List of Extinct species in United States
This is a list of Extinct species in United States according to the IUCN Red List.
This list was last updated 2019-09-14
This list contains only species that have been assessed for the IUCN Red List. It is therefore not representative of all the species in the country.
Species counts by country: Total | Amphibians | Birds | Fish | Mammals | Reptiles | Vascular Plants.
| scientific_name | common_name | taxonid | category |
|---|---|---|---|
| Cyperus rockii | 91177012 | EX | |
| Acanthametropus pecatonica | Pecatonica River Mayfly | 82 | EX |
| Sanicula kauaiensis | 97908360 | EX | |
| Achatinella abbreviata | 167 | EX | |
| Achatinella buddii | 170 | EX | |
| Achatinella caesia | 173 | EX | |
| Achatinella casta | 174 | EX | |
| Achatinella decora | 179 | EX | |
| Achatinella dimorpha | 180 | EX | |
| Achatinella elegans | 181 | EX | |
| Achatinella juddii | 184 | EX | |
| Achatinella juncea | 185 | EX | |
| Achatinella lehuiensis | 186 | EX | |
| Achatinella livida | 189 | EX | |
| Achatinella papyracea | 192 | EX | |
| Achatinella spaldingi | 198 | EX | |
| Achatinella thaanumi | 202 | EX | |
| Achatinella valida | 204 | EX | |
| Achatinella bulimoides ssp. rosea | 210 | EX | |
| Achatinella apexfulva ssp. vittata | 211 | EX | |
| Perdicella fulgurans | 16601 | EX | |
| Perdicella zebra | 16603 | EX | |
| Perdicella zebrina | 16604 | EX | |
| Myadestes myadestinus | Hawaiian Thrush | 22708559 | EX |
| Myadestes woahensis | Amaui | 22708564 | EX |
| Fundulus albolineatus | Whiteline Topminnow | 8706 | EX |
| Zapornia palmeri | Laysan Crake | 22692672 | EX |
| Gambusia amistadensis | Amistad Gambusia | 8888 | EX |
| Gambusia georgei | San Marcos Gambusia | 8891 | EX |
| Agrotis crinigera | Poko Noctuid Moth | 704 | EX |
| Agrotis fasciata | Midway Noctuid Moth | 705 | EX |
| Agrotis kerri | Kerr's Noctuid Moth | 706 | EX |
| Agrotis laysanensis | Laysan Noctuid Moth | 707 | EX |
| Agrotis photophila | 708 | EX | |
| Agrotis procellaris | Procellaris Grotis Noctuid Moth | 709 | EX |
| Phyllococcus oahuensis | 17120 | EX | |
| Alasmidonta robusta | Carolina Elktoe | 777 | EX |
| Alasmidonta wrightiana | Ochlockonee Arcmussel | 778 | EX |
| Alasmidonta mccordi | Coosa Elktoe | 780 | EX |
| Cyanea pohaku | 33554 | EX | |
| Euphorbia celastroides var. tomentella | 33555 | EX | |
| Hibiscadelphus crucibracteatus | 33556 | EX | |
| Genophantis leahi | 9000 | EX | |
| Cyanea superba subsp. regina | Superb Cyanea | 33588 | EX |
| Clermontia multiflora | 44126 | EX | |
| Zapornia sandwichensis | Hawaiian Crake | 22692693 | EX |
| Physella microstriata | Fish Lake Physa | 17240 | EX |
| Alloperla roberti | Robert's Stonefly | 879 | EX |
| Melicope cruciata | Cross-bearing Pelea | 33664 | EX |
| Melicope haleakalae | 33665 | EX | |
| Melicope macropus | 33670 | EX | |
| Melicope obovata | Obovate Melicope | 33673 | EX |
