnaceae(buckthorn family)
Rhaphidiopsis(EXTINCT)
Rhaphidophoridae(camel crickets and cave crickets (cave weta))
Rhea americana(Greater Rhea)
Rheidae(Rheas)
Rheinardia ocellata(Crested Argus)
Rhenopteridae(EXTINCT)
Rhinocerotidae(rhinoceroses & extinct relatives)
Rhinocryptidae(tapaculos)
Rhinolophidae(Horseshoe bats)
Rhinophrynus
R-sp.(EXTINCT)
Rhinopomatidae(Mouse-tailed Bats)
Rhinotermitidae(Subterranean termites) (monophyly uncertain)
Rhipiceridae(cedar beetles, cicada parasite beetles)
Rhipiduridae(fantails)
Rhizangia(EXTINCT)
Rhizodontimorpha(EXTINCT)
Rhizomyinae(bamboo rats and African mole rats)
Rhizophoraceae(red mangrove family)
Rhizothera(Long-billed Partridge and relatives)
Rhizothera(Long-billed Partridge and relatives)
R-dulitensis(Hose's Partridge)
R-longirostris(Long-billed Partridge)
Rhodophyta(red algae)
Rhombocoleidae(EXTINCT)
Rhombocoleites adumbratus(EXTINCT)
Rhombocoleus andreae(EXTINCT)
Rhombosternum(monophyly uncertain)
Rhopalidae(scentless plant bugs)
Rhyacophilidae(Spicipalpia)
Rhyacosiredon leorae0(incertae sedis)
Rhyacosiredon zempoalaensis0(incertae sedis)
Rhyncholepis(EXTINCT)
Rhynchortyx cinctus(Tawny-faced Quail)
Rhynchosauria(EXTINCT)
Rhynchotus(Red-winged Tinamou and Huayco Tinamou)
Rhynchotus(Red-winged Tinamou and Huayco Tinamou)
R-maculicollis(Huayco Tinamou)
R-rufescens(Red-winged Tinamou)
Rhyniella praecursor(EXTINCT)
Rhyniopsida(EXTINCT)
Rhynochetos jubatus(Kagu)
Rhynotragus(EXTINCT)
Rhypochares(3 species)
Rhysodini(wrinkled bark beetles) (incertae sedis)
Rhyzodiastes
R-mindoro0(incertae sedis)
R-riedeli0(incertae sedis)
Ribodon(EXTINCT)
Riodinidae(metalmark butterflies)
Riodininae
R-- incertae sedis(non-monophyletic)
Riojasaurus(EXTINCT)
Rivetia papillosaPax 1912
Robiacina(EXTINCT)
Robiatherium(EXTINCT)
Rochdalia(EXTINCT) (incertae sedis)
Rodentia(mice, rats, squirrels, gophers, porcupines, beavers, etc.)
Rolfeia(EXTINCT)
Rollulus rouloul(Crested Partridge)
RondeletiolaNaef, 1921
Rosaceae(rose family)
Rosette agent(parasitic protist)
RossiaOwen, 1834
RossiinaeAppellof, 1898
Rossocoleus(EXTINCT)
Rostratulidae(painted-snipe)
Rotifera(rotifers) (incertae sedis)
Rotundopteris(EXTINCT)
Rougetius rougetii(Rouget's Rail)
Rubiaceae(coffee family, including Emblingiaceae and Dialypetalanthus fuscescens)
Rucervus duvaucelii(barasingha)
Rucervus schomburgki(EXTINCT) (Schomburgk's deer)
Ruellia acutangula(Nees) Lindau
Ruellia adenocalyxLeonard
Ruellia alboviolaceaLindau
Ruellia amoenaSesse & Moc.
Ruellia amplexicaulis(Nees) Lindau
Ruellia anaticollisBenoist
Ruellia angustiflora(Nees) Lindau
Ruellia ansericollisBenoist
Ruellia asperulaLindau
Ruellia beyrichiana(Nees) S. Moore
Ruellia biolleyiLindau
Ruellia blechumL.(= Blechum pyramidatum (Lam.) Urb.)
Ruellia bourgaeiHemsl.
Ruellia breedloveiT. F. Daniel
Ruellia brevifolia(Pohl) C. Ezcurra
Ruellia brittonianaLeonard
Ruellia bulbiferaLindau
Ruellia caroliniensis(Walt.) Steud.
Ruellia chartacea(T. Anders.) Wassh.
Ruellia ciliatifloraHook.
Ruellia coeruleaMorong
Ruellia conzattiiStandl.
Ruellia cordataThunb.
Ruellia costata(Nees) Lindau
Ruellia densa(Nees) Hiern
Ruellia detonsaBenoist
Ruellia discifoliaOliver
Ruellia donnell-smithiiLeonard
Ruellia drummondiana(Nees) A. Gray
Ruellia edwardsaeTharp & F. A. Barkley
Ruellia elegansPoir.
Ruellia eriocalyxGlaz.
Ruellia erythropus(Nees) Lindau
Ruellia eumorphanthaLindau
Ruellia eurycodonLindau
Ruellia exsertaWassh.
Ruellia floribundaHook.
Ruellia foetidaWilld.
Ruellia fruticosaSesse & Moc.
Ruellia fulgens(Bremek.) E. Tripp(= Polylychnis fulgens Bremek.)
Ruellia fulgidaAndr.
Ruellia galeottiiLeonard
Ruellia geayi(Benoist) E. Tripp(= Eusiphon geayi Benoist)
Ruellia geminifloraH. B. K.
Ruellia gracilisRusby
Ruellia grantiiLeonard
Ruellia haenkeana(Nees) Wassh.
Ruellia hapalotrichaLindau
Ruellia harveyanaStapf
Ruellia hookeriana(Nees) Hemsl.
Ruellia humboldtiana(Nees) Lindau
Ruellia humilisNutt.
Ruellia hygrophilaMart.
Ruellia incompta(Nees) Lindau
Ruellia inflataRich.
Ruellia insignisBalf.f.
Ruellia inundataH. B. K.
Ruellia ischnopodaLeonard
Ruellia jaliscanaStandl.
Ruellia jussieuoidesSchltdl. & Cham.
Ruellia lacteaCav.
Ruellia latisepalaBenoist
Ruellia leucanthaBrandegee
Ruellia lineari-bracteolataLindau
Ruellia longepetiolata(Oerst.) Hemsl.
Ruellia longifilamentosaLindau
Ruellia longipedunculataLindau
Ruellia macrophyllaVahl var. lutea Leonard
Ruellia macrosolenLillo ex. C. Ezcurra
Ruellia magniforaC. Ezcurra
Ruellia malacaLeonard
Ruellia malacophyllaC. B. Clarke
Ruellia matagalpaeLindau
Ruellia matudaeLeonard
Ruellia mayaT. F. Daniel
Ruellia mcvaughiiT. F. Daniel
Ruellia megachlamysS. Moore
Ruellia menthifoliaLeonard
Ruellia menthoidesLeonard
Ruellia metzaeTharp
Ruellia morongiiBritton
Ruellia multifolia(Nees) Lindau
Ruellia nitida(Nees) Wassh. & J.R.I. Wood
Ruellia nobilisLindau
Ruellia novogalicianaT. F. Daniel
Ruellia nudiflora(Englem & A. Gray) Urb.
Ruellia oaxacanaLeonard
Ruellia paniculataL.
Ruellia patulaJacq.
Ruellia pearceiRusby
Ruellia pedunculosa(Nees) Lindau
Ruellia pennelliiLeonard
Ruellia petiolaris(Nees) T. F. Daniel
Ruellia pilosa(Nees) Pav. ex Nees
Ruellia pringleiFernald
Ruellia proximaLindau
Ruellia puri(Nees) Mart. ex Jackson
Ruellia purshianaFernald
Ruellia pygmeaDonn. Sm.
Ruellia riopalenquensisWassh.
Ruellia rubraAubl.
