IGNORE

IRLC (Inverted Repeat-lacking clade)

Iambrix

I-salsala

I-stellifer

Ianussiusa

Iapir

I-borgmeieri

I-britskii

I-castalia

I-trombetensis

Ibaliidae

Ibitermes

Iblidae

Ibycter americana

(red-throated caracara)

Icacinaceae

(non-monophyletic)

Icaronycteris

(EXTINCT)

Icharonia

Ichneumonidae

Ichneumonoidea

Ichneutinae

Ichnovirus

Ichromantis

I-befascia

I-dichroica

Ichthyocupes

(EXTINCT)

Ichthyodectidae

(EXTINCT)

Ichthyodectiformes

(EXTINCT)Mesozoic fossils

Ichthyomyini

(fish-eating rats)

Ichthyomys

I-hydrobates

I-pitteri

I-stolzmanni

(incertae sedis)

I-tweedii

Ichthyomyzon

Ichthyophaga

Ichthyornithiformes

(EXTINCT)

Ichthyosauria

(EXTINCT) (incertae sedis)

Ichthyostega

(EXTINCT)

Ichthyotomus

Ichthyurodon

(EXTINCT) (incertae sedis)

Icius

I-abnormis

I-afolius

I-angustatus

I-boryi

I-brunelli

I-cervinus

I-congener

I-crassipes

I-daisetsuzanus

I-delectus

I-dendryphantoides

I-desertorum

I-discatus

I-erraticus

I-eximius

I-foliosus

I-guyoni

I-hamatus

I-ildefonsus

I-inhonestus

I-miniamus

I-niger

I-ocellatus

I-pallidulus

I-pseudocellatus

I-separatus

I-striatus

I-subinermis

I-testaceolineatus

Ictaluridae

North American Freshwater Catfishes

Ictalurivirus

Ictalurus

I-australis

I-balsanus

I-dugesii

I-echinatus

(EXTINCT)

I-furcatus

I-furcatus group

I-lambda

(EXTINCT)

I-lupus

I-mexicanus

I-pricei

I-punctatus

I-punctatus group

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-cayanensis cayanensis

I-cayanensis periporphyrus

I-cayanensis pyrrhopterus

I-chrysater

(Yellow-backed Oriole)

I-chrysocephalus

(Moriche Oriole)

I-croconotus

(Orange-backed Troupial)

I-cucullatus

(Hooded Oriole)

I-dominicensis melanopsis

I-dominicensis northropi

I-dominicensis portoricensis

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)

Ictinaetus

Ictinia

Icuria

Idaeovirus

Idahotyphlus

Idea

I-agamarschana

I-blanchardii

I-durvillei

I-electra

I-hypermnestra

I-iasonia

I-idea

I-leuconoe

I-lynceus

I-malabarica

I-stolli

I-tambusisiana

Ideliella

(EXTINCT)

Ideopsis

I-gaura

I-hewitsonii

I-juventa

I-klassika

I-oberthurii

I-similis

I-vitrea

I-vulgaris

Idiocetus

(EXTINCT)

Idiocnemius

Idiocolyusa

Idiogaster

Idiomorphini

(monophyly uncertain)

Idiomorphus

Idioneurula

I-[n. sp.]

I-erebioides

Idiopidae

Idioptochus

Idiosepiidae

Appellof, 1898

Idiosepius biserialis

Idiosepius macrocheir

Idiosepius mimus (?)

Idiosepius notoides

Idiosepius paradoxus

Idiosepius picteti

Idiosepius pygmaeus

Idiosepius thailandicus

Idiostiba

Idiostolidae

Idiotrochus

Idmon

I-distanti

I-latifascia

I-obliquans

Idnoreovirus

Idolia

(~7 species)

Idolomantis diabolica

Idolomorpha

I-dentifrons

I-lateralis

I-madagascariensis

I-sagitta

Idolomorphini

Idoptilus

(EXTINCT) (incertae sedis)

Idupaussus

Iflavirus

Igapophilus rufus

Ignabolivaria

Ignavigranum

Igneococcus

Iguania

Iguaninae

Iheringocantharus

Ilargus

Ilarochara

Ilemomyrmex caecus

(EXTINCT) (incertae sedis)

Iliana

I-heros

I-purpurascens

I-remus

I-romulus

Ilingoceros

(EXTINCT)

Illicinae

Posselt 1891

Illicium

(star anise & relatives)

Illiesonemoura

Ilma

Ilomantis thalassina

Iltovirus

Iluka

Ilyanthopsis elegans

Wasilieff [sic] 1908

Ilyanthus mazelii

Jourdan 1880

Ilyanthus mitchelli

Gosse 1853

Ilyanthus parthenopea

Andres 1880

Ilyobacter

Ilyobates

Ilyocyprididae

Ima fusca

Imadateiella

Imblattella

Imelda

I-aenetus

I-mycea

Imeriniella

Imhoffia

(EXTINCT) (incertae sedis)

I-nigra

(EXTINCT)

I-pallida

(EXTINCT)

Imirini

Immidae

Imtempus

Incacyrtusa

Incirrata

Grimpe, 1916

Incisitermes

Incoblatta

Incolitermes

Incoltorrida madagassica

Inconeuria

Incurvaria

Incurvariidae

(leafcutter moths)

Incurvarioidea

Indian lineage

(incertae sedis)

Indicatoridae

(honeyguides)

Indigofereae

Indinthus

Indiopsocus

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)

Indoblaste

Indocapritermes

Indolinus

Indomorphus

Indomyrma dasypyx

Indomyrmecopora

Indonemoura

Indophodes

Indoquedius

Indosiren

(EXTINCT)

Indosorius

Indosquillidae

Indotermes

Indothespis assamensis

Indri indri (Indri)

Indridae

(avahi, sifakas, and indri)

Inflatana

Inflatozaena

Infraorder Hystricognathi

Infraphulia

I-illimani

I-ilyodes

I-madeleinea

Infundibulicybe

Inglorius mediocris

Iniidae

(Amazon river dolphins)

Iniocyphina

Iniocyphini

Iniocyphus

Inioteuthis

Verrill, 1881

I-japonica

I-maculosa

Injanatherium

(EXTINCT)

Inkosa

Inocatops

Inocelliidae

Inocybaceae

Inoviridae

Inovirus

Inpa

Inquilinister

Inquilinitermes

Insecta

Insectivora

(shrews, moles, hedgehogs, etc.)

Insubriella

Integripalpia

Intramolgidae

Intrasporangium

Invasitermes

Ioma

Iomachus

Iomys

Ionescuellum

Ionoscopiformes

(EXTINCT) (Mesozoic fossils)

Iospilidae

Iotapapillomavirus

Iotarphia

Ipelates

(monophyly uncertain)

Iphoctesis

Ipisoma

Ipolatta

Ipomopsis

(monophyly uncertain)

Ipsimodes

Ipsimus

Iragulicola

Iranobathyscia

Irenidae

(fairy bluebirds)

Irenomys

Irianusa

Iriarteae

Iridaceae

Iridomyrmex

Iridopterygidae

(non-monophyletic)

Iridopteryginae

Iridopteryx iridipennis

Iridoteuthis

Naef, 1912

Iridoviridae

Iridovirus

Iris

I-coeca

I-deserti

I-fasciata

I-insolita

I-minima

I-nana

I-narzykulovi

I-oratoria

I-orientalis

I-persa

I-pitcheri

I-polystictica

I-senegalensis

I-splendida

Irmaria

Ironicus nothus

(EXTINCT) (incertae sedis)

Ironomyiidae

Irurus

Irvingiaceae

Isacmaea euchlora

H. and E. Ehrenberg 1834

Isactinernus

I-4-lobatus

Carlgren 1918

Isactinia

Isactinia badia

Carlgren 1900

I-ignota

Carlgren 1949

I-lobata

Carlgren 1949

Isadamsia

I-cancrisocia

Carlgren 1928

Isala

Isaloides

Isanopus

Isantheopsis

Isanthidae

Isanthus

I-capensis

Carlgren 1938

Isapis

Ischiopsaurus

Ischnocera

Ischnochitonina

Ischnoderus

I-(Ischnoderus)

I-(Walkerellus)

Ischnoglossa

Ischnomantis

I-aethiopica

I-fasciata

I-fatiloqua

I-flavescens

I-gigas

I-gracilis

I-media

I-perfida

I-spinigera

I-usambarica

I-werneri

Ischnonota

Ischnopoda

I-(Caliusa)

I-(Cathusya)

I-(Ischnopoda)

I-(Ischnopoderona)

Ischnopsyllidae

Ischnoptera

Ischnoptilidae

Ischnoptilus

(EXTINCT)

Ischnosoma

Ischnothina

Ischnuridae

Ischnurinae

Ischyradelia

Ischyroceros

Ischyrocolpura

Isectolophidae

(EXTINCT)

Isepeolini

Isereus

Ishakidris ascitaspis

Isma

I-binotata

I-bononia

I-bononoides

I-cinnamomea

I-cronus

I-damocles

I-dawna

I-feralia

I-flemingi

I-guttulifera

I-hislopi

I-iapis

I-miosticta

I-protoclea

I-umbrosa

Ismarinae

Isobaculum

Isocapnia

Isocheilus

Isocolon

Isocradactis

Isoedwardsia

I-curacaoensis

Pax 1924

I-ignota

Carlgren 1920 [sic]

I-ingolfi

Carlgren 1921

I-mediterranea

Carlgren 1931

I-nidarosiensis

Carlgren 1942

Isoentomon

Isoglossa + Conocalyx

Isoldaia

Isolumpia

Isomantis

Isometrdium Richettsi

[sic] Carlgren 1949

Isometridium

Isometroides

Isometrus

Isoniscus

0(incertae sedis)

Isonychiidae

Isoparactis

Isoperlinae

Isophellia

I-algonensis

Carlgren 1928

I-sabulosa

Carlgren 1900

Isophelliidae

Isoplastus

Isopoda

Isoptera

(termites)

Isosicyonis

Isosphaera

Isotealia

I-antarctica

Carlgren 1899

I-dubia

Wasilieff [sic] 1908

Isotealia pachyderma

Pax 1922

Isoteinon lamprospilus

Isotogastrura

Isotomidae

Isotominae

Issidae

Issikiocrania

Issoria

I-altissima

I-baumanni

I-eugenia

I-gemmata

I-hanningtoni

I-lathonia

I-smaragdifera

Itaballia

I-demophile

I-marana

I-pandosia

Itamus

I-castaneus

I-cavicola

I-dentatus

I-kaszabi

Itata

(New World)

I-completa

I-isabellina

I-partita

I-tipuloides

I-vadia

Iteaceae

Itemirus medullaris

(EXTINCT) (incertae sedis)

Iteravirus

Iteticus

Ithaginis cruentus

(Blood Pheasant)

Ithomeis

I-aurantiaca

I-eulema

Ithomia

I-agnosia

I-amarilla

I-arduinna

I-avella

I-celemia

I-cleora

I-diasia

I-drymo

I-eleonora

I-ellara

I-heraldica

I-hyala

I-hymettia

I-iphianassa

I-jucunda

I-lagusa

I-leila

(incertae sedis)

I-lichyi

I-patilla

I-praeithomia

I-pseudoagalla

I-salapia

I-terra

I-xenos

Ithomiina

Ithomiini

Ithomiola

I-buckleyi

I-callixena

I-cascella

I-celtilla

I-floralis

I-rubrolineata

Ithonidae

0(incertae sedis)

Ithycerus noveboracensis

Itombworites

Iton

I-semamora

I-watsonii

Itura

Ituridae

Iugulister

Iulomorphidae

Iuridae

Ivahymen

(EXTINCT)

Ixerba brexioides

Ixias

I-flavipennis

I-kuehni

I-malumsinicum

I-marianne

I-paluensis

I-piepersi

I-pyrene

I-reinwardti

I-venilla

I-vollenhovii

Ixioliriaceae

Ixodida

I-e

(Hard ticks)

Ixonanthaceae

Ixorheorida

Iyengariella

[in press

2006], (EXTINCT) (incertae sedis)

inflatus group

iris subgroup