| Melicope paniculata | 33675 | EX | |
| Amastra albolabris | 989 | EX | |
| Amastra cornea | 990 | EX | |
| Amastra crassilabrum | 991 | EX | |
| Amastra elongata | 992 | EX | |
| Amastra forbesi | 993 | EX | |
| Amastra pellucida | 994 | EX | |
| Amastra porcus | 995 | EX | |
| Amastra reticulata | 996 | EX | |
| Amastra subrostrata | 997 | EX | |
| Amastra subsoror | 998 | EX | |
| Amastra tenuispira | 999 | EX | |
| Amastra umbilicata | 1000 | EX | |
| Glaucopsyche xerces | Xerces Blue | 9244 | EX |
| Planorbella multivolvis | Acorn Ramshorn | 17480 | EX |
| Amphigyra alabamensis | Shoal Sprite | 1168 | EX |
| Cyanea arborea | Tree Cyanea | 34005 | EX |
| Cyanea quercifolia | Oakleaf Cyanea | 34035 | EX |
| Delissea niihauensis | 34039 | EX | |
| Delissea undulata | Undulata Delissea | 34040 | EX |
| Pleurobema altum | Highnut | 17672 | EX |
| Pleurobema avellanum | Hazel Pigtoe | 17673 | EX |
| Pleurobema bournianum | Scioto Pigtoe | 17675 | EX |
| Pleurobema perovatum | Ovate Clubshell | 17689 | EX |
| Pleurobema verum | True Pigtoe | 17695 | EX |
| Gyrotoma excisa | Excised Slitshell | 9597 | EX |
| Gyrotoma lewisii | Striate Slitshell | 9598 | EX |
| Gyrotoma pagoda | Pagoda Slitshell | 9599 | EX |
| Gyrotoma pumila | Ribbed Slitshell | 9600 | EX |
| Gyrotoma pyramidata | Pyramid Slitshell | 9601 | EX |
| Gyrotoma walkeri | Round Slitshell | 9602 | EX |
| Pogonichthys ciscoides | Clear Lake Splittail | 17874 | EX |
| Cyrtandra olona | 91178520 | EX | |
| Perdicella maniensis | 16602 | EX | |
| Helicoverpa confusa | Confused Moth | 9808 | EX |
| Helicoverpa minuta | Minute Noctuid Moth | 9809 | EX |
| Procambarus angustatus | Sandhills Crayfish | 18220 | EX |
| Argyresthia castaneella | Chestnut Ermine Moth | 2100 | EX |
| Conuropsis carolinensis | Carolina Parakeet | 22685776 | EX |
| Hygrotus artus | Mono Lake Diving Beetle | 10345 | EX |
| Hibiscadelphus woodii | 35153 | EX | |
| Auriculella uniplicata | 2412 | EX | |
| Auriculella expansa | 2411 | EX | |
| Hypena laysanensis | Laysan Dropseed Noctuid Moth | 10637 | EX |
| Hypena plagiota | Lovegrass Noctuid Moth | 10639 | EX |
| Hypena senicula | Kaholuamano Noctuid Moth | 10640 | EX |
| Hypena newelli | Hilo Noctuid Moth | 10641 | EX |
| Marstonia olivacea | Olive Marstonia | 18979 | EX |
| Scotorythra megalophylla | Kona Giant Looper Moth | 20074 | EX |
| Scotorythra nesiotes | Ko'olau Giant Looper Moth | 20075 | EX |
| Lithobates fisheri | Las Vegas Leopard Frog | 19148 | EX |
| Lampsilis binominata | Lined Pocketbook | 11251 | EX |
| Rhinichthys deaconi | Las Vegas Dace | 19490 | EX |
| Cyanea mauiensis | 78777379 | EX | |
| Acaena exigua | 44072 | EX | |
| Achyranthes atollensis | 44074 | EX | |
| Amaranthus brownii | 44077 | EX | |
| Argyroxiphium virescens | 44078 | EX | |
| Cyanea cylindrocalyx | 44093 | EX | |
| Cyanea dolichopoda | 44094 | EX | |
| Cyanea eleeleensis | 44096 | EX | |
