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IRCF © 2006 - ALL RIGHTS RESERVED
IRCF IS A NON-PROFIT CORPORATION

A PARTIAL LIST OF SPECIES AND SUBSPECIES WHICH HAVE BEEN DRIVEN TO EXTINCTION SINCE 1642
.Cyclura cornuta onchiopsis • Peromyscus gossypinus restrictus • Canis rufus rufus • Canis rufus floridanus •Vulpes macrotis macrotis • Eschrichtius gibbosus gibbosus • Heteropsomys antillensis • Heteropsomys insulans • Elasmodontomys obliquus • Isolobodon portoricensis • Canis lupus alces • Microtus nesophilus • Peromyscus nesodytes • Peromyscus polionotus decoloratus • Geomys pinetis goffi • Thomomys mazama tacomensis • Eutamias minimus atristriatus • Acratocnus odontrigonus • Phyllonycteris major • Monophyllus plethodon frater • Nesophontes edithae • Microtus ochrogaster ludovicianus • Cervus canadensis merriami • Geomys fontanelus • Canis lupus beothucus • Monachus tropicalis • Cervus elaphus merriami • Sigmodon fulviventer goldmani • Rangifer tarandus dawsoni • Cervus canadensis canadensis • Hydrodamalis stelleri • Felis concolor schorgeri • Canis lupus mogollonensis • Canis lupus bernardi • Ovis canadensis auduboni • Canis lupus irremotus • Mustela macrodon • Canis lupus monstrabilis • Ursus arctos californicus • Canis lupus youngi • Canis lupus nubilus • Canis lupus fuscus • Moho nobilis • Moho braccatus • Moho bishopi • Moho apicalis • Chaetoptila angustipluma • Pinguinus impennis • Ectopistes migratorius • Drepanis funerea • Ciridops anna • Porzana sandwichensis • Chloridops kona • Conuropsis carolinensis • Camptorhynchus labradorius • Porzana palmeri • Tympanuchus phasianellus • Campephilus principalis • Vermivora bachmanii • Hemignathus ellisianus • Hemignathus obscurus • Hemignathus sagittirostris • Rhodacanthis flaviceps • Rhodacanthis palmeri • Paroreomyza flammea • Mayadestes woahensis • Tympanuchus cupido cupido • Phaeornis obscurus lanaiensis • Anas oustaleti • Loxops coccinea rufa • Acrocephalus familiaris familiaris • Melospiza melodia graminea • Passerherbulus henslowii • Houstonensis • Himatione sanguinea freethi • Aphanolimnas monasa • Hemignathus obscurus ellisianus • Phaeornis obscurus oahensis • Hemignathus lucidus lucidus • Hemignathus obscurus lanaiensis • Paroreomyza maculata montana • Psittirostra kona • Aplonis corvina • Ammodranus maritimus mirabilis • Melospiza melidia amaka • Drepanis pacifica • Myiagra freycineti • Otus nudipes newtoni • Aratinga chloroptera maugei • Pennula sandwichensis • Dysmorodrepanis munroi • Amazona vituta gracelipes • Conuropsis carolinensis carolinensis • Conuropsis carolinensis ludoviciana • Hemignathus obscurus obscurus • Pennula millsi • Thryomane bewickii leucophrys • Rallus wakensis • Plethodon ainsworthi • Rana fisheri • Eleutherodactylus jasperi • Eleutherodactylus karlschmidti • Leiocephalus eremitus • Alsophis sancticrucis • Notropis orca • Coregonus johannae • Gambusia georgei • Gambusia amistadensis • Lampetra minima • Empetrichthys merriami • Fundulus albolineatus • Pogonichthys ciscoides • Lepidomeda altivelis • Gila crassicauda • Cottus echinatus • Moxostoma lacerum • Chasmistes muriei • Noturus trautmani • Rhinichthys deaconi • Stizostedion vitreum glaucum • Coregonus nigripinnis • Salmo clarki macdonaldi • Notropis simus simus • Chasmistes liorus liorus • Cyprinodon nevadensis calidae • Cyprinodon nevadensis shoshone • Empetrichthys latos pahrump • Coregonus alpenae • Cyprinodon macularius ssp. • Coregonus kiyi orientalis • Oncorhynchus clarki ssp. • Cyprinella lutrensis blairi • Salvelinus agassizi • Rhinichthys cataractae smithi • Rhinichthys osculus relinquus • Notropis simus simus • Gila bicolor isolata • Empetrichthys latos concavus • Somatogyrus wheeleri • Scotorythra paratactis • Serratella spiculosa • Serratella frisoni • Stonemyia velutina • Swammerdamia castaneae • Somatogyrus pilsbryi • Paracapnia disala • Somatogyrus crassilabris • Papaipema aweme • Somatogyrus amnicoloides • Tischeria perplexa • Scotorythra nesiotes • Ruspolia remotus • Paracapnia ensicala • Parapsyche extensa • Philanthus nasalis • Philocasca oron • Pyrgulopsis ruinosa • Photuris bethaniensis • Leptoxis formani • Pseudonophthalmus krekeleri • Rhaphiomidas trochilus • Rhyacophila amabilis • Scotorythra megalophylla • Neoplanorbis carinatus • Medionidsu mcglameriae • Leptoxis occultata • Leptoxis picta • Nesoprosopis chlorosticata • Papaipema aerata • Leptoxis torrefacta • Leptoxis vittata • Physella microstriata • Marstonia olivacea • Achatinella buddii • Neoplanorbis smithi • Neoplanorbis tantillus • Neoplanorbis umbilicatus • Newcombia philippiana • Oreohelix parawanensis • Epioblasma propinqua • Epioblasma (=Dysnomia) sampsoni • Epioblasma stewardsonii • Lyropupa perlonga • Amastra elongata • Notropis simus simus • Gila bicolor isolata • Empetrichthys latos concavus • Somatogyrus wheeleri • Scotorythra paratactis • Serratella spiculosa • Serratella frisoni • Stonemyia velutina • Swammerdamia castaneae • Somatogyrus pilsbryi • Paracapnia disala • Somatogyrus crassilabris • Papaipema aweme • Somatogyrus amnicoloides • Tischeria perplexa • Scotorythra nesiotes • Ruspolia remotus • Paracapnia ensicala • Parapsyche extensa • Philanthus nasalis • Philocasca oron • Pyrgulopsis ruinosa • Photuris bethaniensis • Leptoxis formani • Pseudonophthalmus krekeleri • Rhaphiomidas trochilus • Rhyacophila amabilis • Scotorythra megalophylla • Neoplanorbis carinatus • Medionidsu mcglameriae • Leptoxis occultata • Leptoxis picta • Nesoprosopis chlorosticata • Papaipema aerata • Leptoxis torrefacta • Leptoxis vittata • Physella microstriata • Marstonia olivacea • Achatinella buddii • Neoplanorbis smithi • Neoplanorbis tantillus • Neoplanorbis umbilicatus • Newcombia philippiana • Oreohelix parawanensis • Epioblasma propinqua • Epioblasma (=Dysnomia) sampsoni • Epioblasma stewardsonii • Lyropupa perlonga • Amastra elongata • Leptoxis showalterii • Oreohelix florida • Gyrotoma walkeri • Gyrotoma pyramidata • Gyrotoma pumila • Gyrotoma pagoda • Gyrotoma lewisii • Gyrotoma excisa • Pleurobema bournianum • Amastra forbesi • Quadrula tuberosa • Achatinella thaanumi • Achatinella spaldingi • Achatinella papyracea • Achatinella lehuiensis • Achatinella decora • Achatinella casta • Achatinella caesia • Pyrgulopsis carinata • Amastra umbilicata • Limnebius aridus • Nesoprosopis angustula • Hydroptila wakulla • Hygrotus artus • Hypena laysanensis • Hypena plagiota • Isonychia diversa • Isoperla conspicua • Isoperla emarginata • Isoperla irregluaris • Isoperla jewetti • Isoperla maxana • Hydroporus spangleri • Leuctra laura • Hydroporus elusivus • Limnebius texanus • Megalagrion jugorum • Megalagrion molokaiense • Mesocapnia bakeri • Limnebius utahensis • Mesocapnia ogotoruka • Myrmosula pacifica • Neduba extincta • Nepytia pellucidaria • Nesopeplus serratus • Nesoprosopis coniceps • Lambdina canitiaria • Hedylepta epicentra • Drosophila lanaiensis • Ectodemia castaneae • Ectodemia phleophaga • Ephemera triplex • Ethmia monachella • Euchalcia borealis • Eximacris phenax • Eximacris superbum • Farula davisi • Flexamia rebranura • Haliplus nitens • Hydroporus utahensis • Hedylepta asaphombra • Nesoprosopis anthricina • Hedylepta euryprova • Hedylepta fullawayi • Hedylepta giffardi • Hedylepta iridias • Hedylepta laysanensis • Hedylepta meyricki • Hedylepta monogona • Hedylepta musicola • Hedylepta telegrapha • Heliothis minuta • Horologion speokites • Hedylepta anastrepta • Nesoprosopis rugulosa • Nesoprosopis andrenoides • Nesoprosopis mauiensis • Nesoprosopis melanothrix • Nesoprosopis mutata • Nesoprosopis neglecta • Nesoprosopis nivalis • Nesoprosopis obscurata • Nesoprosopis ombrias • Nesoprosopis pele • Nesoprosopis perspicua • Nesoprosopis psammobia • Nesoprosopis laticeps • Nesoprosopis rubrocaudatus • Nesoprosopis laeta • Nesoprosopis satellus • Nesoprosopis setosifrons • Nesoprosopis simplex • Nesoprosopis specularis • Nesoprosopis sphecodoides • Nesoprosopis unica • Nesoprosopis vicina • Nesotocus kauaiensis • Ochthebius putnamensis • Oecetis floridana • Oecetis parva • Nesoprosopis pubescens • Nesoprosopis finitima • Nesoprosopis assimulans • Nesoprosopis blackburni • Nesoprosopis caeruleipennis • Agrotis microeas • Nesoprosopis comes • Leptoxis lirata • Nesoprosopis connectens • Nesoprosopis crabronoides • Nesoprosopis difficilis • Nesoprosopis dimidiata • Nesoprosopis erythrodemas • Nesoprosopis longiceps • Nesoprosopis filicum • Paleoxenus dohrni • Nesoprosopis flavipes • Nesoprosopis haleakalae • Nesoprosopis hilaris • Nesoprosopis hirsutula • Nesoprosopis homeochroma • Nesoprosopis hostilis • Nesoprosopis hula • Nesoprosopis insignis • Nesoprosopis kauaiensis • Nesoprosopis koae • Nesoprosopis kona • Nesoprosopis facilis • Carelia olivacea • Achatinella abbreviata • Auriculella expansa • Auricelella uniplicata • Carelia bicolor • Carelia cochlea • Carelia dolei • Carelia evelynae • Carelia kalalauensis • Carelia lirata • Amastra tenuispira • Carelia necra • Amastra subsoror • Carelia paradoxa • Carelia pilsbryi • Carelia tenebrosa • Carelia turricula • Carelia waipouhiensis • Clappia cahabensis • Clappia unbilicata • Elimia brevis • Elimia clausa • Carelia mirabilis • Achatinella valida • Achatinella cestus • Achatinella dimorpha • Achatinella elegans • Leptoxis ligata • Achatinella juncea • Agrotis laysanensis • Achatinella phaeozona • Achatinella rosea • Achatinella swiftii • Amphigyra alabamensis • Achatinella turgida • Elimia hartmaniana • Achatinella vittata • Achatinella vulpina • Amastra albolabris • Amastra cornea • Amastra crassilabrum • Amastra pellucida • Amastra porcus • Amastra reticulata • Amastra subrostrata • Achatinella taeniolata • Somatogyrus pygnaeus • Somatogyrus constrictus • Somatogyrus coosaensis • Somatogyrus crassus • Somatogyrus currierianus • Somatogyrus decipiens • Somatogyrus excavatus • Somatogyrus georgianus • Somatogyrus hendersoni • Somatogyrus humerosus • Elimia fusiformis • Somatogyrus obtusus • Elimia pilsbryi • Somatogyrus quadratus • Somatogyrus sargenti • Somatogyrus strengi • Somatogyrus substriatus • Somatogyrus tennesseensis • Stagnicola utahensis • Sphalloplana holsingeri • Sphalloplana subtilis • Thermosphaeroma thermophilum • Somatogyrus nanus • Perdicella fulgurans • Achatinella juddii • Elimia impressa • Elimia cylindracea • Elimia pupaeformis • Elimia pupoidea • Elimia pygmaea • Elimia vanuxemiana • Erinna aulacospira • Leptoxis clipeata • Somatogyrus biangulatus • Paravitrea aulacogyra • Pyrgulopsis nevadensis • Perdicella mauiensis • Perdicella zebra • Perdicella zebrina • Planorbella multivolvis • Elimia jonesi • Elimia lachryma • Elimia laeta • Elimia macglameriana • Elimia olivula • Elimia gibbera • Leptoxis compacta • Anisota manitobensis • Calephelis dreisbachi • Procambarus connus • Stygobromus lucifugus • Acroneuria flinti • Agrotis cremata • Agrotis crinigera • Agrotis fasciata • Agrotis kerri • Agrotis melanoneura • Hemigrapsus oregonensis • Agrotis procellaris • Dexteria floridan • Anomala tibialis • Apamea smythi • Achatinella lorata • Argyresthia castaneella • Truncilla cognata • Autoplusia olivacea • Belocephalus micanopy • Belocephalus sleighti • Brachycercus flavus • Agrotis potophila • Alasmidonta robusta • Leptoxis formosa • Leptoxis crassa • Epioblasma personata • Epioblasma lewisii • Epioblasma lanior • Epioblasma haysiana • Epioblasma flexuosa • Epioblasma cincinnatiensis • Epioblasma biemarginata • Procambarus angustatus • Alasmidonta wrightiana • Asaphomyia texanus • Alasmidonta mccordi • Pentagenia robusta • Glaucopsyche xerces • Ephemera compar • Alloperla roberti • Pacifastacus nigrescens • Branchinella lithaca • Thermacarus nevadensis • Branchinella alachua • Epioblasma arcaeformis • Pleurobema avellanum • Trigonoscuta yorbalindae • Tritocleis microphylla • Usingerina moapensis • Calephelis freemani • Elliptio nigella • Appalachia hebardi • Epioblasma othcaloogensis • Epioblasma turgidula • Lampsilis binominata • Trigonoscuta rossi • Pleurobema altum • Anondonta dejecta • Pleurobema hanleyianum • Pleurobema johannis • Pleurobema marshalli • Pleurobema murrayense • Pleurobema nucleopsis • Pleurobema rubellum • Pleurobema verum • Quadrula couchiana • Quadrula stapes • Toxolasma corvunculus • Lampsilis haddletoni • Ceraclea floridana • Epioblasma metastriata • Triaenodes tridonta • Campsicnemus mirabilis • Chersodromia hawaiiensis • Cheumatopsyche vannotei • Cyrtopeltis phyllostegiae • Desmopachria cenchramis • Epioblasma lanior • Epioblasma haysiana • Epioblasma flexuosa • Epioblasma cincinnatiensis • Epioblasma biemarginata • Procambarus angustatus • Alasmidonta wrightiana • Asaphomyia texanus • Alasmidonta mccordi • Pentagenia robusta • Glaucopsyche xerces • Ephemera compar • Alloperla roberti • Pacifastacus nigrescens • Branchinella lithaca • Thermacarus nevadensis • Branchinella alachua • Epioblasma arcaeformis • Pleurobema avellanum • Trigonoscuta yorbalindae • Tritocleis microphylla • Usingerina moapensis • Calephelis freemani • Elliptio nigella • Appalachia hebardi • Epioblasma othcaloogensis • Epioblasma turgidula • Lampsilis binominata • Trigonoscuta rossi • Pleurobema altum • Anondonta dejecta • Pleurobema hanleyianum • Pleurobema johannis • Pleurobema marshalli • Pleurobema murrayense • Pleurobema nucleopsis • Pleurobema rubellum • Pleurobema verum • Quadrula couchiana • Quadrula stapes • Toxolasma corvunculus • Lampsilis haddletoni • Ceraclea floridana • Epioblasma metastriata • Triaenodes tridonta • Campsicnemus mirabilis • Chersodromia hawaiiensis • Cheumatopsyche vannotei • Cyrtopeltis phyllostegiae • Desmopachria cenchramis • Triaenodes phalacris • Cophura hurdi • Tetramolopium conyzoides • Isocoma humilis • Lipochaeta bryanii • Lipochaeta degeneri • Plagiobothrys glaber • Tetramolopium tenerrimum • Solidago porteri • Helianthus praetermissus • Cryptantha insolita • Diellia mannii • Cryptantha aperta • Lipochaeta perdita • Sesuvium trianthemoides • Achyranthes atollensis • Sanicula kauaiensis • Ochrosia kilaueaensis • Asplenium leucostegioides • Argyroxiphium virescens • Brickellia chenopodina • Erigeron mariposanus • Calochortus monanthus • Plagiobothrys hystriculus • Mimulus whiiipplei • Mimulus traskiae • Matelea radiata • Dissanthelium californicum • Melicope obovata • Melicope nealiae • Melicope macropus • Hedyotis foliosa • Rubus aliceae • Lysimachia kahiliensis • Lysimachia haupuensis • Lysimachia forbesii • Rumex tomentellus • Eriogonum truncatum • Polygala piliophora • Phlox peckii • Phyllostegia waimeae • Eragrostis mauiensis • Agalinis caddoensis • Perperomia degeneri • Triphora latifolia • Botrychium subbifoliatum • Sphaeralcea procera • Sida inflexa • Kokia lanceolata • Hibiscadelphus wilderianus • Hibiscadelphus crucibracteatus • Hibiscadelphus bombycinus • Stenogyne viridis • Stenogyne kanehoana • Stenogyne haliakalae • Stenogyne oxygona • Muhlenbergia californica • Fissidens clebschii • Franklinia alatamaha • Kikia cookei • Hibiscadelphus hualalaiensis • Hibiscadelphus giffardianus • Pritchardia affinis • Lycium verrucosum • Mimulus brandegeei • Potentilla multijuga • Calochortus indecorus • Monardella pringlei • Orbexilum stipulatum • Carex aboriginum • Plagiobothrys lamprocarpus • Melicope wailauensis • Wikstroemia hanalei • Phyllostegia variabilis • Agalinis calycina • Agalinis nuttallii • Micranthemum micranthemoides • Penstemon campanulatus • Cirsium praeteriens • Penstemon parviflorus • Pyrenula micheneri • Wikstroemia villosa • Brachymenium andersonii • Cephaloziella obtusilobula • Cylindrocolea andersonii • Erioderma pedicellatum • Astilbe crenatiloba • Penstemon leptanthus • Cyanea giffardii • Delissa sinuata • Delissa parviflora • Delissa lauliiana • Delissa laciniata • Delissa fallax • Cyanea truncata • Cyanea quercifolia • Cyanea pycnocarpa • Cyanea profuga • Cyanea pohaku • Cyanea parvifolia • Cyanea mauiensis • Stenogyne cinerea • Cyanea linearifolia • Schiedea amplexicaulis • Cyanea eleeleensis • Cyanea dolichopoda • Cyanea cylindrocalyx • Cyanea comata • Cyanea arborea • Clermontia multiflora • Callitriche fassettii • Thismia americana • Tropidocarpum capparideum • Thelypodium tenue • Streptanthus lemmonii • Rorippa coloradensis • Arabis fructicosa • Cyanea longissima • Cyrtrandra olona • Phyllostegia rockii • Phyllostegia imminuta • Phyllostegia hillebrandii • Phyllostegia helleri • Monardella leucocephala • Hedeoma pilosa • Haplostachys truncata • Haplostachys munroi • Haplostachys linearifolia • Haplostachys bryanii • Sisyrinchium farwellii • Elodea schweinitzii • Scaevola hobdyi • Lobelia remyi • Deparia kaalaana • Plagiobothrys lithocaryus • Schiedea implexa • Silene cryptopetala • Silene degeneri • Sicyos hillebrandii • Cyrtandra waiolani• •Cyperus rockii • Cyrtandra pruinosa • Dalea sabinalis • Orbexilum macrophyllum • Cyrtandra crenata • Cyrtandra gracilis • Cyrtandra kohalae • Symphoricarpos guadalupensis • Cyperus kunthianus