SNo Common Name\Scientific Name Extinction Date Range Mammals

Prehistoric extinctions (beginning of the Holocene to 1500 AD) American Cheetahs 1 Miracinonyx trumani & Miracinonyx 11000 BC. Northern North America inexpectatus American Lion 2 11000 BC. USA, Canada and Mexico Panthera leo atrox American Mastodon 3 4080 BC. USA and Canada Mammut americanum American Mountain Deer 4 10000 BC. USA Odocoileus lucasi 5 Aztlanolagus agilis 10000 BC. Southeastern Arizona to Central America Beautiful Armadillo 6 8000 BC. USA to South America Dasypus bellus 7 Bison antiquus 10000 BC. USA and Canada 8 Bison occidentalis 5000 BC Alaska to Minnesota Blunt-toothed Giant Hutia 9 11000 BC. Northern Lesser Antilles Amblyrhiza inundata California Tapir 10 11000 BC. USA Tapirus californicus Camelops 11 8000 BC. USA and Mexico Camelops spp. Capromeryx 12 11000 BC. USA and Mexico Capromeryx minor 13 Caribbean Ground Sloths 5000 BC. Caribbean Islands Columbian Mammoth 14 5800 BC. USA and Mexico Mammuthus columbi Dire Wolf 15 8000 BC. North America Canis dirus Florida spectacled bear 16 8000 BC. USA Tremarctos floridanus Giant Beaver 17 Castoroides leiseyorum & Castoroides 11000 BC. Canada and USA ohioensis 18 Glyptodon 10000 BC. Central America Harlan's Muskox 19 9000 BC. North America Bootherium bombifrons Harrington's Mountain Goat 20 12000 BC. USA Oreamnos harringtoni 21 Holmesina septentrionalis 8000 BC. USA Jefferson's Ground Sloth 22 11000 BC. USA and Canada Megalonyx spp. Mexican Horse 23 11000 BC. USA and Mexico Equus conversidens 24 Mylohyus 9000 BC. North America Neochoerus spp. 25 11000 BC. Southeast USA to Panama Neochoerus aesopi & Neochoerus pinckneyi Osborn's Key Mouse 26 11000 BC. Jamaica Clidomys osborni Pleistocene North American Jaguar 27 10000 BC. Panama to USA Panthera onca augusta'’ Panamerican Ground Sloth 28 Eremotherium eomigrans & Eremotherium 11000 BC. USA to Panama laurillardi 29 Paramylodon harlani 11000 BC. North America Plate-toothed Giant Hutia 30 11000 BC. Puerto Rico Elasmodontomys obliquus 31 Platygonus 11000 BC. North America Pygmy Mammoth 32 10800-11300 BC. Channel Islands of California, USA Mammuthus exilis Saber-tooth cat 33 8000 BC. North America Smilodon sp. Scimitar Cats 34 10000 BC. USA, Canada, Mexico Homotherium sp. Shasta Ground Sloth 35 Nothrotheriops shastensis & Nothrotheriops 11000 BC. USA texanus Scott's horse 36 11000 BC. USA and Mexico Equus scotti'’ Short-faced bear 37 8000 BC. North America Arctodus simus Shrub-ox 38 9500 BC. North America Euceratherium collinum Stag-moose 39 12000 BC. USA and Canada Cervalces scotti Steppe Wisent 40 11000 BC. Alaska and Yukon Bison priscus’ Stilt-legged Llama 41 11000 BC. USA and Mexico Hemiauchenia sp. Stockoceros 42 11000 BC. Southwestern North America Stockoceros onusrosagris Stout-legged llama 43 11000 BC. USA Palaeolama ssp. 44 Tapirus merriami 11000 BC. USA Twisted-toothed Mouse 45 11000 BC. Hispaniola Quemisia gravis 46 Ursus maritimus tyrannus 11000 BC. Arctic Western Horse 47 10000 BC. USA Equus occidentalis Woolly Mammoth 48 2000 BC. Northern USA Mammuthus primigenius Yukon Horse 49 11000 BC. USA and Canada Equus lambei Recent extinctions (1500 AD to present) Antillean Giant Rice Rat 1 1902 France (Martinique) Megalomys desmarestii Anthony's Woodrat 2 1926 Mexico (Todos Los Santos Islands) Neotoma anthonyi Banks Island Wolf 3 1920 Canada Canis lupus bernardi Barbados Raccoon 4 1964 Barbados Procyon lotor gloveralleni Bunker's Woodrat 5 1932 Mexico (Coronados Islands) Neotoma bunkeri California Golden Bear 6 1922 California Ursus arctos californicus Caribbean Monk Seal 7 1952 Caribbean Sea Monachus tropicalis Cascade Mountains Wolf 8 1940 Canada and USA Canis lupus fuscus Cuban Coney 9 1500s Cuba Geocapromys columbianus Eastern Cougar Unknown (declared 10 Eastern Canada and USA Puma concolor couguar in 2011) Eastern Elk 11 1887 Eastern Canada and USA Cervus canadensis canadiensis Goff's Pocket Gopher 12 1955 Florida Geomys pinetis goffi Gull Island Vole 13 1897 Gull Island, New York Microtus pennsylvanicus nesophilus Hispaniolan Edible Rat 14 1500s Hispaniola Heteropsomys insulans Insular Cave Rat 15 circa 1600s Puerto Rico Heteropsomys insulans Imposter Hutia 16 1500s Hispaniola Hexolobodon phenax Jamaican Monkey 17 1500s Jamaica Xenothrix mcgregori Jamaican Rice Rat 18 1870s Jamaica Oryzomys antillarum Little Swan Island Hutia 19 1955 Swan Islands, Honduras Geocapromys thoracatus Marcano's Solenodon 20 1500s Hispaniola Solenodon marcanoi Merriam's Elk 21 1906 Southwestern USA Cervus canadensis merriami Mexican Grizzly Bear 22 1964 Southwestern USA Ursus arctos nelsoni Montane Hutia 23 1500s Hispaniola Isolobodon montanus Nelson's Rice Rat 24 1897 María Madre Island, Mexico Oryzomys nelsoni Nevis Rice Rat Netherlans (Sint Eustatius) & Saint Kitts 25 1500s Pennatomys nivalis and Nevis Newfoundland Wolf 26 1911 Newfoundland Canis lupus beothucu Oriente Cave Rat 27 1500s Cuba Boromys offella Pallid Beach Mouse 28 1959 Florida Peromyscus polionotus decoloratus Puerto Rican Hutia 29 circa 1600s Hispaniola and Puerto Rico Isolobodon portoricensis Puerto Rican Long-nosed Bat 30 circa 1600s Puerto Rico Monophyllus frater Saint Lucy Giant Rice Rat 31 1852 St. Lucia Megalomys luciae Saint Vincent Pygmy Rice Rat 32 1898 St. Vincent Oligoryzomys victus Samana Hutia 33 1500sbr Hispaniola Plagiodontia ipnaeum San Martín Island Woodrat 34 1950sbr> San Martín Island, Mexico Neotoma martinensis Sea Mink 35 1860 Atlantic Canada and New England Neovison macrodon Smith Island Cottontail 36 Before 1987 Smith Island, Virginia Sylvilagus floridanus hitchensi Southern Rocky Mountains Wolf 37 1935 Southern Rocky Mountains, USA Canis lupus youngi Steller's Sea Cow 38 1768 Commander Islands Hydrodamalis gigas Tacoma Pocket Gopher 39 1970 Washington Thomomys mazama tacomensis Torre's Cave Rat 40 1500s Cuba Boromys torrei Tule Shrew 41 1905 Baja California, Mexico Sorex ornatus juncensis West Indies Nesophontes Nesophontes sp. Atalaye Nesophontes Cuban Nesophontes Greater Cuban Nesophontes Cuba, Hispaniola, Puerto Rico, Haitian Nesophontes 42 1500s U.S. Virgin Islands & United Kingdom Lesser Cuban Nesophontes (Cayman Islands) Puerto Rican Nesophontes Saint Michel Nesophontes Slender Cuban Nesophontes Western Cuban Nesophontes Possibly Extinct Dwarf Hutia 1 1937 Cuba Mesocapromys nanus Garrido's Hutia 2 1989 Banco de los Jardins y Jardinillos, Cuba Mysateles garridoi Puebla Deer Mouse 3 1948 Puebla, Mexico Peromyscus mekisturus San Quintin Kangaroo Rat 4 1986 Baja California, Mexico Dipodomys gravipes San Felipe Hutia 5 1978 San Felipe, Cuba Mesocapromys sanfelipensis Sclater's Shrew 6 Unknown Chiapas, Mexico Sorex sclateri Birds

Prehistoric extinctions (begin Holocene to 1500 AD) 1 Aiolornis incredibilis Late Pleistocene North America Antillean Cave Rail 2 Late Pleistocene Puerto Rico and Virgin Islands Nesotrochis debooyi Californian Turkey 3 10,000 BC. USA Meleagris californica 4 Cathartornis gracilis 10,000 BC USA 5 Chendytes lawi 1800 BC. Western USA Coast Cuban Condor 6 Early Holocene Cuba Gymnogyps varonai Daggett's Eagle 7 13000 BC. California and Neuvo Leon, Mexico Buteogallus daggetti La Brea Stork 8 10000 BC. Western, Southern USA and Cuba Ciconia maltha Saint Croix Macaw 9 Unknown St. Croix, Virgin Islands. Ara autocthones Teratorns 10 Teratornis merriami & Teratornis 8000 BC. North America woodburnensis Woodward's Eagle 11 Late Pleistocene Caribbean Amplibuteo woodwardi Recent extinctions (1500 AD to present) Atitlán Grebe 1 1989 Guatemala Podilymbus gigas Bahaman Barn Owl 2 circa 1500s Andros Island, Bahamas Tyto pollens Bermuda Night Heron 3 circa 1700s Bermuda Nyctanassa carcinocatactes Brace's Emerald 4 1870s Bahamas Chlorostilbon bracei Carolina Parakeet 5 1918 Eastern USA and Canada Conuropsis carolinensis Cuban Ivory-billed Woodpecker 6 1987 Cuba Campephilus principalis bairdii Cuban Red Macaw 7 1860s Cuba Ara tricolor Dusky Seaside Sparrow 8 1987 Florida Ammodramus maritimus nigrescens Gould's Emerald 9 Unknown Bahamas or Jamaica Chlorostilbon elegans Grand Cayman Thrush 10 1940s Grand Cayman Turdus ravidus Great Auk 11 1852 North Atlantic Coast Pinguinus impennis Guadalupe Caracara 12 1900 Guadalupe, Mexico Caracara lutosa Guadeloupe Parakeet 13 circa 1700s France (Guadeloupe) Aratinga labati Guadeloupe Parrot 14 1779 France (Guadeloupe) Amazona violacea Heath Hen 15 1932 New England Tympanuchus cupido cupido Labrador Duck 16 1878 Atlantic Northeast Camptorhynchus labradorius Lesser Antillean Macaw 17 1760 France (Guadeloupe) Ara guadeloupensis Martinique Parrot 18 1779 France (Martinique) Amazona martinicana Mauge's Parakeet 19 1779 Mona Island, Puerto Rico Aratinga chloroptera maugei Passenger Pigeon 20 1914 Eastern USA and Canada Ectopistes migratorius Slender-billed Grackle 21 1910 Central Mexico Quiscalus palustris Spectacled Cormorant 22 1850 Komandorski Islands Phalacrocorax perspicillatus Violet Macaw 23 Unknown France (Guadeloupe) Anodorhynchus purpurascens Possibly Extinct Bachman's Warbler 1 1988 Southeastern USA Vermivora bachmanii Eskimo Curlew 2 1981 Alaska to Argentina Numenius borealis Guadalupe Storm Petrel 3 1912 Guadalupe, Mexico Oceanodroma macrodactyla Imperial Woodpecker 4 1956 Mexico Campephilus imperialis Ivory-billed Woodpecker 5 1987 Southeastern USA and Cuba Campephilus principalis Jamaican Petrel 6 1879 Jamaica Pterodroma caribbaea Jamaican Poorwill 7 1860 Jamaica Siphonorhis americana Semper's Warbler 8 1961 St. Lucia Leucopeza semperi Reptiles

Modern extinctions (1500 AD to present) Guadeloupe Ameiva 1 1928 France (Guadeloupe) Ameiva cineracea Jamaica Giant Galliwasp 2 1840 Jamaica Celestus occiduus Martinique Giant Ameiva 3 Unknown France (Martinique) Ameiva major Martinique Curly-tailed Lizard 4 1830s France (Martinique) Leiocephalus herminieri Navassa Curly-tailed Lizard 5 1917 Navassa Island, USA Leiocephalus eremitus Navassa Island Dwarf Boa 6 Late 1800s Navassa Island, USA Tropidophis bucculentus Navassa Island Iguana 7 Late 1800s Navassa Island, USA Cyclura cornuta onchiopsis Saint Croix Racer 8 Unknown St. Croix, US Virgin Islands Borikenophis sanctaecrucis Possibly Extinct Culebra Island Giant Anole 1 1978 Culebera Island, Puerto Rico Xiphosurus roosevelti Amphibians

Ainsworth's Salamander 1 1964 USA Plethodon ainsworthi 2 Craugastor chrysozetetes Unknown Honduras 3 Craugastor escoces 1986 Costa Rica Golden Toad 4 1989 Costa Rica Bufo periglenes Possibly Extinct Atoyac Minute Salamander 1 1980s Guerrero, Mexico Thorius infernalis Bigfoot Splayfoot Salamander 2 Unknown San Luis Potosí & Querétaro, Mexico Chiropterotriton magnipes Golden Coqui 3 1981 Puerto Rico Eleutherodactylus jasperi San Martin Pygmy Salamander 4 1980s Veracruz, Mexico Thorius narismagnus Web-footed Coquí 5 1974 Puerto Rico Eleutherodactylus karlschmidti Fish

Prehistoric extinctions (begin Holocene to 1500 AD) Saber-toothed Salmon 1 Late Pleistocene Western Coast of Canada and USA Oncorhynchus rastrosus Recent extinctions (1500 AD to present) Alberca Silverside 1 2006 Lerma River Basin, Mexico Chirostoma bartoni Alvord Cutthroat Trout 2 1920s Alvord Dry Lake, Oregon Oncorhynchus clarki alvordensis Ameca Shiner 3 Unknown Mexico Notropis amecae Amistad Gambusia Unknown (declared 4 Goodenough Spring, Texas Gambusia amistadensis in 1987) Ash Meadows Killifish 5 1948 Ash Meadows, Nevada Empetrichthys merriami Banff Longnose Dace Unknown (declared 6 Banff, Alberta Rhinichthys cataractae smithi in 1987) Blackfin Cisco 7 1969 Great Lakes, Canada and USA Coregonus nigripinnis Blue walleye 8 1983 Great Lakes, Canada and USA Sander vitreus glaucus Cachorrito de la Trinidad 9 Unknown Mexico Cyprinodon inmemoriam Clear Lake Splittail 10 1970s Clear Lake, California Pogonichthys ciscoides' Deepwater Cisco 11 1952 Great Lakes, Canada and USA Coregonus johannae Durango Shiner 12 Unknown Mexico Notropis aulidion Graceful Priapella 13 Unknown Mexico Priapella bonita Grass Valley Speckled Dace 14 1938 Lander County, Nevada Rhinichthys osculus reliquus Harelip Sucker 15 1893 Southeastern USA Moxostoma lacerum Independence Valley Tui Chub 16 1970s Independence Valley, Nevada Gila bicolor isolata Las Vegas Dace 17 1986 Las Vegas Valley, USA Rhinichthys deaconi Longjaw Cisco 18 1975 Great Lakes, Canada and USA Coregonus alpenae Maryland Darter 19 1988 Deer Creek, Maryland Etheostoma sellare Mexican Dace 20 Evarra bustamanteiEvarra eigenmanni & Unknown Mexico Evarra tlahuacensis Pahranagat Spinedace 21 1938 Pahranagat Valley, Nevada Lepidomeda altivelis Phantom Shiner 22 1975 Rio Grande Basin, Mexico and USA Notropis orca Parras Characodon 23 Unknown Mexico Characodon garmani Perrito de Parras 24 Unknown Mexico Cyprinodon latifasciatus Perrito de Sandia 25 Unknown Mexico Cyprinodon spp. Raycraft Ranch Killifish 26 Unknown Raycraft Ranch, Nevada Empetrichthys latos concavus Salado Shiner 27 Unknown Mexico Notropis saladonis San Marcos Gambusia 28 1983 San Marcos Spring, Texas Gambusia georgei Scioto Madtom 29 1957 Big Darby Creek, Ohio Noturus trautmani Shortnose Cisco 30 1985 Great Lakes, Canada and USA Coregonus reighardi Silver Trout 31 1930 Dublin Pond, New Hampshire Salvelinus agassizi Snake River Sucker 32 Unknown Snake River, Wyoming Chasmistes muriei Stumptooth Minnow 33 Unknown Mexico Stypodon signifer Tecopa Pupfish 34 1979 Majavo Desert Springs, California Cyprinodon nevadensis calidae Thicktail Chub 35 1950s Central Valley of California Gila crassicauda Utah Lake Sculpin 36 1928 Utah Lake, Utah Cottus echinatus Villa Lopez Pupfish 37 Unknown Mexico Cyprinodon ceciliae Yellowfin Cutthroat Trout 38 After 1903 Twin Lakes, Colorado Oncorhynchus clarki macdonald

Crustaceans

Cambarellus alvarezi, Around 1994, Mexico (Nuevo León) Chihuahua Dwarf Crayfish, Cambarellus chihuahuae Unknown, Mexico (Chihuahua) Florida Fairy Shrimp , Dexteria floridana, Unknown, Florida Hemigrapsus estellinensis , 1963, Estelline, Texas Pasadena Freshwater Shrimp , Syncaris pasadenae, 1933, Los Angeles, California Rubious Cave Amphipod , Stygobromus lucifugus, Unknown, Illinois Sandhills Crayfish , Procambarus angustatus, Unknown, Georgia Sooty Crayfish , Pacifastacus nigrescens, late 1800s, San Francisco Bay, California Insects

American Chestnut Moth, Ectoedemia castaneae, Unknown, USA Antioch Dunes Shieldback Katydid, Neduba extincta, Unknown, USA Athens Caddisfly, Triaenodes phalacris, Unknown, USA Castle Lake Caddisfly, Rhyacophila amabilis, Unknown, USA Central Valley Grasshopper, Conozoa hyalina, Unknown, USA Chestnut Casebearer Moth, Coleophora leucochrysella, 1900, USA Chestnut Ermine Moth,Argyresthia castaneella, Unknown, USA Chestnut Clearwing Moth, Coptotriche perplexa, Unknown, USA Fort Ross Weevil, Trigonoscuta rossi, Unknown, USA Mono Lake Diving Beetle, Hygrotus artus, Unknown, California Oeobia sp. Nov, Unknown, USA Phleophagan Chestnut Moth, Ectoedemia phleophaga, Unknown, Virginia Pecatonica River Mayfly, Acanthometropus pecatonica, Unknown, USA Rocky Mountain locust, Melanoplus spretus, 1902, Great Plains, Canada and USA Robert's stonefly, Alloperla roberti, Unknown, USA Robust Burrowing Mayfly, Pentagenia robusta, Unknown, Ohio River Area Three-toothed Caddisfly, Triaenodes tridonata, Unknown, USA Sloane's Urania Butterfly, Urania sloanus, 1894, Jamaica Volutine Stoneyian Tabanid Fly, Stonemyia volutina, Unknown, USA Xerces Blue Butterfly, Glaucopsyche xerces, 1943, Sunset District of San Francisco, California Yorba Linda Weevil, Trigonoscuta yorbalindae, Unknown, United States Mollusks

Acorn Pearly Mussel, Epioblasma haysiana, Unknown, Cumberland and Tennessee Rivers Acorn Ramshell, Planorbella multivolvis, Unknown, Michigan Agate Rocksnail,Leptoxis clipeata, Unknown, Alabama Alabama Clubhsell, Pleurobema troschelianum, Unknown, Alabama, Georgia and Tennessee Alabama Pigtoe, Pleurobema johannis, Unknown, Alabama, Georgia and Tennessee Amphicyclotulus guadeloupensis, Unknown, France (Guadeloupe) Angled Riffleshell, Epioblasma biemarginata, After 1967, Cumberland and Tennessee Rivers Arc-form Pearly Mussel, Epioblasma arcaeformis, 1940, Cumberland and Tennessee Rivers Arcuate Pearly Mussel, Epioblasma flexuosa, Unknown, United States Bigmouth Rocksnail, Leptoxis occultata, Unknown, Alabama Boulder Snail, Athearnia crassa, Unknown, Alabama, Georgia, Tennessee, Virginia Brown Pigtoe, Pleurobema hagleri, Unknown, United States Cahaba Pebblesnail, Clappia cahabensis, 1965, Cahaba River, Alabama Carolina Elktoe, Alasmidonta robusta, Unknown, the Carolinas Channeled Pebblesnail, Somatogyrus wheeleri, Unknown, Arkansas Closed Elimia, Elimia clausa, After 1967, Alabama Cobble Elimia, Elimia vanuxemiana, Unknown, Alabama Constricted Elimia, Elimia impressa, Unknown, Alabama Coosa Elktoe, Alasmidonta mccordi, Unknown, Alabama Coosa Pigtoe, Pleurobema murrayense, Unknown, USA Coosa Rocksnail, Leptoxis showalterii, Unknown, USA Corded Purg, Pyrgulopsis nevadensis, Unknown, Nevada Eelgrass Limpet, Lottia alveus, 1920s, Labrador to New York Elimia gibbera, Unknown, Alabama Elimia macglameriana, Unknown, Alabama & Georgia Excised Slitshell, Gyrotoma excisa, Unknown, Alabama Fine-rayed Pearly Mussel, Epioblasma personata, Early 1900s, Alabama, Indiana, Kentucky, Ohio & Tennessee Fish Lake Physa, Gyrotoma excisa, Unknown, Alabama Fusiform Elimia, Elimia fusiformis, Unknown, Alabama Green-blossom Pearly Mussel, Epioblasma torulosa gubernaculum,1980s, Tennessee River Hazel Pigtoe, Pleurobema avellanum, Unknown, United States Hearty Elimia, Elimia jonesi, Unknown, Alabama Highnut, Pleurobema altum, Unknown, United States High-spired Elimia, Elimia hartmaniana, Unknown, USA Incerticyclus cinereus, Unknown, Martinique Incerticyclus martinicensis, Unknown, Martinique Lewis Pearly Mussel, Epioblasma lewisii, Unknown, Cumberland and Tennessee Rivers Leptoxis torrefacta, Unknown, United States Lined Pocketbook, Lampsilis binominata, Unknown, USA Longnut, Pleurobema nucleopsis, Unknown, United States Lyrate Rocksnail, Leptoxis lirata, Unknown, Alabama Maiden Rocksnail, Leptoxis formosa, Unknown, Alabama & Georgia Nearby Pearly Mussel, Epioblasma propinqua, 1901, Cumberland and Tennessee Rivers Neoplanorbis carinatus, Unknown, United States Neoplanorbis smithi, Unknown, United States Oachita Pebblesnail, Somatogyrus amnicoloides, Unknown, Arkansas Ochlockonee Arcmussel, Alasmidonta wrightiana, Unknown, Florida Oleacina guadeloupensis, Unknown, Guadeloupe Olive Marstonia, Marstonia olivacea, 1940, Alabama Pagoda Slitshell, Gyrotoma pagoda, Unknown, Alabama Pleurodonte desidens, 1834, Martinique Pupa Elimia, Elimia pupaeformis, Unknown, Alabama Pygmy Elimia, Elimia pygmaea, Unknown, Alabama Pyramid Slitshell, Gyrotoma pyramidata, Unknown, Alabama Reverse Pebblesnail, Somatogyrus alcoviensis, Unknown, Georgia Ribbed Elimia, Elimia laeta, Unknown, Alabama Ribbed Slitshell, Gyrotoma pumila, Unknown, Alabama Rotund Rocksnail, Leptoxis ligata, Unknown, Alabama Rough-lined Elimia, Elimia pilsbryi, Unknown, Alabama Round Slitshell, Gyrotoma walkeri, Unknown, Alabama Sampson's Pearly Mussel, Epioblasma sampsonii, Illinois, Indiana and Kentucky Scioto Pigtoe, Pleurobema bournianum, Unknown, United States Shoal Sprite, Amphigyra alabamensis, Unknown, USA Short-spired Elimia, Elimia brevis, Unknown, Alabama Steward's Pearly Mussel,Epioblasma stewardsonii, Unknown, USA Stone's Pearly Mussel, Epioblasma lenior, After 1965, Alabama and Tennessee Striate Slitshell, Gyrotoma lewisii, Unknown, USA Striped Rocksnail, Leptoxis vittata, Unknown, United States Thick-lipped Pebblesnail, Somatogyrus crassilabris, Unknown, Arkansas Tombigbee Moccasinshell, Medionidus mcglameriae, Unknown, United States True Pigtoe, Pleurobema verum,Unknown, Alabama Tubercled-blossom Pearly Mussel, Epioblasma torulosa torulosa, Unknown, Canada Alabama, Illinois, Indiana, Kentucky, Ohio, Tennessee & West Virginia Turgid-blossom Pearly Mussel, Epioblasma turgidula, Unknown, USA Umbilicate Pebblesnail, Clappia umbilicata, 1928, Alabama Yellow Pigtoe, Pleurobema flavidulum, Unknown, United States

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Original source : en.wikipedia.org/wiki/List_of_extinct_animals_of_North_America