| Cyanea comata | 44101 | EX | |
| Euphorbia remyi var. hanaleiensis | 44127 | EX | |
| Cyanea copelandii subsp. copelandii | 44141 | EX | |
| Cenchrus agrimonioides var. laysanensis | 44151 | EX | |
| Melicope nealae | 97905834 | EX | |
| Rhyacophila amabilis | Castle Lake Caddisfly | 19695 | EX |
| Rhyncogonus bryani | 19724 | EX | |
| Cyanea sessilifolia | 78777637 | EX | |
| Lepidomeda altivelis | Pahranagat Spinedace | 11577 | EX |
| Salvelinus agassizii | Silver Trout | 19873 | EX |
| Cyanea linearifolia | 91172297 | EX | |
| Athearnia crassa | Boulder Snail | 11768 | EX |
| Leptoxis clipeata | Agate Rocksnail | 11773 | EX |
| Leptoxis compacta | Oblong Rocksnail | 11774 | EX |
| Leptoxis foremanii | Interrupted Rocksnail | 11775 | EX |
| Leptoxis formosa | Maiden Rocksnail | 11776 | EX |
| Leptoxis ligata | Rotund Rocksnail | 11777 | EX |
| Leptoxis lirata | Lyrate Rocksnail | 11778 | EX |
| Leptoxis occultata | Bigmouth Rocksnail | 11781 | EX |
| Leptoxis showalterii | Coosa Rocksnail | 11784 | EX |
| Leptoxis torrefacta | Squat Rocksnail | 11786 | EX |
| Leptoxis vittata | Striped Rocksnail | 11788 | EX |
| Campsicnemus mirabilis | 3719 | EX | |
| Cyanea minutiflora | 91172490 | EX | |
| Levuana irridescens | Levuana Moth | 11919 | EX |
| Tischeria perplexa | Chestnut Clearwing Moth | 21920 | EX |
| Schiedea amplexicaulis | 97909097 | EX | |
| Carelia anceophila | 3875 | EX | |
| Carelia bicolor | 3876 | EX | |
| Carelia cochlea | 3877 | EX | |
| Carelia cumingiana | 3878 | EX | |
| Carelia dolei | 3879 | EX | |
| Carelia evelynae | 3880 | EX | |
| Carelia glossema | 3881 | EX | |
| Carelia hyattiana | 3882 | EX | |
| Carelia kalalauensis | 3883 | EX | |
| Carelia knudseni | 3884 | EX | |
| Carelia lirata | 3885 | EX | |
| Carelia lymani | 3886 | EX | |
| Carelia mirabilis | 3887 | EX | |
| Carelia necra | 3888 | EX | |
| Carelia olivacea | 3889 | EX | |
| Carelia paradoxa | 3890 | EX | |
| Carelia periscelis | 3891 | EX | |
| Carelia pilsbryi | 3892 | EX | |
| Carelia sinclairi | 3893 | EX | |
| Carelia tenebrosa | 3895 | EX | |
| Carelia turricula | 3896 | EX | |
| Somatogyrus amnicoloides | Oachita Pebblesnail | 20350 | EX |
| Somatogyrus crassilabris | Thick-lipped Pebblesnail | 20355 | EX |
| Somatogyrus wheeleri | Channeled Pebblesnail | 20370 | EX |
| Cyanea parvifolia | 91172805 | EX | |
| Lottia alveus | Eelgrass Limpet | 12382 | EX |
| Chloridops kona | Grosbeak Finch | 22728825 | EX |
| Oncorhynchus nerka COLUMBIA RIVER: Yakima R | Sockeye Salmon | 135316 | EX |
| Oncorhynchus nerka COLUMBIA RIVER: Wallowa Lk | Sockeye Salmon | 135326 | EX |
| Oncorhynchus nerka COLUMBIA RIVER: Payette R | Sockeye Salmon | 135339 | EX |
| Moho braccatus | Kauai Oo | 22704323 | EX |
| Moho apicalis | Oahu Oo | 22704329 | EX |
| Himatione fraithii | Laysan Honeycreeper | 103829706 | EX |
| Akialoa obscura | Hawaii Akialoa | 22728910 | EX |
| Moho bishopi | Bishop's 'O'o | 22704335 | EX |
