D. bengalensis group
D. chalybeus group
D. exochus group
D. filiformis group
D. hessei group
D. heydeni group
D. integer group
D. minutus group
D. nitidus group
D. sellatus group
DNA-RNA Reverse Transcribing Viruses(monophyly uncertain)
Dabra
Dabrosoma
Dacatria templaris
Daccordiusa
Dacelo
Daceloninae
Dacetini
Dacetinops
D-cibdelus
D-cirrosus
D-concinnus
D-darlingtoni
D-ignotus
D-solivagus
D-wilsoni
Daceton armigerum
Dachetola
D-azora
D-caligata
D-pione
D-virido
Dacnochilus
Dacnomys
Dacnotillus
Dacochordodes bacescui
Dacrila
Dacrymycetales
Dacrymycetes
Dacrytherium(EXTINCT)
Dactylaptatus
Dactyleurys anomalus
Dactylinius punctipennis
Dactyloceras
Dactylocerca
Dactylochirotida(plated sea cucumbers, in part)
Dactylococcopsis
Dactyloglossa
Dactylopiidae(cochineal insects)
Dactylopodolidae
Dactylopsocus
Dactylopteriformes(flying gurnards)
Dactylopteryx
D-flexuosa
D-intermedia
D-orientalis
Dactylortyx thoracicus(Singing Quail)
Dactylosporangium
Dactylosternum
Dactylostethus
Dactylotrochus
Dadobia
Daedalma
D-dinias
D-drusilla
D-fraudata
D-inconspicua
D-palacio
D-parvomaculata
D-vertex
Daesiidae
Dagon
D-catula
D-morena
D-pusilla
Dahlemhorniidae
Daimio
Daintree
Daitrosister
Dalaca
Dalaca auctt. nec Walker 1856
D-chilensis
Dalaca chiriquensis
Dalaca cocama
D-crocatus
Dalaca cupifera
Dalaca guarani
Dalaca katharinae
D-laminata
Dalaca manoa
Dalaca mummia
Dalaca niepelti
D-nigricornis
Dalaca obliquestrigata
D-pallens
D-patriciae
Dalaca perkeo
D-postvariabilis
D-quadricornis
Dalaca stigmatica
Dalaca tapuja
Dalaca usaque
D-variabilis
Dalaca vibicata
Dalailama bifurca
Dalbergia clade
Dalbergieae pro parte A
Dalbergioid sensu lato clade
Dalbergioid sensu stricto clade
Dalcera
D-abrasa
D-canescens
D-haywardi
D-semirufa
Dalceridae(Tropical slug caterpillar moths)
Dalcerides
D-alba
D-bicolor
D-chirma
D-dulciola
D-flavetta
D-ingenita
D-mesoa
D-nana
D-radians
D-rebella
D-sofia
Dalcerina
D-arhathodota
D-dierrhyeoa
D-fumata
D-muncia
D-tijucana
Dalcerinae
Daleoid clade
Daliacmes
Dalla
D-agathocles
D-bos
D-bubobon
D-caenides
D-caicus
D-calaon
D-calima
D-carnis
D-celsus
D-cocha
D-cola
D-connexa
D-costala
D-crithote
D-cuadrada
D-cupavia
D-curia
D-cyprius
D-cypselus
D-decca
D-dimidiatus
D-diraspes
D-disconnexa
D-dividuum
D-dognini
D-dora
D-eburones
D-epiphaneus
D-eryonas
D-faula
D-frater
D-freemani
D-frontinia
D-gelus
D-genes
D-geon
D-granites
D-grovius
D-hesperioides
D-hilina
D-huanca
D-ibhara
D-jelskyi
D-kemneri
D-lalage
D-lenda
D-lethaea
D-ligilla
D-lorda
D-mars
D-mentor
D-merida
D-mesoxantha
D-miser
D-monospila
D-mora
D-morva
D-nubes
D-ochrolimbata
D-octomaculata
D-orsines
D-oxaites
D-pantha
D-parma
D-pedro
D-pincha
D-plancus
D-polycrates
D-pota
D-pulchra
D-pura
D-puracensis
D-quadristriga
D-quasca
D-ramirezi
D-riza
D-rosea
D-rubia
D-scylla
D-seirocastnia
D-semiargentea
D-sepia
D-simplicis
D-spica
D-steinhauseri
D-superior
D-taza
D-thalia
D-ticidas
D-tona
D-vinca
D-vista
D-wardi
D-xantha
D-xicca
Dallia
Dalma
Dalmatiola
Dalmina
D-(Dalmina)
D-(Dalminiola)
Dalminella
Dalminia
Dalminiastes
Dalminiomus
Dalmisus
Dalmoburis
Dalmodes
Dalmomelba
Dalmomima
Dalmonexus
Dalmophysis
Dalmoplectus
Dalmosanus
Dalmosella
Dalotia
Dalpiazinidae(EXTINCT)
Dama(fallow deer)
D-dama(European fallow deer)
D-mesopotamica(Persian fallow deer)
Damalacra(EXTINCT)
Damalavus(EXTINCT)
Damalinia (Cervicola)
Damalinia (Damalinia)
Damalinia (Tricholipeurus)
Damaliscus hunteri(hirola)
Damaliscus lunatus(topi)
Damaliscus pygargus(bontebok)
Damalops(EXTINCT)
Damas
D-clavus
D-horridus
D-immacula
Damilinidius
Danainae
Danaini
Danaphryne
Danaus
D-(Anosia)
D-(Danaus)
D-(Salatura)
D-affinis
D-chrysippus(The African Queen) (monophyly uncertain)
D-cleophile
D-eresimus(The Soldier)
D-erippus
D-genutia(The Striped Tiger)
D-gilippus(The Queen)
D-ismare
D-melanippus
D-petilia
D-plexaure
D-plexippus(The Monarch Butterfly)
Dandenong
Dangond dangondi(incertae sedis)
Daniella
Dankomys(EXTINCT) (incertae sedis)
Dantiscanus(EXTINCT)
Danuria
D-(Danuria)
DD-angusticollis
DD-buchholzi
DD-contorta
DD-gracilis
DD-impannosa
DD-obscuripennis
DD-sublineata
DD-thunbergi
D-(Danuriodes)
DD-affinis
DD-barbozae
DD-congica
DD-kilimandjarica
Danuriella
D-irregularis
D-madagascariensis
D-marojejyensis
Danuriini
Daolus
Daontesia
Daphniphyllaceae
Daphoenositta(sittellas)
Daptesister
Daptrius ater(black caracara)
Darchenia
Darcythompsoniidae
Dardarina
D-amadryas
D-aspila
D-castra
D-dardaris
D-daridaeus
D-gaucha
D-jonesi
D-para
D-rana
D-salta
D-tessellatus
D-umuarama
Dardurus
Darodilia
Darpa
D-hanria
D-inopinata
D-pteria
D-striata
Darwinulidae
Dascillidae(soft-bodied plant beetles)
Dascillinae
Dascilloidea
Dascillus
Dasmia(EXTINCT)
Dasmiopsis(EXTINCT)
Dasmosmilia
Daspletosaurus torosus(EXTINCT)
Dasyaceae
Dasyblatta
Dasycera
Dasycerinae
Dasycleobis
Dasydorylas
D-australinus
D-cinctus
D-discoidalis
D-dolichostigmus
D-dorsalis
D-eucalypti
D-fallax
D-filiformis
D-gradus
D-holosericeus
D-horridus
D-infissus
D-lamellifer
D-monothrix
D-nigripedes
D-orientalis
D-quasidorsalis
D-roseri
D-setosilobus
D-setosus
D-sordidatus
Dasydytidae
Dasygnypeta
Dasyleptus brongniarti(EXTINCT)
Dasyleptus lucasi(EXTINCT)
Dasyleptus noli(EXTINCT)
Dasymera
Dasymys(incertae sedis)
Dasyonyginae
Dasyophthalma
D-creusa
D-geraensis
D-rusina
D-vertebralis
Dasyornis(bristlebirds)
Dasypelates
Dasypodidae
Dasypops
Dasyscorpiops
Dasytricheta
Dasyuromorphia(Australasian carnivorous marsupials)
Datiscaceae
Daubentonia madagascariensis(aye-aye)
Daubentonia robusta(EXTINCT)
Davalliaceae
Daveyia
Davidia
Davidiellaceae
Davidina(incertae sedis)
D-alticola
D-armandi
Davidraena
Dayia(monophyly uncertain)
Debeckeria
Decamastinocerus
Decamorium
D-decem
D-uelense
Decapauropus
Decaphellia
D-psammomitraBourne 1918
Decapoda(crabs, crayfishes, lobsters, prawns, shrimp)
DecapodiformesLeach, 1817(squids, cuttlefishes and their relatives)
Decarthrina
Decarthron
D-(Decarfuss)
D-(Decarthron)
Decatocerus
Decazethodes
Decazethus
Decennatherium(EXTINCT)
Decepta Group
Decevania
Decimiana
D-bolivari
D-clavata
D-hebardi
D-rehni
D-tessellata
Decinea
D-dama
D-decinea
D-lucifer
D-mammaea
D-milesi
D-mustea
D-neroides
D-percosius
D-rindgei
D-zapota
Decipisagitta
D-decipiens
D-sibogae
Decliniidae
Decogmus
Decumarellus
Decuria
Decusa
Deelemaniella
Deferribacter
Deferribacteres(a group of aquatic, anaerobic bacteria)
Degalliera
Degeeriellidae
Degeneriaceae
Dehalobacter
Deilotherium(EXTINCT)
Deinelenchus
D-australensis
D-berrimahensis
D-deviatus
D-hemifer
D-nigeriensis
D-sabahensis
Deinococcus
Deinococcus-Thermus(a group of extremophiles)
Deinopidae(ogre-faced or net-casting spiders)
Deinopoidea
Deinopsini
Deinopsis
D-apicicornis0(incertae sedis)
D-canadensis
D-erosa
D-franki0(incertae sedis)
D-harringtoni
D-illinoisensis
D-minor
D-modesta
D-pulawskii
D-queenslandica
D-rapida
D-rhadina
D-stephani0(incertae sedis)
D-texana
D-virginiana
Deinopteroloma
Deinotheriidae(EXTINCT)
Deiphobe
D-australiana
D-brevipennis
D-brunneri
D-incisa
D-indica
D-infuscata
D-longipes
D-mesomelas
D-yunnanensis
Deiphobella
D-gardeneri
D-laticeps
Dejageria
Dejerosa
Delahomeryx(EXTINCT)
Delamarea
Delamarentulus
Deleaster
Delenda
Delesseriaceae
Delevea
D-bertrandi
D-namibensis
Delias
D-acalis
D-aganippe
D-agoranis
D-agostina
D-alberti
D-albertisi
D-alepa
D-angabungana
D-angiensis
D-antara
D-apatela
D-arabuana
D-argentata
D-argenthona
D-aroae
D-aruna
D-auriantica
D-autumnalis
D-awongkor
D-bagoe
D-bakeri
D-balimensis
D-baracasa
D-battana
D-belisama
D-belladonna
D-benasu
D-berinda
D-biaka
D-blanca
D-bobaga
D-bornemannii
D-bosnikiana
D-bothwelli
D-brandti
D-caliban
D-callima
D-callista
D-campbelli
D-candida
D-caroli
D-carstensziana
D-castaneus
D-catisa
D-catocausta
D-ceneus
D-chimbu
D-chrysomelaena
D-citrona
D-clathrata
D-crithoe
D-cuningputi
D-cyclosticha
D-descombesi
D-diaphana
D-dice
D-discus
D-dixeyi
D-dohertyi
D-dorimene
D-dorylaea
D-doylei
D-dumasi
D-duris
D-echidna
D-eichhorni
D-eileenae
D-ellipsis
D-elongatus
D-endela
D-ennia
D-enniana
D-eschatia
D-eucharis
D-eudiabolas
D-eumolpe
D-euphemia
D-eximia
D-fascelis
D-fasciata
D-flavissima
D-flavistriga
D-frater
D-fruhstorferi
D-funerea
D-gabia
D-georgina
D-geraldina
D-germana
D-gilliardi
D-hagenensis
D-hallstromi
D-hapalina
D-harpalyce
D-heliophora
D-hempeli
D-henningia
D-heroni
D-hippodamia
D-hyparete
D-hyperapproximata
D-hypomelas
D-iltis
D-imitator
D-isocharis
D-isse
D-itamputi
D-joiceyi
D-jordani
D-kazueae
D-kenricki
D-klossi
D-konokono
D-kuehni
D-kummeri
D-ladas
D-lativitta
D-lecerfi
D-lemoulti
D-leucias
D-leucobalia
D-levicki
D-ligata
D-luctuosa
D-lytaea
D-madetes
D-manuselensis
D-marguerita
D-mariae
D-maudei
D-mavroneria
D-meeki
D-melusina
D-mesoblema
D-messalina
D-microsticha
D-mira
D-mitisi
D-momea
D-muliensis
D-mysis
D-nais
D-narses
D-niepelti
D-niewenhuisi
D-nigrina
D-nigropunctata
D-ninus
D-nuydaorum
D-nysa
D-oktanglap
D-oraia
D-ornytion
D-pasithoe
D-patrua
D-periboea
D-pheres
D-phippsi
D-poecila
D-pratti
D-prouti
D-ribbei
D-rileyi
D-rosamontana
D-rosenbergi
D-rothschildi
D-sacha
D-sagessa
D-salvini
D-sambawana
D-sanaca
D-schmassmanni
D-schoenbergi
D-schuppi
D-shirozui
D-singhapura
D-sphenodiscus
D-splendida
D-stresemanni
D-subapicalis
D-subviridis
D-surprisa
D-talboti
D-themis
D-thompsoni
D-timorensis
D-totila
D-toxopei
D-vidua
D-vietnamensis
D-weiskei
D-wilemani
D-wollastoni
D-woodi
D-yabensis
D-zebra
D-zebuda
Delibius
Delimetrium
Delinius
Deliodes
Deliphrosoma
Deliphrum
D-(Arpediopsis)
D-(Deliphrum)
Delitschia
Delitschiaceae(monophyly uncertain)
Delitzschala bitterfeldensis(EXTINCT)
Dellabeffaella
Delomys
Delonusa
Delopterum(EXTINCT)
Delosia
Delphacidae
Delphinidae(true dolphins)
Delphinoidea(dolphins, porpoises, beluga, narhwal)
Deltapapillomavirus
Deltaretrovirus
Deltavirus
Deltoclita
Deltocyathoides
Deltocyathus
Deltostethus
Demerilla
Demerina
Demerinda
Demetria
Demogenes
Demoglena
Demospongiae
Dendragapus obscurus(Blue Grouse)
Dendrerpeton(EXTINCT)
Dendrobates
Dendrobatidae
Dendrobiella
Dendroblatta
Dendrobranchiata
Dendroceros
Dendrocerotaceae
Dendrochirotida(suspension-feeding sea cucumbers) (non-monophyletic)
Dendrocolaptidae(woodcreepers)
Dendrocollybia
Dendrocyathus(EXTINCT)
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)
D-melanura
D-murina
Dendrogastrida
D-e
Dendrohyrax(tree or bush hyraxes)
D-arboreus
D-dorsalis
D-validus
Dendromurinae(African climbing mice, gerbil mice, fat mice, and forest mice)
Dendroperdix sephaena(Crested Francolin)
Dendrophilini
Dendrophilus californicus
Dendrophilus opacus
Dendrophilus proditor
Dendrophilus punctatus
Dendrophilus pygmaeus
Dendrophilus sulcatus
Dendrophilus tularensis
Dendrophilus xavieri
Dendrophryniscus
Dendrophylliina
Dendrortyx(Wood Partridges)
D-barbatus(Bearded Wood Partridge)
D-leucophrys(Buffy-crowned Wood Partridge)
D-macroura(Long-tailed Wood Partridge)
Dendrosmilia(EXTINCT)
Dendrosporobacter
Dendrotriton
Dendroxena
Dendryphantes
D-amphibolus
D-andinus
D-balteatus
D-barrosmachadoi
D-biankii
D-bimaculatus
D-bisquinquepunctatus
D-calus
D-canariensis
D-capensis
D-caporiaccoi
D-carmenensis
D-catus
D-centromaculatus
D-chera
D-chuldensis
D-coccineocinctus
D-comatus
D-czekanowskii
D-duodecempunctatus
D-flavicomis
D-foveolatus
D-franganilloi
D-fulvipes
D-fusconotatus
D-gertschi
D-granti
D-hastatus
D-hewitti
D-honestus
D-huberi
D-incertus
D-insolitus
D-lanipes
D-lepidus
D-madrynensis
D-melanomerus
D-mendicus
D-modestus
D-moebi
D-mordax
D-musae
D-nicator
D-nidicolides
D-nigromaculatus
D-niveornatus
D-nobilis
D-noxiosus
D-pallidus
D-palmensis
D-patagonicus
D-praeposterus
D-pugnax
D-purcelli
D-quesitus
D-reimoseri
D-rudis
D-sacci
D-schultzei
D-seriatus
D-sexguttatus
D-spinosissimus
D-strenuus
D-tuvinensis
D-zygoballoides
Dendryphantinae
Denitrobacterium
Denitrovibrio
Dennstaedtiaceae(non-monophyletic)
Denon
Densovirinae
Densovirus
Dentaphila
Dentazyras
Dentispicotermes
Dentridactylinae
Deomyinae(spiny mice, brush-furred mice and rats)
Deomys
Dependovirus
Deperetellidae(EXTINCT)
Depressariidae
Derallus
Deramas
D-alixae
D-antynax
D-anyx
D-arshadorum
D-basrii
D-bidotata
D-cham
D-evelynae
D-ikedai
D-jasoda
D-kawazoei
D-livens
D-manobo
D-masae
D-montana
D-nanae
D-nelvis
D-nigriscens
D-nolens
D-osamui
D-philippensis
D-sumikat
D-suwartinae
D-talophi
D-tomokoae
D-toshikoae
D-treadawayi
D-woolletti
Derbidae
Dercas
D-lycorias
D-verhuelli
Dercylini
Derelina
Derema
Deremilla
Derichthyidae
Dericorythinae(include Anamesacridinae Dirsh 1975)
Derived araneoids
Dermabacter
Dermacoccus
Dermaptera(earwigs)
Dermapteron(EXTINCT)
Dermatias
Dermatohomoeus
Dermatonotus
Dermatophilus
Dermelytridae
Dermelytron(EXTINCT)
Dermestidae(skin beetles)
Dermocarpella
Dermoptera(colugos or flying lemurs)
Dermotherium(EXTINCT)
Derocala
Derocalymma
Derocardia
Deroderus
Derodontidae
Derodontus
Derolathrus
Deroleptus
Deromantis limbalicollis
Deropeltis
Deropini
Deroplatyinae
Deroplatys
D-angustata
D-desiccata
D-gorochovi
D-lobata
D-moultoni
D-philippinica
D-rhombica
D-sarawaca
D-shelfordi
D-trigonodera
D-truncata
Deroplectus
Descanso
Desemzia
Desfontainia spinosa
Desidae
Desimia
D-(Desimia)
D-(Desimiella)
D-(Xenodesimia)
Desmidiaceae
Desmognathus
D-aeneus
D-apalachicolae
D-auriculatus
D-brimleyorum
D-carolinensis
D-conanti
D-fuscus 1(Vermont)
D-fuscus 2(North Carolina)
D-imitator
D-marmoratus
D-monticola
D-ochrophaeus
D-ocoee
D-orestes
D-quadramaculatus
D-santeetlah
D-welteri
D-wrighti
Desmolycaena
Desmomys
Desmophyllum
Desmosia
Desmostylia(EXTINCT)
Desmothoracids(several genera of heliozoon-like protists)
Desmozosteria
Despaxia
Desulfarculus baarsii
Desulfitobacterium
Desulfobacterales
Desulfonispora
Desulfosporosinus
Desulfotomaculum
Desulfovibrionales
Desulfurellales
Desulfurobacterium(incertae sedis)
Desulfurococcus
Desulfuromonales
Detarieae sensu lato
Detarieae sensu stricto
'Detarium' clade
Dethiosulfovibrio
Detritivora
D-argyrea
D-ariquemes
D-barnesi
D-brasilia
D-breves
D-cacaulandia
D-callaghani
D-caryatis
D-cleonus
D-cuiaba
D-gallardi
D-gynaea
D-hermodora
D-humaita
D-ipiranga
D-iquitos
D-ma
D-major
D-manicore
D-manu
D-matic
D-maues
D-negro
D-nicolayi
D-palcazu
D-rocana
D-santarem
D-smalli
D-tapajos
D-tefe
D-zama
Deuterophlebiidae
Deuterostomia(vertebrates, echinoderms, tunicates, etc.)
Deuterotyrus(EXTINCT)
Developayella
Devia
Devonobius delta(EXTINCT)
Dewittea
Dexicrates
Dexiinae
Dexiogyia
Dexippus
Dhanya
D-andrewesi
D-bioculata
D-cylindrella
D-mulu
D-parallela
D-seminigra
Dhysores
D-basilewskyi
D-biimpressus
D-liber
D-pan
D-quadriimpressus
D-rhodesianus
D-thoreyi
Dhysorina
Diabainella
Diabantia
D-minima
D-perparva
Diacamma
D-assamense
D-australe
D-baguiense
D-bispinosum
D-ceylonense
D-cupreum
D-cyaneiventre
D-holosericeum
D-intricatum
D-jacobsoni
D-longitudinale
D-palawanicum
D-panayense
D-purpureum
D-rugivertex
D-rugosum
D-scalpratum
D-sericeiventre
D-tritschleri
Diacanthochara
Diacheila
D-arctica
D-fausti
D-polita
Diachipteryx paradoxa
Diachromus
Diadectomorpha(EXTINCT)
Diadumene cinctaStephenson 1925
Diadumene kameruniensisCarlgren 1927
Diadumene neozelandicaCarlgren 1924
Diadumenidae
Diaea
Diaethria
D-anna
D-astala
D-bacchis
D-candrena
D-ceryx
D-clymena
D-eluina
D-euclides
D-gabaza
D-neglecta
D-nystographa
D-pandama
Diaeus
D-ambata
D-lacaena
D-variegata
D-varna
Diaixidae
Dialister
Dialycera
Diamesus
Diamminae
Diamphipnoidae
Dianema
D-longibarbis
D-urostriatum
Dianesa
Dianusa
Diapensiaceae
Diapha(EXTINCT) (incertae sedis)
Diaphanoptera(EXTINCT)
Diaphanopteridae
Diaphanopterodea(EXTINCT)
Diaphanos(incertae sedis)
D-[n. sp.]
D-curvignathos
D-fuscus
D-huberi
Diapontia
Diaposis
Diapriidae
Diapriinae
Diaprysius
Diapsida(lizards, crocodiles, birds, Sphenodon, and their extinct relatives)
Diaptomidae
Diarrogus
Diartiger
Diasimognathus
Diaspididae(armored scales)
Diastatidae
Diatelium
Diathema(EXTINCT)
Diathemidae
Diathemidia(EXTINCT)
Diatoms
Diatrechus
Diatypus
Diaugis
Diaulota
Dibamidae(incertae sedis)
Dibelonetes
D-(Brachynetes)
D-(Dibelonetes)
D-(Heteronetes)
D-(Melanetes)
Dibelophacis
Diblasus(EXTINCT)
Dibothroglyptus
Dibranchus
Dicaeidae(flowerpeckers)
Dicaelina
Dicaelindus
Dicaelus
D-(Dicaelus)
D-(Liodicaelus)
D-(Paradicaelus)
D-abbreviatus
D-alternans
D-ambiguus
D-chermocki
D-costatus
D-crenatus
D-dilatatus
D-elongatus
D-franclemonti
D-furvus
D-laevipennis
D-politus
D-purpuratus
D-sculptilus
D-suffusus
D-teter
Dicallaneura
D-albosignata
D-amabilis
D-decorata
D-ekeikei
D-exiguus
D-fulvofasciata
D-hyacinthus
D-kausambides
D-kirschi
D-leucomelas
D-pelidna
D-princessa
D-pulchra
D-ribbei
D-virgo
Dicamptodon aterrimus
Dicamptodon copei
Dicamptodon ensatus
Dicamptodon tenebrosus
Dicamptodontidae
Dicax
Dicellonotus
Dicentrius
Diceratias
Diceratiidae(Double-spine Seadevils)
Diceromerus
Dichaeturidae
Dichapetalaceae
Dicheirus
Dichelesthiidae
Dichelinidae
Dichobunidae(EXTINCT) (non-monophyletic)
Dichocoryna
Dichorragia
D-nesimachus
D-ninus
Dichozethinus
Dicistroviridae
Dicksoniaceae
Diclipterinae
Dicranales
Dicraniidae
Dicranophoridae
Dicranophoroides
Dicranophorus
Dicranoses capsulifex
Dicranoses congregatella
Dicroaspis
D-cryptocera
D-laevidens
Dicrobiotus
Dicrocerus(EXTINCT)
Dicrochilina
Dicruridae(drongos)
Dictydiella
Dictynidae
Dictynoidea
Dictyoblattella
Dictyochales
Dictyoglomi(thermophilic chemoorganotrophs)
Dictyoglomus thermophilum
Dictyoglomus turgidum
Dictyon
Dictyoneura(EXTINCT)
Dictyoneuridae(EXTINCT)
Dictyoneurula(EXTINCT)
Dictyopharidae
Dictyopsocus
D-pennicornis
Dictyoptera(cockroaches, termites, mantids)
Dictyoptilus(EXTINCT)
Dicuspiditermes
Dicuspidoxenus
Dicuspiphilus
Dicyemidae
Dicyrtoma
Dicyrtomidae
Dicyrtomina
Didelphimorphia(American opossums)
Didiereaceae
Didymeles
Didymocarpeae-1
Didymocarpeae-2
Didymocarpeae-3
Didymocentrus
Didymocephalus
Didymocorypha lanceolata
Didymodactylus
Didynamipus
Diegodendraceae
Dieroxenus
Diervilla
Diervilleae
Diestota
D-(Aphaenoglossa)
D-(Apheloglossa)
D-(Diestota)
D-(Eutrichostygna)
D-(Ocyupora)
Dietopsa
Dietzia
Diexinae
Diexodus(EXTINCT) (incertae sedis)
Digenea
Diglotta
Diglottini
Dignathodontidae
Digordius(non-monophyletic)
Digrammini
Diguetidae
Dihoplotermes
Dihybocercus
Dikerocoleus divisus(EXTINCT)
Dikraspedella
Dilaridae
Dilatempusa aegyptiaca
Dilinium
Dilipa
D-fenestra
D-morgiana
Dilleniaceae(incertae sedis)
Dilobidiontura
Dilobocondyla
D-borneensis
D-cataulacoidea
D-chapmani
D-didita
D-fouqueti
D-fulva
D-karnyi
D-sebesiana
D-selebensis
Dimantis haani
Dimargaritales
Dimastiglossa
Dimerini
Dimerometopina
Dimetra craibiana
Dimizonops
Dimonomera
Dimorphids(several genera of heliozoon-like flagellates)
Dimorphognathus
Dimorphozethus
Dimylidae(EXTINCT)
Dinapatini
Dinaraea
Dinarda
Dinardilla
Dinardopsis
Dinembia ferruginea
Dineutes
Dingana
D-alaedus
D-bowkeri
D-dingana
Dingosa
Dinidoridae
Dinjapygidae
Dinocephalia(EXTINCT)
Dinocoryna
Dinocras
Dinoderinae
Dinoderopsis
Dinoderus
Dinoflagellates
Dinoponera
D-australis
D-gigantea
D-longipes
D-lucida
D-mutica
D-quadriceps
Dinopontiidae
Dinopsocus
Dinornis(EXTINCT)
Dinornithidae(EXTINCT) (Moa)
Dinosauria(Dinosaurs and birds)
Dinothenarus
D-(Dinothenarus)
D-(Parabemus)
Dinusa
Dinusella
Diochini
Diochlistinae
Diochus
Diodontidae
Diogenidae
Diomediidae(albatrosses)
Dion
D-carmenta
D-gemmatus
D-meda
Dioncophyllaceae
Dione
D-glycera
D-juno
D-moneta
Dionycha(jumping spiders, crab spiders, etc.)
Dioplotherium(EXTINCT)
Diopsidae
Diopsoidea
Dioptoma
Diosaccidae
Dioscoreaceae
Dioscoreales
Dioxeuta
Dioxycanus
D-fusca
D-oreas
Dipelta
Dipentium
Diphaglossinae
Diphylleia(genus of heterotrophic flagellates)
Diphysiales
Diplacanthoda
D-bouvieri
Diplactis bermudensisMc Murrich [sic] 1889
Diplartiopus(EXTINCT)
Dipleuchlanis
Diplhelia(EXTINCT)
Diplobune(EXTINCT)
Diplobunops(EXTINCT)
Diplocalyx
Diplocentridae
Diplocentrinae
Diplocentrus
Diplocheila
Diplocladon
Diplodipelta(EXTINCT)
Diploeciton
Diplogasterida
Diplois
Diplomaragnidae
Diplomelinus
Diplomorium longipenne
Diplomystidae
Diplopaederus
Diplopanax
Diploperlini
Diplophrys
Diplopleurus
Diplopoda(millipedes)
Diplopoterina0(incertae sedis)
Diploptera
Diplopterinae
Diplostictus
Diplostix
Diplotychus
Diploxenus
Diplura
Dipluridae
Dipnoi
Dipodoidea(birch mice, jumping mice, jerboas)
Diprotodontia(kangaroos, wallabies, possums, koalas, gliders, wombats, etc.)
Dipsacaceae(teasel)
Dipsacales
Dipseudopsidae
Dipsocoridae(jumping ground bugs)
Dipsocoromorpha
Diptera(flies)
Dipteretrum
Dipteridaceae
Dipterocarpaceae
Dipteropeltis
Dipterophagus daci
Dira
D-clytus
D-jansei
D-oxylus
D-swanepoeli
Dirachmaceae
Diradius
Dircenna
D-adina
D-dero
D-jemima
D-klugii
D-loreta
D-olyras
Dircennina
Dirini
Dirivultidae
Dirocephalus
Diroptrus
Dirrhopinae
Disarthricerina
Discerota
Dischistocalyx
Disclerophalli
Discocelis(genus of heterotrophic flagellates)
Discodeles
Discoglossidae
Discoglossus
Discoidae
Discolomidae
Discophora
D-bambusae
D-celinde
D-deo
D-dodong
D-lepida
D-necho
D-ogina
D-simplex
D-sondaica
D-timora
Discosauriscus(EXTINCT)
D-austriacus(EXTINCT)
D-pulcherrimus(EXTINCT)
Discoscelis
Discosoma ambonensisKwietniewski 1897
Discosoma macrodactylusHaddon and Shackleton 1893
Discosoma maluHaddon and Shackleton 1893
Discotettiginae
DiscoteuthisYoung and Roper, 1969
D-discusYoung and Roper 1969
D-laciniosaYoung and Roper 1969
D-sp. A
D-sp. B
Discothyrea
D-antarctica
Discoxenus
Discozantaena
Dismorphia
D-[n. sp.]
D-altis
D-amphione
D-arcadia
D-astyocha
D-boliviana
D-crisia
D-cubana
D-eunoe
D-hyposticta
D-laja
D-lelex
D-lewyi
D-lua
D-lycosura
D-lygdamis
D-lysis
D-medora
D-medorilla
D-melia
D-mirandola
D-niepelti
D-pseudolewyi
D-spio
D-teresa
D-thermesia
D-thermesina
D-theucharila
D-zaela
D-zathoe
Dismorphiinae
Disopsocus
D-megacheilus
Dispar
Disparida(EXTINCT)
Disphaericus
D-alluaudi
D-benadirensis
D-carinulatus
D-clavicornis
D-conradti
D-deplanatus
D-gambianus
D-insulanus
D-katangensis
D-kolbei
D-meneghettii
D-multiporus
D-quangoanus
D-rhodesianus
D-silvestrii
D-tarsalis
D-zavattarii
Dissemoplectus
Dissochaetus
Dissonidae
Dissorophidae(EXTINCT)
Dissorophoidea(EXTINCT)
Dissotrocha
Distemonanthus Apuleia, (monophyly uncertain)
Disteniinae
Distichodontidae
Distichophylliina(EXTINCT)
Distichopis
Distocambarus
D-(Distocambarus)
DD-crockeri
DD-devexus
D-(Fitzcambarus)
DF-carlsoni
DF-hunteri
DF-youngineri
Distocupes varians
Distremocephalus
Distrigidius
Distromatonemertea
Distylopyga
Disymploce
Ditropandria
Ditrysia(most moths and butterflies)
Dityloechusa
Diversitermes
Dives
D-atroviolacea
D-dives
D-warszewiczi
Diviniidae(EXTINCT)
Diwaitermes
Dixeia
D-capricornus
D-cebron
D-charina
D-dixeyi
D-doxo
D-leucophanes
D-orbona
D-pigea
D-piscicollis
D-spilleri
Dixidae
Dlefa
Dlusskyidris zherichini(EXTINCT)
Do not belong in Beata:
Dobellia
Doberes
D-anticus
D-hewitsonius
Dochmonota
Docophoroididae
Doddsia
Dodona
D-adonira
D-aponata
D-chrysapha
D-deodata
D-dipoea
D-dracon
D-durga
D-egeon
D-elvira
D-eugenes
D-henrici
D-kaolinkon
D-katerina
D-maculosa
D-ouida
D-robinsoni
D-speciosa
D-vanleeuwenii
Dodonidia helmsi
Dofleinia
D-armataWassilieff 1908
Doggeriopsis stonefieldiana(EXTINCT) (incertae sedis)
Doidae
Doleromyrma darwiniana
Doleschallia
D-bisaltide
D-browni
D-dascon
D-hexophthalmos
D-melana
D-nacar
D-noorna
D-polibete
D-rickardi
D-tongana
Dolicaon
Dolicaonina
Dolichobostrychus
Dolichoderinae
Dolichoderma
Dolichoderus
Dolichomyrma(EXTINCT)
D-latipes(EXTINCT)
D-longiceps(EXTINCT)
Dolichonyx oryzivorus(Bobolink)
Dolichopodidae
Dolichopteridae(EXTINCT)
Dolichorhinotermes
Dolichosphaeria
Dolichosyne(EXTINCT)
Doliochoerinae(EXTINCT)
Doliochoerus(EXTINCT)
Dolioponera fustigera
Dolocosa
Dolopichthys
Dolops
Dolosicoccus
Dolosigranulum
Domatha
/Dombeyoideae
Domea
Domene
D-(Canariomene)
D-(Domene)
D-(Lathromene)
D-(Macromene)
D-(Neodomene)
D-(Spelaeomene)
Donacobius(donacobius)
Donaconethis
Donacosa
Donaldius
Donatia
Donoessus
Donzelotauropus
Doonitermes
Dophla
Doradidae
Doradoblatta
Doradoids
Doratoporus
Dorcabune(EXTINCT) (incertae sedis)
Dorcadoryx(EXTINCT)
Dorcadoxa(EXTINCT)
Dorcatherium(EXTINCT)
Dorcatragus megalotis(beira)
Dorcophilonthus
Dorea
Dorfopterus(EXTINCT) (incertae sedis)
Dorilas (Dorilas) parvicornis
Doritites bosniackii(EXTINCT) (incertae sedis)
Dorjulopirata
Doroneuria
Dorria
Dorrigo
Doryanthaceae
Doryctinae
Dorylaea
Dorylaimida
Dorylas africanus
Dorylas artus
Dorylas chiiensis
Dorylas gracilis
Dorylas hakuensis
Dorylas oshimensis
Dorylas rokotensis
Dorylas santaroi
Dorylas yakuensis
Dorylobactrus
Dorylobius
Dorylocerus
Dorylocratus
Dorylogaster
Dorylogastrini
Dorylomimini
Dorylomimus
Dorylomorpha
D-(Dorylomima)
D-(Dorylomorpha)
D-(Dorylomyia)
D-(Dorylomyza)
D-(Pipunculina)
D-abdochaetus
D-abdoflavus
D-aberrans
D-aczeli
D-alaskensis
D-albitarsis
D-albrechti
D-amurensis
D-anderssoni
D-appendiculata
D-asiatica
D-atramontensis
D-beckeri
D-borealis
D-burmanica
D-canadensis
D-caudelli
D-clavata
D-clavifemora
D-clavipes
D-confracta
D-confusa
D-dispar
D-exilis
D-extricata
D-extricatoides
D-fennica
D-flavolateralis
D-flavomaculata
D-flavoscutellaris
D-fulvitarsis
D-hackmani
D-haemorrhoidalis
D-hardyi
D-hungarica
D-imparata
D-improvisa
D-incognita
D-indica
D-infirmata
D-insulana
D-kambaitiensis
D-karelica
D-koreana
D-kurodakensis
D-kuznetzovi
D-laeta(incertae sedis)
D-laticlavia
D-latifrons
D-lautereri
D-lenkoi
D-maculata
D-malaisei
D-mongolorum
D-montivaga
D-neglecta
D-occidens
D-onegensis
D-orientalis
D-platystylis
D-praetermissa
D-rectitermina
D-reveloi
D-rufipes
D-sachalinensis
D-semiclavata
D-shatalkini
D-similis
D-simplex
D-sinensis
D-spinosa
D-spinulosa
D-stenozona
D-subclavata
D-tanasijtshuki
D-translucens
D-tridentata
D-ussuriana
D-valida
D-xanthocera
D-xanthopus
D-yamagishii
D-yanoi
Dorylomorphs(army ants, etc.)
Dorylonannus
Dorylonilla
Dorylophila
Dorylophilina
Dorylostethus
Dorylotyphlus
Doryloxenus
Dorylus(driver ants)
D-acutus
Dorymantis congica
Dorymetaecus
Dorymyrmex
Dorypetalidae
Dorypteridae(EXTINCT)
Dorystoma
DoryteuthisNaef, 1912
D-(Amerigo)
D-(Doryteuthis)
D-(subgenus undescribed) sanpaulensis
D-gahi
D-ocula
D-opalescens
D-pealeii
D-plei
D-roperi
D-surinamensis
Dosidicus
Dothideaceae
Dothideales
Dothideomycetes
Dothideomycetidae
Dothioraceae(monophyly uncertain)
Double-stranded DNA Viruses(non-monophyletic)
Double-stranded RNA Viruses(monophyly uncertain)
Douglasiidae
Doxocopa
D-agathina
D-callianira
D-clothilda
D-cyane
D-elis
D-excelsa
D-kallina
D-laure
D-laurentia
D-lavinia
D-linda
D-pavon
D-thoe
D-zalmunna
D-zunilda
Dracoderidae
Draconarius
Draconula
Drasinus
D-(Drasinus)
D-(Paradrasinus)
Dremomys
Dremotherium(EXTINCT)
Drepanacra
Drepanepteryx
Drepanidae(hooktip moths)
Drepanoidea(hooktip moths and Oriental swallowtail moths)
Drepanomastax
Drepanopora
Drepanopteridae(EXTINCT)
Drepanosiphidae
Drepanosiphinae
Drepanotermes
Drepanoxenini
Drephalys
D-alcmon
D-croceus
D-dumeril
D-eous
D-helixus
D-heraclides
D-kidonoi
D-miersi
D-mourei
D-olva
D-olvina
D-opifex
D-oria
D-oriander
D-phoenice
D-phoenicoides
D-talboti
D-tortus
Dreposcia
Drilidae
Drillactis
Drilocephalus
Drilonius
Drilophaga
Drimeotus
D-(Bihorites)
D-(Drimeotinus)
D-(Drimeotus)
D-(Fericeus)
D-(Trichopharis)
Drimostomatina(=Caelostomina)
Drimostomatini
Drimys(winter's bark)
Dromacamatus
Dromaeosauridae(EXTINCT) (Velociraptor and relatives)
Dromaius novaehollandiae(Emu)
Dromanomma
Dromeciton
Dromistomus(incertae sedis)
Dropephylla
Droseraceae(sundew family)
Drosophilidae
Drosophyllum lusitanicum
Druceiella
D-amzonensis
D-metellus
D-momus
D-basirubra
Drucina(incertae sedis)
D-championi
D-leonata
Drugia
Druphila(incertae sedis)
Drusilla
Drusillota
Dryadoblatta
Dryadula
Dryas
Dryinidae
Drymaplaneta
Drymonaxus feanus
Drymusidae
Dryocora
Dryolimnas cuvieri(White-throated Rail)
Dryomyzidae
Dryopidae(long-toed water beetles)
Dryopteridaceae(non-monophyletic)
Dryoscopus(puffbacks)
Dryotriorchis
Dryptini
Dubiella
D-dubius
D-fiscella
Dubiotherium(EXTINCT)
Duchailluia
Dudgeonea
Dugong dugon(dugong)
Dugongidae(dugongs)
Dugonginae
Dulcedo(incertae sedis)
Dumbletonius
D-characterifer
D-unimaculata
Dunbaria(EXTINCT)
Dundoxenos
D-breviphelebos
D-kinzelbachi
D-vilhenai
Dungog
Dungulia(EXTINCT)
Dunocyathus
Duosperma
Duplidentitermes
Duplorbidae
Dupouyichthys
Durbos
Duryodana
Dusisiren(EXTINCT)
Dvinosauria(EXTINCT)
Dyadobacter
Dyakina
Dyakinodes
Dybasina
Dymasia
Dymerinx
Dynastor
D-darius
D-macrosiris
D-napoleon
Dysacrita
Dysactis crassicornisHertwig 1882
Dysactis pallidaVerrill 1864
Dysactis rhodorusMc Murrich [sic] 1904
Dysamblys
Dysanabatium
Dysanellus
Dysaules
D-himalayanus
D-longicollis
D-uvana
Dyschiridium
D-concinnum
D-ebeninum
D-lasti
D-natalicum
D-subdepressum
Dyschiriina
Dyschiriodes (Antidyschirius)
Dyschiriodes (Chiridysus)
Dyschiriodes (Dyschiriodes)
Dyschiriodes (Eudyschirius)
Dyschiriodes (Paradyschirius)
Dyschiriodes campicola
Dyschiriodes pallipennis
Dyschiriodes salivagans
Dyschiriodes sellatus
Dyschirius
Dyschoriste
Dyscophellus
D-diaphorus
D-erythras
D-euribates
D-marian
D-nicephorus
D-phraxanor
D-porcius
D-ramusis
D-sebaldus
Dyscophinae
Dyscophus
Dysdaemonia
Dysderidae
Dysderoidea
Dyseohyus(EXTINCT)
Dyseotylopus(EXTINCT)
Dyseriocrania
Dysgonomonas
Dysides
Dysidinae
Dysmathia
D-cindra
D-costalis
D-glaucina
D-glaucoconia
D-grosneyi
D-juno
D-portia
Dysoneuridae(EXTINCT) (incertae sedis)
Dystacta alticeps
Dystactinae
Dystactula grisea
Dystrichothorax
Dytiscidae
Dytoscotes
Dzungarites
dacetine tribe group
delta Proteobacteria
diamina-group
didyma-group
dwarf lemurs