Ruellia ruiziana(Nees) Lindau
Ruellia runyoniiTharp & F. A. Barkley
Ruellia salviaefolius(Nees) Lindau
Ruellia sanguieaGriseb.
Ruellia saulensisWassh.
Ruellia speciosa(Nees) Lindau
Ruellia spissaLeonard
Ruellia standleyiLeonard
Ruellia stemonacanthoides(Oerst.) Hemsl.
Ruellia steyermarkiiWassh.
Ruellia strepensL.
Ruellia subsessilis(Mart.) Lindau
Ruellia tarapotanaLindau
Ruellia terminale(Nees) Wassh.
Ruellia tomentosa(Nees) Lindau
Ruellia tuberosaL.
Ruellia tubifloraH. B. K.
Ruellia tuxtlensisT. P. Ramamoorthy & Y. Hornelas
Ruellia verbasciformis(Nees) C. Ezcurra & Zappi
Ruellia villosaLindau
Ruellia yurimaguensisLindau
Rugelytron(EXTINCT) (incertae sedis)
Rugosa(EXTINCT) (monophyly uncertain)
Ruminantia(deer, cattle, goats, sheep, antelopes, giraffe, etc.)
Rupicapra(chamois)
Rupicapra(chamois)
R-pyrenaica(Pyrenean chamois)
R-rupicapra(chamois)
Rusingoryx(EXTINCT)
Rutaceae(citrus family)
Rutitherium(EXTINCT)
Rytiodus(EXTINCT)
Ryvkinius(EXTINCT)
Saarlandia(EXTINCT) (incertae sedis)
Saaromioptera(EXTINCT)
Sabatoga mirabilis(incertae sedis)
Sabitaptus(EXTINCT) (incertae sedis)
Sacabambaspis(EXTINCT)
Saccactis australisLager 1911
Saccactis macmurrichiLager 1911
Saccactis musculosaLager 1911
Saccopharyngiformessackpharynx fishes
Sagartia Bradley[sic] Verrill 1869
Sagartia Carlgreni[sic] Haddon and Duerden 1896
Sagartia Sancti Matthaei[sic] Mc Murrich [sic] 1893
Sagartia acanellaeVerrill 1883
Sagartia georgianaCarlgren 1899
Sagartia gracillimaMc Murrich [sic] 1887
Sagartia gravieriPax 1912
Sagartia gravieriPax 1912
S-herpetodesMc Murrich [sic] 1904
Sagartia igneaFischer 1875
Sagartia kerguelensisPax 1922
Sagartia lacteusMc Murrich [sic] 1893
Sagartia leucolenaVerrill 1866
Sagartia lobataCarlgren 1899
Sagartia longaVerrill 1928
Sagartia luciaeVerrill 1899
Sagartia modestaVerrill 1866
Sagartia nitidusWassilieff 1908
Sagartia nutrixStuckey 1909
Sagartia paguriVerrill 1869
Sagartia paradoxaMc Murrich [sic] 1893
Sagartia patagonicaCarlgren 1899
Sagartia plebeiaHaddon 1898
Sagartia pugnaxVerrill 1928
Sagartia pusillaVerrill 1928
Sagartia pustulataMc Murrich [sic] 1907 [sic]
Sagartia schillerianaStoliczka 1869
Sagartia sphyrodetaGosse 1858
Sagartia spongicolaVerrill 1883
Sagartia vagransStuckey 1909
Sagartianthus
S-indosinensisCarlgren 1843 [sic]
Sagartiogeton
S-abyssorumCarlgren 1942
S-antarcticusCarlgren 1928
S-ingolfiCarlgren 1928
Sagartiogeton praelongaCarlgren 1928
Sagartiogeton praelongaCarlgren 1928
S-robustusCarlgren 1924
S-verrilliCarlgren 1942
Sagartiomorphe carlgreniKwietniewski 1897
Sagenoptera(EXTINCT)
Saginae(Predatory katydids)
Sagittariidae(Secretary-bird)
Sagittastrea(EXTINCT)
Saharagalago misrensis(EXTINCT)
Saichania(EXTINCT)
Saiga tatarica(saiga)
Salamandrina(incertae sedis)
Saldidae(shore bugs)
Salebrocoleus(EXTINCT)
Salebroferus(EXTINCT)
Salicaceae(willow family, incl. Flacourtiaceae pro parte and Scyphostegia borneensis)
Salientia(Frogs and Toads)
Salmoniformessalmons, trouts, whitefishes, smelts
Salpingidae(narrow-waisted bark beetles)
Salpixantha coccineaHook.
Saltenia(EXTINCT)
Salticidae(jumping spiders)
Salvadorina waigiuensis(Salvadori's Teal)
Samodorcas(EXTINCT)
Samotherium(EXTINCT)
Samotragus(EXTINCT)
Sandalodes(Old World)
SandalopsChun, 1906
Sandiella(EXTINCT)
Sangamona(EXTINCT)
Sanitheriidae(EXTINCT)
Santalaceae(including Viscaceae)
Santanmantis axelrodi(EXTINCT) (Early Cretaceous limestone, Santana Formation, Brazil)
Sapayoa aenigma(broad-billed sapayoa)
Sapindaceae(soapberry family, incl. Aceraceae and Hippocastanaceae)
Sapotaceae(sapodilla family)
Saprinillus(1 species)
Saprinodes(2 species)
Sarcobatus(greasewood)
Sarcopterygii(lobe-finned fishes and four-legged vertebrates)
Sarkidiornis(Comb Duck and Knob-billed Duck)
Sarkidiornis(Comb Duck and Knob-billed Duck)
S-melanotos(Comb Duck)
S-sylvicola(Knob-billed Duck)
Sarothruridae(Flufftails)
Sarraceniaceae(American carnivorous pitcher plants)
Satrapister(1 species)
Saturniidae(emperor moths)
Saurichthyiformes(EXTINCT)
Saurodontidae(EXTINCT)
Sauropelta(EXTINCT)
Sauropoda(EXTINCT) (Apatosaurus, Diplodocus, Brachiosaurus, and relatives)
Sauropodomorpha(EXTINCT) (long-necked plant-eating dinosaurs)
Sauropterygia(EXTINCT) (incertae sedis)
Saurosternon(EXTINCT)
Saussurembia0(incertae sedis)
ScaeurgusTroschel, 1857
Scandentia(tree shrews)
Scapherpetontidae(EXTINCT)0(incertae sedis)
Scaphidister(2 species)
Scaphopoda(tusk shells)
Scarabaeiformia(scarabs, stag beetles, dung beetles, etc.)