| Moho nobilis | Hawai'i 'O'o | 22704342 | EX |
| Chaetoptila angustipluma | Kioea | 22704348 | EX |
| Dysmorodrepanis munroi | Lana'i Hookbill | 22720738 | EX |
| Rhodacanthis flaviceps | Lesser Koa-Finch | 22720745 | EX |
| Rhodacanthis palmeri | Greater Koa-Finch | 22720749 | EX |
| Lyropupa perlonga | 12526 | EX | |
| Viridonia sagittirostris | Greater Amakihi | 22720784 | EX |
| Paroreomyza flammea | Kakawahie | 22720823 | EX |
| Ciridops anna | Ula-ai-hawane | 22720840 | EX |
| Drepanis pacifica | Hawaii Mamo | 22720848 | EX |
| Drepanis funerea | Black Mamo | 22720852 | EX |
| Stonemyia volutina | Volutine Stoneyian Tabanid Fly | 20867 | EX |
| Chasmistes muriei | Snake River Sucker | 4589 | EX |
| Stygobromus lucifugus | Rubious Cave Amphipod | 20995 | EX |
| Triaenodes phalacris | Athens Caddisfly | 22087 | EX |
| Triaenodes tridontus | Three-tooth Caddisfly | 22088 | EX |
| Medionidus mcglameriae | Tombigbee Moccasinshell | 12926 | EX |
| Megalagrion jugorum | Maui Upland Damselfly | 12953 | EX |
| Syncaris pasadenae | Pasadena Freshwater Shrimp | 21250 | EX |
| Pyrgulopsis nevadensis | Corded Pyrg | 40048 | EX |
| Plethodon ainsworthi | Ainsworth's Salamander | 29488 | EX |
| Clappia cahabensis | Cahaba Pebblesnail | 4955 | EX |
| Clavicoccus erinaceus | 4961 | EX | |
| Coleophora leucochrysella | 5111 | EX | |
| Collisella edmitchelli | 5119 | EX | |
| Gila crassicauda | Thicktail Chub | 9183 | EX |
| Tritocleis microphylla | Ola'a Peppered Looper Moth | 22209 | EX |
| Conozoa hyalina | Central Valley Grasshopper | 5261 | EX |
| Cottus echinatus | Utah Lake Sculpin | 5438 | EX |
| Stagnicola pilsbryi | Fish Springs Marshsnail | 177724 | EX |
| Trigonoscuta rossi | Fort Ross Weevil | 22147 | EX |
| Trigonoscuta yorbalindae | Yorba Linda Weevil | 22148 | EX |
| Hibiscadelphus wilderianus | 30397 | EX | |
| Akialoa ellisiana | Oahu Akialoa | 103823212 | EX |
| Hibiscus brackenridgei subsp. molokaiana | 80091009 | EX | |
| Akialoa stejnegeri | Kauai Akialoa | 103823250 | EX |
| Hibiscadelphus bombycinus | Kawaihae Hibiscadelphus | 30774 | EX |
| Kokia lanceolata | 30777 | EX | |
| Akialoa lanaiensis | Lanai Akialoa | 103823431 | EX |
| Neduba extincta | Antioch Dunes Shieldback Katydid | 14483 | EX |
| Cyanea giffardii | Giffard's Cyanea | 30919 | EX |
| Cyanea pycnocarpa | 30921 | EX | |
| Hemignathus lucidus | Oahu Nukupuu | 103823595 | EX |
| Moxostoma lacerum | Harelip Sucker | 39291 | EX |
| Newcombia philippiana | 14746 | EX | |
| Tetramolopium consanguineum subsp. consanguineum | 97909271 | EX | |
| Noturus trautmani | Scioto Madtom | 14908 | EX |
| Drosophila lanaiensis | 6844 | EX | |
| Dryophthorus distinguendus | 6862 | EX | |
| Loxops wolstenholmei | Oahu Akepa | 103824105 | EX |
| Oodemas laysanensis | Laysan Weevil | 15144 | EX |
| Oeobia sp. nov. | 15166 | EX | |
| Ectoedemia castaneae | American Chestnut Moth | 7028 | EX |