Scelidosaurus(EXTINCT)
Sceloporus(spiny lizards)
Scepasma(EXTINCT)
Schedoneura(EXTINCT) (incertae sedis)
Schendylidae(monophyly uncertain)
Schilbidae(monophyly uncertain)
Schizochoerus(EXTINCT)
Schizochoerus africanus(= Nesolecithus africanus)
Schizochoerus janickii(= Nesolecithus janickii)
Schizochoerus paragonopora(= Gephyrolina paragonopora)
Schizodactylidae(splay-footed crickets)
Schizophoridae(EXTINCT) (incertae sedis)
Schizophorinus punctatus(EXTINCT)
Schizophoroides(EXTINCT)
Schizophorus crassus(EXTINCT)
Schizopodinae(incertae sedis)
Schizotaldycupes(EXTINCT)
Schmidtopteron(EXTINCT)
Schreckensteinia(bristle-legged moths)
Sciaphyini(Sciaphyes)
Scirtidae(marsh beetles)
Sciuridae(squirrels, chipmunks, marmots, and prairie dogs)
Sciurillinae(Neotropical pygmy squirrel)
Sciurini(tree squirrels)
Sciurotamias(rock squirrels)
Sciurus(non-monophyletic)
Scleractinia(monophyly uncertain)
Sclerochiton Clade
S-harveyanusNees
S-ilicifoliusMeeuse
S-triacanthusMeeuse
S-vogelii(Nees) T. Anderson
Scleroptila(Ring-necked Francolin and relatives)
Scleroptila(Ring-necked Francolin and relatives)
S-africana(Grey-winged Francolin)
S-finschi(Finsch's Francolin)
S-levaillantii(Red-winged Francolin)
S-levaillantoides(Orange River Francolin)
S-psilolaema(Moorland Francolin)
S-shelleyi(Shelley's Francolin)
S-streptophora(Ring-necked Francolin)
Scolanthus callimorphaGosse 1853
Scolomys(spiny mice)
Scolopacidae(sandpipers)
Scopelomorphalanternfishes
Scopidae(Hammerhead)
Scorpaeniformes(scorpionfishes, sculpins, and relatives)
Scorpionida(scorpions and their extinct relatives)
Scotiophryne(EXTINCT)
Scotopelia(Fishing Owls)
Scotopelia(Fishing Owls)
S-bouvieri(Vermiculated Fishing Owl)
S-peli(Pel's Fishing Owl)
S-ussheri(Rufous Fishing Owl)
Scraptiidae(false flower beetles)
Scrophulariaceae(figwort family)
Sculdidae(EXTINCT)
Scutelleridae(shield-back bugs)
Scutellosaurus(EXTINCT)
Scybalicus(incertae sedis)
Scydmaenidae(ant-like stone beetles)
Scydmaenoides(EXTINCT)
Scythrididae(flower moths) (monophyly uncertain)
Scytodidae(spitting spiders)
Scytohymen(EXTINCT)
Scytophorus
S-striatusR. Hertwig 1882
Seggeurius(EXTINCT)
Seitzister(1 species)
SelenoteuthisVoss, 1958
Sellosaurus(EXTINCT)
Sematuridae(American swallowtail moths)
Semidelitschia(incertae sedis)
Semionotiformes(EXTINCT) (many Mesozoic fossils)
SemirossiaSteenstrup, 1887
Semnodioceras(EXTINCT)
SepiadariidaeNaef 1912
SepiettaNaef, 1912
SepiidaeKeferstein. 1866
SepioideaNaef, 1916
SepiolaLeach, 1817
SepiolidaKeferstein, 1866
SepiolidaKeferstein, 1866
S-eLeach 1817
SepiolinaNaef, 1912
SepiolinaeAppellof, 1898
SepioteuthisBlainville, 1824
Septastraea(EXTINCT)
Sermayaceae(EXTINCT)0(incertae sedis)
Serolidae(F.)
Serpentes(incertae sedis)
Sesiidae(clearwing moths)
Sesioidea(clearwing moths and relatives)
Sespedectidae(EXTINCT)
Setifer setosus(greater hedgehog tenrec)
Severinopsis(EXTINCT) (incertae sedis)
Seymouria(EXTINCT)
Seymouria(EXTINCT)
S-baylorensis(EXTINCT)
S-grandis(EXTINCT)
S-sanjuanensis(EXTINCT)
Seymouriamorpha(EXTINCT)
Shaanxispira(EXTINCT)
Shamosaurus(EXTINCT)
Shanshanosaurus houyanshanensis(EXTINCT) (incertae sedis)
Shaposhnikoviidae(EXTINCT) (incertae sedis)
Sharovia(EXTINCT)
Sheltoweeptera(EXTINCT)
Shepherdia(EXTINCT)
Shomronella(EXTINCT)
Sialidae(alderflies)
Siamochoerus(EXTINCT)
Siamotragulus sanyathanai(EXTINCT)
Siamotyrannus isanensis(EXTINCT) (incertae sedis)
Siberiodictya(EXTINCT)
Sibiriohymen(EXTINCT)
Sibylloblatta(incertae sedis)
Sicariidae(brown spiders, recluses)
Sicilomyrmex corniger(EXTINCT)
Sicyonis
S-antarcticaCarlgren 1939
S-auroraCarlgren and Stephenson 1929
S-crassaHertwig 1882
S-hemisphaericaCarlgren 1934
S-ingolfiCarlgren 1921
S-sumatriensisCarlgren 1928
S-tuberculataCarlgren 1921
S-variabilisCarlgren 1921
Sicyopus commensalisGravier 1918
Sierrasteroma(incertae sedis)
Sigmoceros lichtensteinii(Lichtenstein's hartebeest)
Sigmodontinae(Neotropical mice and rats)
Sigmodontini(cotton rats)
Silpha(non-monophyletic)
Silphidae(large carrion and burying beetles)
Silvanidae(silvanid flat bark beetles)
Silvisaurus(EXTINCT)
Simaethistis0(incertae sedis)
Simaroubaceae(tree of heaven family)
Simmondsia(EXTINCT)
Simmondsia chinensis(incertae sedis)
Sinapocerus(EXTINCT)
Sinapriculus(EXTINCT)
Single-stranded DNA Viruses(non-monophyletic)
Single-stranded Negative Sense RNA Viruses(monophyly uncertain)
Single-stranded Positive Sense RNA Viruses(monophyly uncertain)
Sinobrosculus0(incertae sedis)
Sinocapra(EXTINCT)
Sinocupes(EXTINCT) (incertae sedis)
Sinohyus(EXTINCT)
Sinolispinodes(EXTINCT)
Sinomegaceros(EXTINCT)
Sinopalaeoceros(EXTINCT)
Sinoreas(EXTINCT)
Sinosilphia(EXTINCT)
Sinotragus(EXTINCT)
Siphonactinia boekiiDanielsson [sic] 1856
Siphonactinopsis
S-laevisCarlgren 1921
Siphonaptera(fleas)
Siphoniulida(incertae sedis)
Siphonomecus multicinctus0(incertae sedis)
Siphonorhis brewsteri(Least Poorwill)
Sipuncula(peanut worms)
Siren dunni(EXTINCT)0(incertae sedis)
Siren hesterna(EXTINCT)0(incertae sedis)
Siren miotexana(EXTINCT)0(incertae sedis)
Sirenia(manatees, dugong, sea cow)
Sirenotherium(EXTINCT)
Sisyridae0(incertae sedis)
Sittidae(nuthatches)
Sivacapra(EXTINCT)
Sivachoerus(EXTINCT)
Sivacobus(EXTINCT)
Sivadenota(EXTINCT)
Sivahyus(EXTINCT)
Sivatherium(EXTINCT)
Slimoniidae(EXTINCT)
Smicrips(palmetto beetles)
Smilotrochus(EXTINCT)
Soergelia(EXTINCT)
Sogdianotherium(EXTINCT)
Sogdini(monophyly uncertain)
Solanaceae(nightshade family)
Solenodonsaurus(EXTINCT)
Solenodontidae(solenodons)
Solenogastres(Neomeniomorpha)
Solenopsidini(fire ants, etc.)
Solenopsis(fire ants, thief ants)
Solieriinae(incertae sedis)
Solifugae(wind scorpions, camel spiders, sun spiders, solpugids)
Soliperla
S-tilamook(incertae sedis)
Solocisquama(incertae sedis)
Somabrachyidae(Mediterranean flannel moths)
Somasteroidea(EXTINCT)
Somateria(Spectacled Eider, King Eider, and Common Eider)
Somateria(Spectacled Eider, King Eider, and Common Eider)
S-fischeri(Spectacled Eider)
S-mollissima(Common Eider)
S-spectabilis(King Eider)
Soricidae(shrews)
South American series(non-monophyletic)
Spalacinae(blind mole rats)
Spargotermes costalimai(EXTINCT) (Miocene-Pliocene of Brazil)
Spathicephalus mirus(EXTINCT)
Spathicephalus pereger(EXTINCT)
Speculanas specularis(Bronze-winged Duck)
Spermatopsida(seed plants: flowering plants, conifers, etc.)
Spermophilus(groundsquirrels) (non-monophyletic)
Sperrgebietomeryx(EXTINCT)
Sphaericosoma(1 species)
Sphaeritidae(false clown beetles)
Sphaeromatidae(F.)
Sphaerosyne globisa(EXTINCT)
Sphaerotheriida(giant pill millipedes)
Sphagnopsida(peat mosses)
Sphecomyrma(EXTINCT)
Sphecomyrma(EXTINCT)
S-canadensis(EXTINCT)
S-freyi(EXTINCT)
Sphecomyrminae(EXTINCT) (incertae sedis)
Sphecomyrmini(EXTINCT) (monophyly uncertain)
Sphecoptera(EXTINCT)
Sphecotheres(figbird)
Sphenacodontidae(EXTINCT)
Sphenisciformes(Penguins)
Sphenodontida(tuataras and their extinct relatives)
Sphenoeacus(cape grass-warbler)
Sphenophalos(EXTINCT)
Sphindidae(cryptic slime mold beetles)
Sphingidae(hawk moths)
Spilaptera(EXTINCT)
Spilapteridae(EXTINCT)
Spilodiscus(~9 species)
Spiloptilus(EXTINCT) (incertae sedis)
Spinacanthidae(EXTINCT)
Spinantenna(incertae sedis)
Spinochordodes(non-monophyletic)
Spinosauridae(EXTINCT)
Spiramiopsis comma(incertae sedis)
Spirocerus(EXTINCT)
Spirochaetes(spiral-shaped chemoheterotrophs)
Spironemidae(several genera of heterotrophic flagellates)
SpirulidaOwen, 1836
Spirurida(non-monophyletic)
Spizaetus(non-monophyletic)
Spiziapteryx circumcincta(spot-winged falconet)
Spondylophryne(EXTINCT)
Spongomonads(several genera of heterotrophic flagellates)
Sporadotragus(EXTINCT)
Squalodelphidae(EXTINCT)
Squalodontidae(EXTINCT) (non-monophyletic) (incertae sedis)
Squamata(Lizards and snakes)
Stagmomantinae(non-monophyletic)
Stagmomantis(monophyly uncertain)
Staphylinidae(rove beetles) (non-monophyletic)
Staphyliniformia(monophyly uncertain)
Staphylinoidea(rove beetles, featherwing beetles, etc.)
Stauropteridales(EXTINCT)
StauroteuthidaeGrimpe, 1916
Steatornithidae(Oilbird)
Stegodontidae(EXTINCT)
Stegopelta(EXTINCT)0(incertae sedis)
Stegosauria(EXTINCT) (plated dinosaurs)
Stegotrachelidae(EXTINCT)
Stelidiactis mopsiaeDanielssen 1890
Stelloria(EXTINCT)
Stenandrium afromontanum(Mildbr.) Vollesen(=Stenandriopsis afromontana (Mildbr.) Benoist)
Stenandrium guineensis(Nees) Vollesen(=Stenandriopsis guineense (Nees) Benoist)
Stenandrium humile Benoist Vollesen(Benoist ) Vollesen(=Stenandriopsis humile Benoist)
Stenandrium mandioccanumNees
Stenandrium pilosulum(S. F. Blake) T. F. Daniel
Stenandrium thompsonii(S. Moore) Vollesen(=Stenandriopsis thompsonii S. Moore)
Stenandrium warneckei(S. Moore) Vollesen(= Stenandriopsis warneckei (S. Moore) Napper)
Stenodiapha(EXTINCT) (incertae sedis)
Stenodictya(EXTINCT)
Stenodictyoneura(EXTINCT)
Stenomylinae(EXTINCT)
Stenomylus(EXTINCT)
Stenopelmatidae(jerusalem and king crickets, tree and giant weta)
Stenopterygiibristlemouths, deep-sea hatchetfishes, and dragonfishes
Stenostiridae(fairy warblers, canary-flycatchers, blue-flycatchers)
Stenotrachelidae(false longhorn beetles)
Stephanactis hyalonematisMc Murrich [sic] 1893
Stephanactis impeditusGravier 1918
Stephanactis indicaVerrill 1869
Stephanactis inornataGravier 1918
Stephanactis tuberculataHertwig 1882
Stephanauge
S-annularisCarlgren 1936
S-bulbosaCarlgren 1928
Stephanauge giganteusCarlgren 1941
Stephanoberyciformes(pricklefishes and whalefishes)
Stephanocemas(EXTINCT)
Stephanopogon(genus of heterotrophic flagellates)
Stephanosmilia(EXTINCT)
Stephensonactis
S-ornataPanikkar 1936
Stereospondyli(EXTINCT)
Sternorrhyncha(psyllids, whiteflies, aphids, coccids)
Steromapedaliodes(incertae sedis)
Stibochiona
S-schoenbergi(incertae sedis)
Stichodactis glandulosaLager 1911
Stichodactis kwietniewskiiLager 1911
Stichodactis papillosaKwietniewski 1897
Sticholonche(genus of heliozoa with mobile arms)
Stichophora cyaneaBrandt 1835
Stictonetta naevosa(Freckled Duck)
Stictostix(~8 species)
Stigmatoteuthis
S-arcturiRobson, 1948
S-dofleiniPfeffer, 1912
S-hoylei(Goodrich 1896)
Stigmenamma heeri(EXTINCT) (incertae sedis)
Stigmomyrmex venustus(EXTINCT) (incertae sedis)
Stilbocrocis(EXTINCT)
Stiphromyrmex robustus(EXTINCT) (incertae sedis)
Stobbsia(EXTINCT) (incertae sedis)
Stockoceros(EXTINCT)
Stoichactis
S-australisLager 1911
S-haddoniSaville Kent 1893
S-intermediaLager 1911
S-kentiHaddon and Shackleton 1893
S-laevisLager 1911
Stokesosaurus clevelandi(EXTINCT) (incertae sedis)
Stolonis(monophyly uncertain)
Stolopsyche(EXTINCT)
Stolotermes(incertae sedis)
StoloteuthisVerrill, 1881
Stomatopoda(mantis shrimps)
Stomphia
S-japonicaCarlgren 1943
Storkeilla subtribe Labicheinae (Labichea, Petalostylis), (monophyly uncertain)
Stramenopiles(diatoms, chrysophytes, brown algae, opalines, other algae & protozoa)
Strepera(currawongs)
Strepsiptera(twisted-wing parasites) (incertae sedis)
Strepsirrhini(lemurs, galagos, lorises, etc.)
Strigidae(Typical Owls)
Strigiformes(owls)
Strix(Wood Owls)
Strix(Wood Owls)
S-albitarsis(Rufous-banded Owl)
S-aluco(Tawny Owl)
S-butleri(Hume's Owl)
S-chacoensis(Chaco Owl)
S-davidi(Pere David's Owl)
S-fulvescens(Fulvous Owl)
S-huhula(Black-banded Owl)
S-hylophila(Rusty-barred Owl)
S-leptogrammica(Brown Wood Owl)
S-nebulosa(Great Grey Owl)
S-nigrolineata(Black-and-white Owl)
S-occidentalis(Spotted Owl)
S-ocellata(Mottled Wood Owl)
S-rufipes(Rufous-legged Owl)
S-seloputo(Spotted Wood Owl)
S-uralensis(Ural Owl)
S-varia(Barred Owl)
S-virgata(Mottled Owl)
S-woodfordii(African Wood Owl)
Stromboidea(true conchs)
Struthidea(apostlebird)
Struthionidae(Ostriches)
Struthiosaurus(EXTINCT)
Struwela(incertae sedis)
Stuardosatyrus(incertae sedis)
Sturnella
S-bellicosa(Peruvian Meadowlark) (incertae sedis)
S-defilippii(Pampas Meadowlark)
S-loyca(Long-tailed Meadowlark) (incertae sedis)
S-militaris(Red-breasted Meadowlark) (incertae sedis)
S-neglecta(Western Meadowlark)
S-superciliaris(incertae sedis)
Sturnidae(starlings)
Stygeonectes(EXTINCT)
Stylina(EXTINCT)
Stylochoerus(EXTINCT)
Stylocyathus(EXTINCT)
Stylonuridae(EXTINCT)
Stylonuroidea(EXTINCT)
Stylophylliina(EXTINCT)
Stylopyllioidea(EXTINCT)
Stylotrochus(EXTINCT)
Styphon(incertae sedis)
Styphrus(3 species)
Subantilocapra(EXTINCT)
Suboscines(Simple voice-box, pan-tropical distribution)
Succinarthropterus(EXTINCT)
Succinarthropterus(EXTINCT)
S-andreei(EXTINCT)
S-antiquus(EXTINCT)
S-aterrimus(EXTINCT)
S-balticus(EXTINCT)
S-fritschi(EXTINCT)
S-hagedorni(EXTINCT)
S-hermenaui(EXTINCT)
S-kuntzeni(EXTINCT)
S-schaufussi(EXTINCT)
S-simoni(EXTINCT)
S-skawarrae(EXTINCT)
S-subtilis(EXTINCT)
'Suhria' clade(includes species of Gelidium and species formerly in Onikusa and Suhria)
Suidae(hogs and pigs)
Suinae(modern hogs and pigs and their relatives)
Sula
S-dactylatra(Masked Booby)
S-granti(Nazca Booby)
S-leucogaster(Brown Booby)
S-nebouxii(Blue-footed Booby)
S-sula(Red-footed Booby)
S-variegata(Peruvian Booby)
Sulidae(Boobies and Gannets)
Sumalia(incertae sedis)
Sundasalangidae(incertae sedis)
Surnia ulula(Northern Hawk-Owl)
Sus(Eurasian pigs)
Sus(Eurasian pigs)
S-barbatus(bearded pig)
S-bucculentus(Vietnam warty pig)
S-cebifrons(Visayan warty pig)
S-celebensis(Celebes wild boar)
S-heureni(Flores warty pig)
S-philippensis(Philippine warty pig)
S-salvanius(pygmy hog)
S-scrofa(wild boar)
S-timoriensis(Timor wild boar)
S-verrucosus(Javan pig)
Sylvacoleodes admirandus(EXTINCT)
Sylvacoleus(EXTINCT)
Sylvicapra grimmia(bush duiker or gray duiker)
Sylvohymen(EXTINCT)
Symbos(EXTINCT)
Synactinernus
S-flavusCarlgren 1918
Synanthus mirabilisp.p. Verrill 1899
Synapsida(mammals and their extinct relatives)
Synarmoge(EXTINCT)
Synastreidae(EXTINCT)
Synbranchiformes(spiny and swamp eels)
Synchroidae(synchroa bark beetles)
Synergistes(incertae sedis)
Synoditulus(incertae sedis)
Synodus changnaensis(EXTINCT) (incertae sedis)
Synomaloptila(EXTINCT)
Synphellia aucklandicaCarlgren 1924
Synphellia dubiaCarlgren 1928
Synsicyonis
S-elongataHertwig 1888
Syntaphus wheeleri(EXTINCT) (incertae sedis)
Sypheotides indica(Lesser Florican)
Syrmaticus(Elliot's Pheasant and relatives)
Syrmaticus(Elliot's Pheasant and relatives)
S-ellioti(Elliot's Pheasant)
S-humiae(Mrs. Hume's Pheasant)
S-mikado(Mikado Pheasant)
S-reevesii(Reeves's Pheasant)
S-soemmerringii(Copper Pheasant)
Tabulata(EXTINCT) (monophyly uncertain)
Tabuloconida(EXTINCT)
Tachyeres(Steamer Ducks)
Tachyeres(Steamer Ducks)
T-brachypterus(Falkland Steamer Duck)
T-leucocephalus(Chubut Steamer Duck)
T-patachonicus(Flying Steamer Duck)
T-pteneres(Fuegian Steamer Duck)
Tachyglossidae(echidnas)
Tachyglossus aculeatus(short-beaked echidna)
Tachypleus
T-decheni(EXTINCT) (incertae sedis)
Tachyporinae(non-monophyletic)
Tachyporoides(EXTINCT)
Tadorna(Shelducks)
Tadorna(Shelducks)
T-cana(South African Shelduck)
T-ferruginea(Ruddy Shelduck)
T-radjah(Raja Shelduck)
T-tadorna(Common Shelduck)
T-tadornoides(Australian Shelduck)
T-variegata(Paradise Shelduck)
Tajmyraphididae(EXTINCT) (incertae sedis)
Takagripopteryx(incertae sedis)
Takakiales(incertae sedis)
Talarurus(EXTINCT)0(incertae sedis)
Taldycupedidae(EXTINCT)
Taldycupes(EXTINCT)
Talegalla
T-cuvieri(Red-billed Brushturkey)
T-fuscirostris(Black-billed Brushturkey)
T-jobiensis(Collared Brushturkey)
Talpidae(moles, shrew moles, desmans)
Tamanalces(EXTINCT)
Tamias(chipmuncks)
Tamiasciurini(chickarees)
Tamolanica(monophyly uncertain)
Tanaeoceroideanov
TaningiaJoubin 1931
Tanychora(EXTINCT)
Tanymykter(EXTINCT)
TaoniinaePfeffer 1912
Taoniscus nanus(Dwarf Tinamou)
TaoniusSteenstrup, 1861
Tapiridae(tapirs & extinct relatives)
Tapirulus(EXTINCT)
Taractostephanus elegantissima(?Actinia) Brandt 1835
Tarattia(incertae sedis)
Tarbosaurus bataar(EXTINCT)
Tarchia(EXTINCT)
Tardigrada(water bears)
Tarracolimulus crespelli(EXTINCT)
Tarrasiiformes(EXTINCT)
Tarsii(tarsiers)
Tarsilister(incertae sedis)
Tarsopterella(EXTINCT) (incertae sedis)
Taucanamo(EXTINCT)
Tayassu pecari(white-lipped peccary)
Tayassuidae(peccaries)
Taymyrelectronidae(EXTINCT) (incertae sedis)
Tchirkovaea(EXTINCT)
Tchirkovaeidae(EXTINCT)
Tealia bunodiformisHertwig 1882
Tealidium cinctumStuckey 1909
Tealidium cinctumStuckey 1909
T-cingulatumR. Hertwig 1882
T-jungerseniCarlgren 1921
Tealiopsis nigrescensVerrill 1928
Tealiopsis polarisDanielssen 1890
Tecticupes(EXTINCT)
Tectoptilus(EXTINCT)
Tedeleaceae(EXTINCT)0(incertae sedis)
Tegeticula(true yucca moths)
Teicophryinae(incertae sedis)
Teinotarsus(2 species)
Telegeusidae(long-lipped beetles)
Teleostei(most living ray-finned fish)
Telipna
T-acraeathe Tiger
Telipna section(monophyly uncertain)
Telmatactis
T-Valle Flori[sic] Gravier 1918
T-australiensisCarlgren 1949
T-insignisCarlgren 1949
T-natalensisCarlgren 1938
T-stephensoniCarlgren 1949
Telonema(genus of heterotrophic flagellates)
Temnodera(EXTINCT)
Temnospondyli(EXTINCT)
Tempskyaceae(EXTINCT)0(incertae sedis)
Tenebrionidae(darkling beetles)
Tenebrionoidea(darkling beetles, blister beetles, etc.)
Tenrec ecaudatus(tailless tenrec)
Tenrecidae(tenrecs, Madagascar "hedgehogs")
Tenthyridium(EXTINCT) (incertae sedis)
Terametopon(3 species)
Teretriini(non-monophyletic)
Termitidae(Higher termites)
Termitinae(non-monophyletic)
Termopsidae(Dampwood termites)
Terrestrial Vertebrates(mammals, reptiles, amphibians, birds etc.)
Tersoides(EXTINCT)
Tersus(EXTINCT)
Teruelia(EXTINCT)
Tesnusocaris goldichi(EXTINCT) (Tesnus Formation, Lower Pennsylvanian)
Testudines(turtles, tortoises and terrapins) (incertae sedis)
Tethytragus(EXTINCT)
Tetrabrachiidae(Four-armed frogfish)
Tetracapsuloides bryosalmonae(Tetracapsula bryosalmonae)
TetracheledoneVoss, 1955
Tetraconodon(EXTINCT)
Tetraconodontinae(EXTINCT)
Tetrameringia
T-aethiopicaStuckenberg
T-borealisSueyoshi
T-distoma(Verbeke)
T-pubescensMcAlpine
T-stuckenbergiBarraclough
T-ustulataMcAlpine
Tetrameryx(EXTINCT)
Tetrao(Capercaillies)
Tetrao(Capercaillies)
T-parvirostris(Black-billed Capercaillie)
T-urogallus(Western Capercaillie)
Tetraodontiformes(triggerfishes, puffers, and allies)
Tetraogallus(Snowcock)
Tetraogallus(Snowcock)
T-altaicus(Altai Snowcock)
T-caspius(Caspian Snowcock)
T-caucasicus(Caucasian Snowcock)
T-himalayensis(Himalayan Snowcock)
T-tibetanus(Tibetan Snowcock)
Tetraophasis(Monal-Partridges)
Tetraophasis(Monal-Partridges)
T-obscurus(Verreaux's Monal-Partridge)
T-szechenyii(Szechenyi's Monal-Partridge)
Tetraphalerus
T-antiquus(EXTINCT)
T-bontsaganensis(EXTINCT)
T-brevicapitis(EXTINCT)
T-brevis(EXTINCT)
T-collaris(EXTINCT)
T-fentaiensis(EXTINCT)
T-glabratus(EXTINCT)
T-grandis(EXTINCT)
T-incertus(EXTINCT)
T-longicollis(EXTINCT)
T-macilentus(EXTINCT)
T-maximus(EXTINCT)
T-mongolicus(EXTINCT)
T-notatus(EXTINCT)
T-ochotensis(EXTINCT)
T-oligocenicus(EXTINCT)
T-surrectus(EXTINCT)
T-tenuipes(EXTINCT)
T-verrucosus(EXTINCT)
Tetraphlebia germainii(incertae sedis)
Tetrastemmatidae(non-monophyletic)
Tetrastes(Hazel Grouse and Severtzov's Grouse)
Tetrastes(Hazel Grouse and Severtzov's Grouse)
T-bonasia(Hazel Grouse)
T-sewerzowi(Severtzov's Grouse)
Tetratomidae(polypore fungus beetles)
Tetrax tetrax(Little Bustard)
Tettigarctidae(tettigarctid cicadas)
Tettigoniidae(katydids, long-horned grasshoppers and bushcrickets)
Tettigoniinae(Shield-backed katydids)
TeuthoweniaChun, 1910
TeuthoweniaChun, 1910
T-maculataLeach 1817
T-megalopsProsch 1947
T-pellucida(Chun 1910)
Texasetes(EXTINCT)0(incertae sedis)
Texoceros(EXTINCT)
Thaites ruminiana(EXTINCT) (incertae sedis)
Thalassianthus
T-asterLeuckart in Rueppel 1828
T-kraepeliniCarlgren 1900
T-senckenbergianusKwietniewski 1897
Thalassornis leuconotus(White-backed Duck)
Thalattosiren(EXTINCT)
Thaleroceros(EXTINCT)
Thalpomys(incertae sedis)
Thamnophilidae(typical antbirds)
Thanatites(EXTINCT) (incertae sedis)
Thaumactis medusoidesFowler 1889
Thaumastocoridae(royal palm bugs)
Thaumastognathus(EXTINCT)
Thaumatichthyidae(Wonderfishes)
Thaumatomonads(several genera of heterotrophic flagellates)
Thaumatomyrmex(incertae sedis)
ThaumeledoneRobson, 1930*
The other protists(cryptomonads, euglenids, glaucophytes, etc.) (non-monophyletic)
Theaceae(tea family)
Thecocyathidae(EXTINCT)
Thecostraca(barnacles and their relatives)
Thelaceros rhizophoreaeMitchell 1890
Thelodonti(EXTINCT) (non-monophyletic) (incertae sedis)
Thelyphonida(whiptailed scorpions, vinegaroons, uropygids)
Theraphosidae(tarantulas, bird-eating spiders)
Therapsida(mammals and their extinct relatives)
Theridiidae(cobweb weavers, black widows, etc.)
Theridiosomatidae(ray spiders)
Theridomorpha(EXTINCT) (incertae sedis)
Therizinosauridae(EXTINCT)
Thermodesulfobacteria(thermophilic, sulfate-reducing bacteria)
Thermomicrobia(hyperthermophilic chemoheterotrophs)
Thermopsideae(monophyly uncertain)
Thermotogae(hyperthermophilic, obligately anaerobic, fermentive heterotrophs)
Thermovibrio(incertae sedis)
Thermozodium esakii(Mesotardigrada)
Therocephalia(EXTINCT)
Theropoda(bipedal predatory dinosaurs, including birds)
Thesoneura(EXTINCT)
Thespidae(non-monophyletic)
Thiemeia(incertae sedis)
Thinocoridae(seedsnipe)
Thinohyus(EXTINCT)
Thliptoblatta0(incertae sedis)
Thnesidius(EXTINCT)
Thoe albensStuckey 1909
Thoe neozealandicaCarlgren 1924
Thomasomyine group and Sigmodontinae incertae sedis(non-monophyletic)
Thomisidae(crab spiders)
Thoraciliacus(EXTINCT)
Thoracopteridae(EXTINCT)
Thraupidae(tanagers)
Threskiornithidae(ibises)
Thrinaxodontidae(EXTINCT)
Thyestiida(EXTINCT)
Thyrididae(picture-winged leaf moths)
Thyropteridae(Disk-winged Bats)
Thysanoptera(thrips)
ThysanoteuthidaeKeferstein, 1866
Thysanura(silverfish and firebrats)
Tiarasmilia(EXTINCT)
Timaliidae(babblers, white-eyes, sylviine warblers)
Tinagma(=Douglasia)
Tinamiformes(Tinamous)
Tinamotis(Puna Tinamou and Patagonian Tinamou)
Tinamotis(Puna Tinamou and Patagonian Tinamou)
T-ingoufi(Patagonian Tinamou)
T-pentlandii(Puna Tinamou)
Tinamus(Great Tinamou and relatives)
Tinamus(Great Tinamou and relatives)
T-guttatus(White-throated Tinamou)
T-major(Great Tinamou)
T-osgoodi(Black Tinamou)
T-solitarius(Solitary Tinamou)
T-tao(Grey Tinamou)
Tineidae(fungus moths)
Tineodidae(false plume moths)
Tineoidea(bagworm moths, fungus moths, and relatives)
Tingidae(lace bugs)
Tischeriidae(trumpet leafminer moths)
Tisona(incertae sedis)
Titanodictya(EXTINCT) (incertae sedis)
Titanoptera(EXTINCT)
Titanotylopus(EXTINCT)
Titerina rokycanensis(EXTINCT) (Lower-Middle Ordovician) (incertae sedis)
Tityrinae(tityras)
Tmesiphoroides(EXTINCT)
TodarodinaeAdam 1960
Todidae(todies)
Todus angustirostris(Narrow-billed Tody)
Todus mexicanus(Puerto Rican Tody)
Todus multicolor(Cuban Tody)
Todus subulatus(Broad-billed Tody)
Todus todus(Jamaican Tody)
Tokudaia(incertae sedis)
Tolypelepidida(EXTINCT)
Tomogenius(~5 species)
Torontoceros(EXTINCT)
Torticornis(EXTINCT)
Tortricidae(leafroller moths)
Tortricinae(non-monophyletic)
Torvosauridae(EXTINCT)
Tossunnoria(EXTINCT)
Tragopan(Tragopans)
Tragopan(Tragopans)
T-blythii(Blyth's Tragopan)
T-caboti(Cabot's Tragopan)
T-melanocephalus(Western Tragopan)
T-satyra(Satyr Tragopan)
T-temminckii(Temminck's Tragopan)
Tragospira(EXTINCT)
Tragulidae(chevrotain and mouse deer)
Tragulus javanicus(lesser mouse deer or lesser Malay chevrotain)
Tragulus napu(greater mouse-deer)
Traquairaspidiformes(EXTINCT)
Trematopidae(EXTINCT)
TremoctopodidaeTryon, 1879
Triactis
T-productaKlunzinger 1877
Triadobatrachus massinoti(EXTINCT)
Triadocupedidae(EXTINCT)
Triadocupes(EXTINCT)
Triadophlebiomorpha(EXTINCT)
Triaplidae(EXTINCT)0(incertae sedis)
Triassocatinius(EXTINCT)
Triassocoleus(EXTINCT)
Triassomachilis uralensis(EXTINCT).
Tribalasia(1 species)
Tribalinae(non-monophyletic)
Tribalus(~50 species)
Trichasteropsida(EXTINCT)
Trichechidae(manatees)
Trichechus inunguis(Amazonian manatee)
Trichechus manatus(West Indian Manatee)
Trichechus senegalensis(West Aftican manatee)
Trichoptera(caddisflies)
Triconodonts(EXTINCT)
Tricupes(EXTINCT)
Tricytarus parviumgulatus(incertae sedis)
Tridentaforma(incertae sedis)
Tridentellidae(F.)
Trifolieae(monophyly uncertain)
Trigonopterygoideas. n.
Trilobites(EXTINCT)
Trilobophorus afarensis(EXTINCT)
Trilophosauria(EXTINCT)
Triphysa(incertae sedis)
Tripocoleus rambulosus(EXTINCT) (incertae sedis)
Tritheledontidae(EXTINCT) (Ictidosauria)
Trochilidae(hummingbirds)
Troctomorpha(parasitic lice {=Phthiraptera] and book lice)
Trogiomorpha(bark lice)
Troglodytidae(wrens)
Trogoniformes(Trogons)
Trogossitidae(bark-gnawing beetles, cadelles)
Trombidiformes(= Sphaerolichida + Prostigmata)
Troodontidae(EXTINCT)
Tropidomantinae(non-monophyletic)
Tsagantegia(EXTINCT)0(incertae sedis)
Tsaidamotherium(EXTINCT)
Tselfatiformes(EXTINCT)Cretaceous fossils
Tshekardocoleidae(EXTINCT)
Tshekardocoleus(EXTINCT)
Tshekardohymen(EXTINCT)
Tsuga(s.l.)
Tubulidentata(aardvark)
Tulerpeton(EXTINCT)
Tupaia(tree shrews) (monophyly uncertain)
Tupaia(tree shrews) (monophyly uncertain)
T-miocenica(EXTINCT)
Turanovia(EXTINCT)
Turcocerus(EXTINCT)
Turdidae(thrushes)
Turnbullia(EXTINCT) (incertae sedis)
Turneropterum(EXTINCT)
Turnicidae(button-quails)
Two Medicine tyrannosaurine(EXTINCT)
Tychticupes(EXTINCT)
Tychticupoides grjasevi(EXTINCT)
Tychtodelopterum(EXTINCT)
Tylolasius inflatus(EXTINCT) (incertae sedis)
Tylomyinae(vesper and climbing rats)
Tylopoda(camels, llamas, and extinct relatives)
Tylopterella(EXTINCT) (incertae sedis)
Tympanophorinae(Balloon-winged katydids)
Tympanuchus(Sharp-tailed Grouse and Prairie Chickens)
Tympanuchus(Sharp-tailed Grouse and Prairie Chickens)
T-cupido(Greater Prairie Chicken)
T-pallidicinctus(Lesser Prairie Chicken)
T-phasianellus(Sharp-tailed Grouse)
Tyranni(tyrant flycatchers and relatives)
Tyrannides(New World suboscines)
Tyrannosauridae(EXTINCT)
Tyrannosaurinae(EXTINCT)
Tyrannosauroidea(EXTINCT)
Tyrannosaurus rex(EXTINCT)
Tyrrhenotragus(EXTINCT)
Tyto
T-alba(Barn Owl)
T-aurantia(Golden Masked Owl)
T-capensis(Grass Owl)
T-glaucops(Ashy-faced Owl)
T-inexspectata(Minahassa Masked Owl)
T-manusi(Manus Masked Owl)
T-multipunctata(Lesser Sooty Owl)
T-nigrobrunnea(Taliabu Masked Owl)
T-novaehollandiae(Australian Masked Owl)
T-rosenbergii(Sulawesi Masked Owl )
T-sororcula(Moluccan Masked Owl)
T-soumagnei(Red Owl)
T-tenebricosa(Greater Sooty Owl)
Tytonidae(Barn Owls, Masked Owls, and relatives)
Udaiana cynis(incertae sedis)
Uittienia Dialium, Dicornynia, (monophyly uncertain)
Ulmaceae(elm family)
Ulmeriella(EXTINCT) (incertae sedis)
Ulmeriella(EXTINCT) (incertae sedis)
U-aquisextana(EXTINCT) (Upper Oligocene of France)
U-bauckhorni(EXTINCT) (Upper Oligocene of Germany)
U-cockerelli(EXTINCT) (Upper Oligocene of Siberia)
U-latahensis(EXTINCT) (Upper Miocene of Washington, USA)
U-martynovi(EXTINCT) (Lower Miocene of Germany)
U-pliocenica(EXTINCT) (Mio-Pliocene of France)
U-rubiensis(EXTINCT) (Oligocene of Montana, USA)
U-shizukuishiensis(EXTINCT) (Upper Miocene of Japan)
U-straussi(EXTINCT) (Pliocene of Germany)
U-uemurai(EXTINCT) (Upper Miocene of Japan)
U-willershausensis(EXTINCT) (Pliocene of Germany)
Uloboridae(hackled-band orb weavers)
Ultratitan(EXTINCT)
Umenocoleus(EXTINCT)
Umoricoleus perplex(EXTINCT)
Uncertainly placed orders and families of Dothideomycetes(non-monophyletic)
Undiatina(EXTINCT)
Upupidae(hoopoes)
Uralelytron(EXTINCT)
Uralia(EXTINCT)
Uralocoleus(EXTINCT)
Uralocupes major(EXTINCT)
Uraloptysmatidae(EXTINCT)
Uraniidae(swallowtail moths)
Uratelornis chimaera(Long-tailed Ground Roller)
Urmiatherium(EXTINCT)
Urochordata(tunicates)
Urodidae(false burnet moths)
Urogale everetti(Philippine tree shrew)
Uroglaux dimorpha(Papuan Hawk-Owl)
Uropsalis(Swallow-tailed Nightjar and relatives)
Uropsalis(Swallow-tailed Nightjar and relatives)
U-lyra(Lyre-tailed Nightjar)
U-segmentata(Swallow-tailed Nightjar)
Urosaurus(tree lizards)
UroteuthisRehder, 1945
Urotriorchis(incertae sedis)
Ursidae(bears and giant panda)
Urticaceae(nettle family) (non-monophyletic)
Urticina antarcticaVerrill 1922
Urticina callosaVerrill 1882
Urticina carlgreniClubb 1902
Urticina columbianaVerrill 1922
Urticina perdixVerrill 1882
Urticina sulcataClubb 1902
Urticinopsis
U-crassaCarlgren 1928 [sic]
Urumqia liudaowanensis(EXTINCT)
Ustilaginomycotina(smut fungi)
Utegenia shpinari(EXTINCT)
Vagrantini(monophyly uncertain)
Valdeania(EXTINCT)
Valditermes(EXTINCT) (incertae sedis)
Valditermes(EXTINCT) (incertae sedis)
V-acutipennis(EXTINCT) (Lower Cretaceous of Mongolia)
V-brenanae(EXTINCT) (Lower Cretaceous of England)
Valencinidae(monophyly uncertain) (incertae sedis)
Valloisella lievensis(EXTINCT)
Vampyrellids(fungus- and alga-eating amoebae)
VampyromorphaRobson, 1929
Vandeleura(incertae sedis)
Vanessa
V-altissima(incertae sedis)
V-buana(incertae sedis)
V-tameamea(incertae sedis)
V-terpsichore(incertae sedis)
Vangidae(vangas)
Varanopseidae(EXTINCT)
Varecia variegata(ruffed lemur)
Vatinae(non-monophyletic)
Vectevania vetula(EXTINCT) (incertae sedis)
Veles binotatus(Brown Nightjar)
Veliidae(broad-shouldered water striders)
VelodonaChun, 1915
Venelytron(EXTINCT) (incertae sedis)
Ventastega(EXTINCT)
Verbenaceae(verbena family)
Vermilingua(anteaters)
Verrallia
V-andreei(EXTINCT)
V-exstincta(EXTINCT)
V-kerteszia(EXTINCT)
Verrucomicrobia(terrestrial, aquatic, some associated with eukaryotic hosts)
Vertebrata(lampreys and jawed vertebrates)
Vespertilionoidea(Evening Bats)
Vetigastropoda & relatives(e.g., abalone, top-snails, keyhole limpets, turban shells)
Viatarix cinctaHaddon and Schackleton [sic] 1893
Viatrix globuliferaVerrill 1899
Victalimulus mcqueeni(EXTINCT)
Victoria(giant water lilies)
Vicugna vicugna(vicugna)
Vieraella herbsti(EXTINCT) (incertae sedis)
Villebrunasteridae(EXTINCT)
Vilvia(EXTINCT)
Vilviopsis(EXTINCT)
Violaceae(violet family)
Vireonidae(vireos)
Viruses0(non-monophyletic) (incertae sedis)
Vishnucobus(EXTINCT)
Vishnumeryx(EXTINCT)
Vishnutherium(EXTINCT)
Vitaceae(grape family) (incertae sedis)
Vitimiphotina corrugata(EXTINCT) (Lower Cretaceous, Zaza Formation, Siberia)
Vitimotauliidae(EXTINCT) (incertae sedis)
VitreledonellidaeRobson, 1932
Viverravidae(EXTINCT)
Viverridae(civets, linsangs, genets, etc.)
Vivianiaceae(incl. Ledocarpaceae)
Volutoidea(non-monophyletic)
Volzeioidea(EXTINCT)
Vorkutia(EXTINCT)
Vorkutoneura(EXTINCT)
VosseledonePalacio, 1978
Votocoleus submissus(EXTINCT)
VulcanoctopusGonzalez and Guerra, 1998
Wadilemur elegans(EXTINCT)
Walangania(EXTINCT)
Wallemiomycetes(incertae sedis)
WalvisteuthisNesis and Nikitina 1986
WataseniaIshikawa 1914
Weigela(monophyly uncertain)
Weinbergina(EXTINCT)
Wellsia(EXTINCT)
Wellsiana(EXTINCT)
Wellsotrochus(EXTINCT)
West African lineage(incertae sedis)
Western Hemisphere Loxandrus(non-monophyletic)
Westlothiana(EXTINCT)
Whatcheeria(EXTINCT)
Willwerathia(EXTINCT) (incertae sedis)
Wolterstorffiella wiggeri(EXTINCT)0(incertae sedis)
Woodwardopteridae(EXTINCT)
Xaniopyramis(EXTINCT)
Xanthocephalus xanthocephalus(Yellow-headed Blackbird)
Xanthopsar flavus(Saffron-cowled Blackbird)
Xenelytron(EXTINCT)
Xenoglaux loweryi(Long-whiskered Owlet)
Xenohyus(EXTINCT)
Xenonychus(2 species)
Xenoperdix udzungwensis(Udzungwa Forest Partridge)
Xenophilothis(1 species)
Xenophyophores(large marine amoebae)
Xenopus pascuali(EXTINCT)
Xenosiphon0(incertae sedis)
Xenosiren(EXTINCT)
Xenozorotypus burmiticus(EXTINCT) (Cretaceous)
Xerini(African and long-clawed ground squirrels)
Xerosaprinus(~25 species)
Xiphodontidae(EXTINCT)
Xiphosura(horseshoe crabs)
Xiushuiaspis(EXTINCT)
Xyliphius
X-barbatusde Armburu & Armburu, 1962
X-kryptosTaphorn & Lilyestrom, 1983
X-lepturusOrcés, 1962
X-lombarderoiRisso & Risso 1964
X-magdalenaeEigenmann 1912a
X-melanopterusOrcés, 1962
Xylocopinae(carpenter bees)
Xyphosternum(EXTINCT)
Yanbiania(EXTINCT)
Yanjingatermes(EXTINCT) (Early Cretaceous of China)
Ylangella(incertae sedis)
Yndolacia(incertae sedis)
Yongdingia(EXTINCT) (Early Cretaceous of China)
Younginiformes(EXTINCT)
Yponomeutidae(ermine moths)
Yponomeutoidea(ermine moths and relatives)
Yunnanochoerus(EXTINCT)
Yunnanosaurus(EXTINCT)
Yunnanotherium(EXTINCT)
Yunnanozoon(EXTINCT)
Zabromorphus(~21 species)
Zaglossus bruijni(long-beaked echidna)
Zaprochilinae(Pollen katydids) (incertae sedis)
Zarhynchus wagleri**
Zatrachydidae(EXTINCT)
Zeiformes(dories and relatives)
Zenaspidida(EXTINCT)
Zenia(monophyly uncertain)
Zetemenos(EXTINCT) (incertae sedis)
Zhangidris atopogaster(EXTINCT) (incertae sedis)
Zherichinius(EXTINCT) (incertae sedis)
Zherichinius(EXTINCT) (incertae sedis)
Z-horribilis(EXTINCT)
Z-rapax(EXTINCT)
Zigadenia tuberculata(EXTINCT) (incertae sedis)
Zignoichthyidae(EXTINCT)
Ziphiidae(beaked whales)
Zoantharia(sea anemones, stony corals, black corals)
Zorius(2 species)
Zorotypus (Octozoros)(EXTINCT) (Cretaceous)
Zorotypus acanthothorax(EXTINCT) (Cretaceous)
Zorotypus cretatus(EXTINCT) (Cretaceous) (incertae sedis)
Zorotypus goeleti(EXTINCT) (Miocene)
Zorotypus nascimbenei(EXTINCT) (Cretaceous)
Zorotypus palaeus(EXTINCT) (Miocene)
Zygadenia(EXTINCT)
Zygaenidae(burnet moths)
Zygaenoidea(burnet moths and relatives)
Zygomycota(bread molds, Rhizopus, Mucor, etc.) (monophyly uncertain)
Zygophyllaceae(creosote bush family)
Zygopteridales(EXTINCT)
aff. Mastotermes sarthensis(EXTINCT) (Cretaceous amber of France)
eudicots(most flowering plants)
formicoxenine tribe group(monophyly uncertain)
gomphodonts(EXTINCT)
hygrophoroid(monophyly uncertain)
[in press 2006], (EXTINCT) (incertae sedis)
koala lemurs(EXTINCT)
marasmioid(monophyly uncertain)
miscellaneous fossil Mantodea(EXTINCT) (non-monophyletic)
myrmicine tribe group(monophyly uncertain)
non-core Caryophyllales(Polygonales)
nsisCarlgren 1938
(numerous undescribed species)(non-monophyletic)
other amaurobioids(funnel weavers, etc.)
plicaturopsidoid(monophyly uncertain)
pluteoid(monophyly uncertain)
pterostichite grade(non-monophyletic)
solenopsidine tribe group(monophyly uncertain)
"titanoglanis"(incertae sedis)
tricholomatoid(monophyly uncertain)