| Ectoedemia phleophaga | Phleophagan Chestnut Moth | 7029 | EX |
| Pleurobema flavidulum | Yellow Pigtoe | 17680 | EX |
| Pleurobema hagleri | Brown Pigtoe | 17684 | EX |
| Pleurobema johannis | Alabama Pigtoe | 17686 | EX |
| Pleurobema murrayense | Coosa Pigtoe | 17687 | EX |
| Pleurobema nucleopsis | Longnut | 17688 | EX |
| Pleurobema troschelianum | Alabama Clubshell | 17694 | EX |
| Clappia umbilicata | Umbilicate Pebblesnail | 40046 | EX |
| Delissea subcordata | 79862904 | EX | |
| Somatogyrus alcoviensis | Reverse Pebblesnail | 40053 | EX |
| Elimia gibbera | Shouldered Elimia | 40100 | EX |
| Elimia lachryma | Teardrop Elimia | 40101 | EX |
| Elimia macglameriana | Wrinkled Elimia | 40102 | EX |
| Wikstroemia hanalei | 97910096 | EX | |
| Elimia brevis | Short-spired Elimia | 7584 | EX |
| Elimia vanuxemiana | Cobble Elimia | 7587 | EX |
| Elimia clausa | Closed Elimia | 7589 | EX |
| Elimia fusiformis | Fusiform Elimia | 7590 | EX |
| Elimia hartmaniana | High-spired Elimia | 7591 | EX |
| Elimia impressa | Constricted Elimia | 7592 | EX |
| Elimia jonesi | Hearty Elimia | 7593 | EX |
| Elimia laeta | Ribbed Elimia | 7594 | EX |
| Elimia pilsbryi | Rough-lined Elimia | 7595 | EX |
| Elimia pupaeformis | Pupa Elimia | 7596 | EX |
| Elimia pygmaea | Pygmy Elimia | 7597 | EX |
| Pacifastacus nigrescens | Sooty Crayfish | 15867 | EX |
| Neoplanorbis carinatus | Carinate Flat-top Snail | 14553 | EX |
| Neoplanorbis smithi | Angled Flat-top Snail | 14554 | EX |
| Neoplanorbis umbilicatus | Umbilicate Flat-top Snail | 14555 | EX |
| Neoplanorbis tantillus | Little Flat-top Snail | 14556 | EX |
| Empetrichthys merriami | Ash Meadows Poolfish | 7705 | EX |
| Epioblasma arcaeformis | Sugarspoon | 7863 | EX |
| Epioblasma biemarginata | Angled Riffleshell | 7864 | EX |
| Epioblasma flexuosa | Leafshell | 7868 | EX |
| Epioblasma florentina ssp. florentina | Yellow-blossom | 7869 | EX |
| Epioblasma haysiana | Acornshell | 7872 | EX |
| Epioblasma lenior | Stone's Pearly Mussel | 7874 | EX |
| Epioblasma personata | Fine-rayed Pearly Mussel | 7879 | EX |
| Epioblasma propinqua | Nearby Pearly Mussel | 7880 | EX |
| Epioblasma sampsonii | Sampson's Riffleshell | 7881 | EX |
| Epioblasma torulosa ssp. gubernaculum | Green-blossom Pearly Mussel | 7886 | EX |
| Epioblasma turgidula | Turgid-blossom | 7890 | EX |
| Epioblasma lewisii | Lewis Pearly Mussel | 7892 | EX |
| Epioblasma stewardsonii | Steward's Pearly Mussel | 7895 | EX |
| Delissea subcordata subsp. subcordata | 79863526 | EX | |
| Pentagenia robusta | Robust Pentagenian Burrowing Mayfly | 40726 | EX |
| Delissea subcordata subsp. obtusifolia | 79863585 | EX | |
| Etheostoma sellare | Maryland Darter | 8128 | EX |
| Partulina crassa | 16351 | EX | |
| Partulina montagui | 16353 | EX |
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Species are classified by the IUCN Red List into nine groups: