List of Data Deficient species in United States
This is a list of Data Deficient 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 |
|---|---|---|---|
| Holothuria annulifera | 180296 | DD | |
| Parasaccogaster rhamphidognatha | 196684 | DD | |
| Quercus tardifolia | Chisos Mountains Oak | 30958 | DD |
| Nesopupa newcombi | 14695 | DD | |
| Nesopupa oahuensis | 14696 | DD | |
| Nesopupa plicifera | 14697 | DD | |
| Perdicella carinella | 16598 | DD | |
| Nesopupa singularis | 14699 | DD | |
| Nesopupa subcentralis | 14700 | DD | |
| Pseudostichopus tuberosus | 180460 | DD | |
| Nesopupa thaanumi | 14701 | DD | |
| Nesopupa waianensis | 14702 | DD | |
| Valvata winnebagoensis | Flanged Valvata | 69632260 | DD |
| Fallicambarus burrisi | Burrowing Bog Crayfish | 8488 | DD |
| Physella hordacea | Grain Physa | 69624206 | DD |
| Sorex alaskanus | Glacier Bay Water Shrew | 41384 | DD |
| Fluminicola avernalis | Moapa Pebblesnail | 8621 | DD |
| Fluminicola merriami | Pahranagat Valley Turban Snail | 8623 | DD |
| Fluminicola columbiana | Columbia Pebblesnail | 8626 | DD |
| Fontigens holsingeri | Tapered Cavesnail | 8640 | DD |
| Phreatodrobia coronae | Crowned Cavesnail | 188869 | DD |
| Scorpaenopsis pluralis | 69919192 | DD | |
| Aseraggodes holcomi | Holcom's Reef Sole | 69779937 | DD |
| Fluminicola dalli | Pyramid Lake Pebblesnail | 188967 | DD |
| Phreatodrobia rotunda | Beaked Cavesnail | 189057 | DD |
| Platanthera zothecina | Alcove Bog Orchid | 64176810 | DD |
| Physella parkeri | Broadshoulder Physa | 69624521 | DD |
| Synodus mundyi | 67855065 | DD | |
| Fontigens weberi | 189153 | DD | |
| Physella vinosa | Banded Physa | 69624546 | DD |
| Elliptio cylindracea | Sad Elliptio | 189160 | DD |
| Vespericola karokorum | Karok Indian Snail | 22946 | DD |
| Erinna aulacospira | Hawaiian Bugle | 189194 | DD |
| Mesoplodon perrini | Perrin's Beaked Whale | 41759 | DD |
| Conozoa picturata | 107430701 | DD | |
| Physella natricina | Snake River Physa Snail | 17239 | DD |
| Fontigens binneyana | 189289 | DD | |
| Alosa alabamae | Alabama Shad | 908 | DD |
| Pristinicola hemphilli | 189336 | DD | |
| Melanoplus hesperus | Santa Lucia Spur-throat Grasshopper | 107430872 | DD |
| Pleurobema athearni | Canoe Creek Pigtoe | 173058 | DD |
| Pleurocera nobilis | Noble Hornsnail | 189479 | DD |
| Glyphyalinia pecki | 9284 | DD | |
| Melania erosa | 189516 | DD | |
| Phreatodrobia nugax | Domed Cavesnail | 189532 | DD |
| Somatochlora georgiana | Coppery Emerald | 164980 | DD |
| Viviparus limi | Ochlockonee Mysterysnail | 189581 | DD |
| Fluminicola seminalis | Nugget Pebblesnail | 189592 | DD |
| Tetragoneuria spinosa | Robust Baskettail | 165025 | DD |
| Fontigens orolibas | Blue Ridge Springsnail | 189607 | DD |
| Galba perpolita | Glossy Fossaria | 189609 | DD |
| Galba perplexa | 189644 | DD | |
| Archiphysa laphami | 189650 | DD | |
| Helianthus arizonensis | Arizona Sunflower | 20694246 | DD |
| Juga laurae | Oasis Juga | 189678 | DD |
| Archiphysa sonomae | Sonoma Physa | 189684 | DD |
| Aphaostracon xynoelictum | 189695 | DD | |
| Helianthus deserticola | Desert Sunflower | 20694284 | DD |
| Anguispira picta | Painted Snake-coiled Forest Snail | 1299 | DD |
| Helianthus neglectus | Neglected Sunflower | 20694311 | DD |
| Pleurocera postelli | Broken Hornsnail | 17706 | DD |
| Gryllotalpa major | Giant Mole Cricket | 9530 | DD |
| Varicus marilynae | Orangebelly Goby | 185909 | DD |
| Palaemonetes texanus | 198098 | DD | |
| Procambarus rathbunae | Combclaw Crayfish | 18216 | DD |
| Procambarus reimeri | 18217 | DD | |
| Polygyriscus virginianus | Virginia Fringed Mountain Snail | 17933 | DD |
| Procambarus steigmani | Parkhill Prairie Crayfish | 18218 | DD |
| Procambarus texanus | Bastrop Crayfish | 18219 | DD |
| Percina macrocephala | Longhead Darter | 16591 | DD |
| Perdicella kuhnsi | 16597 | DD | |
| Perdicella ornata | 16600 | DD | |
| Neoraja carolinensis | Carolina Pygmy Skate | 161522 | DD |
| Helminthoglypta arrosa ssp. pomoensis | 9850 | DD | |
| Helminthoglypta nickliniana ssp. awania | Nicklin's Peninsula Snail | 9854 | DD |
| Helminthoglypta nickliniana ssp. bridgesi | 9855 | DD | |
| Helminthoglypta nickliniana ssp. contracosta | 9856 | DD | |
| Helminthoglypta sequoicola ssp. consors | 9857 | DD | |
| Helminthoglypta expansilabris ssp. mattolensis | Cape Shoulderband | 9861 | DD |
| Helminthoglypta stiversiana ssp. miwoka | Dented Peninsula Snail | 9862 | DD |
| Helminthoglypta stiversiana ssp. williamsi | 9863 | DD | |
| Gyrinomimus parri | Parr's Combtooth Whalefish | 190141 | DD |
| Lepiota viridigleba | 76195538 | DD | |
| Batrachoseps diabolicus | Hell Hollow Slender Salamander | 59121 | DD |
| Batrachoseps gabrieli | San Gabriel Slender Salamander | 59122 | DD |
| Batrachoseps incognitus | San Simeon Slender Salamander | 59125 | DD |
| Batrachoseps kawia | Sequoia Slender Salamander | 59126 | DD |
| Batrachoseps minor | Lesser Slender Salamander | 59129 | DD |
| Callechelys springeri | Ridgefin Eel | 190212 | DD |
| Procambarus connus | Carrollton Crayfish | 18189 | DD |
| Apostichopus johnsoni | 19711761 | DD | |
| Procambarus barbiger | Jackson Prairie Crayfish | 18193 | DD |
| Procambarus latipleurum | Wingtail Crayfish | 18202 | DD |
| Procambarus gibbus | Muckalee Crayfish | 18207 | DD |
| Pantherophis slowinskii | Slowinski's Cornsnake | 63865 | DD |
| Procambarus pogum | Bearded Crayfish | 18215 | DD |
| Oculina tenella | Delicate Ivory Bush Coral | 132961 | DD |
| Desmognathus folkertsi | Dwarf Black-bellied Salamander | 59248 | DD |
| Eurycea chamberlaini | Chamberlain’s Dwarf Salamander | 59262 | DD |
| Eurycea pterophila | Blanco River Springs Salamander | 59273 | DD |
| Eurycea troglodytes | Eurycea Troglodytes Complex | 59276 | DD |
| Pronesopupa acanthinula | 18342 | DD | |
| Pronesopupa boettgeri | 18343 | DD | |
| Pronesopupa frondicella | 18344 | DD | |
| Pronesopupa hystricella | 18345 | DD | |
| Pronesopupa incerta | 18346 | DD | |
| Pronesopupa lymaniana | 18347 | DD | |
| Pronesopupa molokaiensis | 18348 | DD | |
| Pronesopupa orycta | 18349 | DD | |
| Pronesopupa sericata | 18350 | DD | |
| Plethodon aureolus | Tellico Salamander | 59332 | DD |
| Plethodon kiamichi | Kiamichi Slimy Salamander | 59345 | DD |
| Plethodon sequoyah | Sequoyah Slimy Salamander | 59353 | DD |
| Hobbseus attenuatus | Pearl Riverlet Crayfish | 10205 | DD |
| Hobbseus cristatus | Crested Riverlet Crayfish | 10206 | DD |
| Hobbseus petilus | Tombigbee Riverlet Crayfish | 10208 | DD |
| Stagnicola oronoensis | Obese Pondsnail | 189664 | DD |
| Orconectes quinebaugensis | 165914 | DD | |
| Procambarus pentastylus | 165918 | DD | |
| Armatobalanus nefrens | 2115 | DD | |
| Psammocora verrilli | 133328 | DD | |
| Pyrgulopsis longinqua | Salton Sea Springsnail | 189327 | DD |
| Auriculella ambusta | 2404 | DD | |
| Auriculella crassula | 2406 | DD | |
| Auriculella malleata | 2407 | DD | |
| Auriculella perpusilla | 2408 | DD | |
| Auriculella pulchra | 2409 | DD | |
| Auriculella tenella | 2410 | DD | |
| Auriculella castanea | 2405 | DD | |
| Megalocranchia fisheri | 190923 | DD | |
| Pocillopora molokensis | 133579 | DD | |
| Balanus aquila | 2534 | DD | |
| Pupoidopsis hawaiensis | 18920 | DD | |
| Pyrgulopsis chupaderae | Chupadera Springsnail | 18962 | DD |
| Pyrgulopsis crystalis | Crystal Spring Springsnail | 18964 | DD |
| Pyrgulopsis davisi | Davis County Springsnail | 18965 | DD |
| Pyrgulopsis fairbanksensis | Fairbanks Springsnail | 18967 | DD |
| Pyrgulopsis isolata | Elongate-gland Springsnail | 18971 | DD |
| Pyrgulopsis morrisoni | Page Sprlngsnail | 18975 | DD |
| Marstonia pachyta | Armored Marstonia | 18981 | DD |
| Pyrgulopsis nanus | Distal-gland Springsnail | 18976 | DD |
| Pyrgulopsis pecosensis | Pecos Springsnail | 18982 | DD |
| Pyrgulopsis pisteri | Median-gland Nevada Springsnail | 18983 | DD |
| Pyrgulopsis simplex | Fossil Springsnail | 18986 | DD |
| Pyrgulopsis sola | Brown Springsnail | 18987 | DD |
| Planorbella occidentalis | Fine-lined Ramshorn | 69626431 | DD |
| Batrachoseps relictus | Relictual Slender Salamander | 2650 | DD |
| Scotorythra paratactis | Hawaiian Hopseed Looper Moth | 20076 | DD |
| Binneya notabilis | Santa Barbara Shelled Slug | 2806 | DD |
| Komarekiona eatoni | Kentucky Earthworm | 11049 | DD |
| Omiodes continuatalis | 44543 | DD | |
| Omiodes epicentra | Oahu Swamp Hedyleptan Moth | 44544 | DD |
| Omiodes euryprora | Ola'a Banana Hedyleptan Moth | 44545 | DD |
| Omiodes fullawayi | Fullaway's Banana Hedyleptan Moth | 44546 | DD |
| Omiodes laysanensis | Laysan Hedyleptan Moth | 44547 | DD |
| Monadenia mormonum ssp. buttoni | 13663 | DD | |
| Monadenia mormonum ssp. hirsuta | 13664 | DD | |
| Monadenia troglodytes | Shasta Sideband | 13667 | DD |
| Monadenia yosemitensis ssp. yosemitensis | Indian Yosemite Snail | 13668 | DD |
| Apristurus profundorum | Deepwater Catshark | 44224 | DD |
| Lentipes concolor | Oopu Alamoo | 11501 | DD |
| Menidia clarkhubbsi | Texas Silverside | 47140142 | DD |
| Omiodes asaphombra | 'Ohe Hedyleptan Moth | 44542 | DD |
| Omiodes meyricki | Meyrick's Banana Hedyleptan Moth | 44548 | DD |
| Omiodes musicola | Maui Banana Hedyleptan Moth | 44549 | DD |
| Omiodes telegrapha | Telegraphic Hedyleptan Moth | 44550 | DD |
| Cambarellus blacki | Cypress Crayfish | 3669 | DD |
| Cambarellus diminutus | Least Crayfish | 3670 | DD |
| Cambarus catagius | Greensboro Burrowing Crayfish | 3674 | DD |
| Cambarus extraneus | Chickamauga Crayfish | 3676 | DD |
| Cambarus pristinus | Pristine Crayfish | 3680 | DD |
| Cambarus pyronotus | Fireback Crayfish | 3681 | DD |
| Cambarus veteranus | Big Sandy Crayfish | 3687 | DD |
| Cambarus fasciatus | Etowah Crayfish | 3694 | DD |
| Cambarus parrishi | Hiwassee Headwaters Crayfish | 3701 | DD |
| Cambarus spicatus | Broad River Spiny Crayfish | 3705 | DD |
| Cambarus strigosus | Lean Crayfish | 3706 | DD |
| Procambarus litosternum | Blackwater Crayfish | 153789 | DD |
| Amanita sp. nov. 'zayantensis' | 95383287 | DD | |
| Conus smirna | 192261 | DD | |
| Skistodiaptomus bogalusensis | 20286 | DD | |
| Skistodiaptomus sinuatus | 20287 | DD | |
| Orconectes theaphionensis | Sinkhole Crayfish | 153829 | DD |
| Rhodacmea hinkleyi | Knobby Ancylid | 189651 | DD |
| Thiara kauaiensis | 189652 | DD | |
| Procambarus medialis | Pamlico Crayfish | 153832 | DD |
| Procambarus lunzi | Hummock Crayfish | 153833 | DD |
| Lithasia lima | Warty Rocksnail | 12131 | DD |
| Lithasia curta | Knobby Rocksnail | 12134 | DD |
| Somatochlora calverti | Calvert | 20341 | DD |
| Somatochlora margarita | Texas Emerald | 20344 | DD |
| Somatogyrus parvulus | Sparrow Pebblesnail | 20347 | DD |
| Boletus peckii | 95383421 | DD | |
| Somatogyrus aureus | Golden Pebblesnail | 20351 | DD |
| Somatogyrus biangulatus | Angular Pebblesnail | 20352 | DD |
| Somatogyrus constrictus | Knotty Pebblesnail | 20353 | DD |
| Somatogyrus decipiens | Hidden Pebblesnail | 20357 | DD |
| Somatogyrus excavatus | Ovate Pebblesnail | 20358 | DD |
| Pomatiopsis californica | Pacific Walker | 189665 | DD |
| Somatogyrus hinkleyi | Granite Pebblesnail | 20360 | DD |
| Somatogyrus obtusus | Moon Pebblesnail | 20363 | DD |
| Somatogyrus pilsbryanus | Tallapoosa Pebblesnail | 20364 | DD |
| Somatogyrus sargenti | Mud Pebblesnail | 20367 | DD |
| Micromenetus alabamensis | Marsh Sprite | 189668 | DD |
| Thiara baldwini | 189669 | DD | |
| Asperoteuthis mangoldae | 176064 | DD | |
| Mastigoteuthis microlucens | 176083 | DD | |
| Somatogyrus trothis | 189679 | DD | |
| Somatogyrus tryoni | Coldwater Pebblesnail | 189680 | DD |
| Micromenetus sampsoni | Sampson Sprite | 189682 | DD |
| Procambarus penni | Pearl Blackwater Crayfish | 153862 | DD |
| Oncorhynchus nerka EASTERN ARCTIC CURRENT (WARM) | Sockeye Salmon | 135306 | DD |
| Procambarus petersi | Ogeechee Crayfish | 153896 | DD |
| Lycosa ericeticola | Rosemary Wolf Spider | 12438 | DD |
| Oncorhynchus nerka NOATAK RIVER | Sockeye Salmon | 135324 | DD |
| Oncorhynchus nerka YUKON RIVER | Sockeye Salmon | 135335 | DD |
| Oncorhynchus nerka TRANSBOUNDARY FJORDS: South | Sockeye Salmon | 135342 | DD |
| Eustomias quadrifilis | 135436488 | DD | |
| Oncorhynchus nerka KOBUK RIVER | Sockeye Salmon | 135355 | DD |
| Oncorhynchus nerka EASTERN ARCTIC (COLD) | Sockeye Salmon | 135379 | DD |
| Lyropupa anceyana | 12527 | DD | |
| Lyropupa clathratula | 12528 | DD | |
| Lyropupa hawaiiensis | 12529 | DD | |
| Lyropupa lyrata | 12530 | DD | |
| Lyropupa microthauma | 12531 | DD | |
| Lyropupa mirabilis | 12532 | DD | |
| Lyropupa prisca | 12533 | DD | |
| Lyropupa rhabdota | 12534 | DD | |
| Lyropupa scabra | 12535 | DD | |
| Lyropupa spaldingi | 12536 | DD | |
| Lyropupa sparna | 12537 | DD | |
| Lyropupa striatula | 12538 | DD | |
| Lyropupa thaanumi | 12539 | DD | |
| Lyropupa truncata | 12540 | DD | |
| Stenotrema hubrichti | 20767 | DD | |
| Stenotrema leai ssp. cheatumi | 20768 | DD | |
| Stenotrema pilsbryi | Pilsbry's Narrow-apertured Land Snail | 20769 | DD |
| Procambarus regalis | Regal Burrowing Crayfish | 153936 | DD |
| Procambarus youngi | Florida Longbeak Crayfish | 153946 | DD |
| Procambarus marthae | Crisscross Crayfish | 153960 | DD |
| Procambarus pearsei | Carolina Sandhills Crayfish | 153963 | DD |
| Barathronus unicolor | 135385599 | DD | |
| Procambarus pubescens | Brushnose Crayfish | 153969 | DD |
| Bellottia cryptica | 135385613 | DD | |
| Procambarus ancylus | Coastal Plain Crayfish | 153976 | DD |
| Bellottia robusta | 135385638 | DD | |
| Procambarus rogersi | Field Crayfish | 62030 | DD |
| Catalpa bignonioides | catawba | 61985360 | DD |
| Amphioctopus arenicola | 87585390 | DD | |
| Procambarus zonangulus | Southern White River Crayfish | 153993 | DD |
| Succinea chittenangoensis | Chittenango Ovate Amber Snail | 21128 | DD |
| Brachypelma aureoceps | Florida golden chestnut | 66081466 | DD |
| Procambarus elegans | Elegant Creek Crayfish | 154012 | DD |
| Procambarus geodytes | Muddiver Crayfish | 154015 | DD |
| Prunus rivularis | Creek Plum | 50635658 | DD |
| Prunus maritima | Beach Plum | 50475932 | DD |
| Mesodon archeri | Archer's Toothed Land Snail | 13224 | DD |
| Mesodon clarki ssp. nantahala | Noonday Snail | 13225 | DD |
| Mesodon clausus ssp. trossulus | Banded Mesodon | 13226 | DD |
| Mesodon jonesianus | Jones' Middle-toothed Land Snail | 13228 | DD |
| Lactarius cordovaensis | 95384525 | DD | |
| Tartarocreagris texana | Tooth Cave Pseudoscorpion | 21497 | DD |
| Opuntia aciculata | 152685 | DD | |
| Pinnichthys prolata | Platform Goby | 135402647 | DD |
| Torquigener randalli | Randall's Puffer | 193689 | DD |
| Psilotris laetarii | Burrow Splitfin Goby | 135402795 | DD |
| Cottus princeps | Klamath Lake Sculpin | 5442 | DD |
| Catostomus utawana | Summer Sucker | 202064 | DD |
| Sorex neomexicanus | New Mexico Shrew | 136608 | DD |
| Notropis ortenburgeri | Kiamichi Shiner | 202314 | DD |
| Notropis suttkusi | Rocky Shiner | 202330 | DD |
| Breviraja claramaculata | 161416 | DD | |
| Triodopsis occidentalis | Western Three-toothed Land Snail | 22193 | DD |
| Triodopsis platysayoides | Flat-spired Three-toothed Snail | 22194 | DD |
| Dipturus oregoni | Hooktail Skate | 161514 | DD |
| Albula virgata | Longjaw Bonefish | 194302 | DD |
| Cyclocosmia torreya | Torreya Trap-door Spider | 6008 | DD |
| Pritchardia elliptica | 38643 | DD | |
| Springeria folirostris | Leafnose Legskate | 161681 | DD |
| Pseudotryonia adamantina | Diamond Y Springsnail | 22420 | DD |
| Tryonia alamosae | Alamosa Springsnail | 22421 | DD |
| Tryonia angulata | Sportingoods Tryonia | 22422 | DD |
| Tryonia cheatumi | Cheatum's Snail | 22416 | DD |
| Tryonia elata | Point of Rocks Tryonia | 22424 | DD |
| Breviraja spinosa | Spiny Shortskate | 161708 | DD |
| Dipturus olseni | Spreadfin Skate | 161718 | DD |
| Cyprogenia aberti | Western Fanshell | 6182 | DD |
| Panulirus marginatus | Banded Spiny Lobster | 170067 | DD |
| Pacifastacus connectens | Snake River Pilose Crayfish | 153701 | DD |
| Tryonia clathrata | White River Snail | 22417 | DD |
| Tryonia imitator | California Brackish Water Snail | 22418 | DD |
| Cambarus brachydactylus | Shortfinger Crayfish | 153754 | DD |
| Procambarus pubischelae | Hookless Crayfish | 153769 | DD |
| Cambarus conasaugaensis | Mountain Crayfish | 153805 | DD |
| Distocambarus crockeri | Piedmont Prairie Burrowing Crayfish | 153809 | DD |
| Fallicambarus dissitus | Pine Hills Digger | 153808 | DD |
| Cambarellus schmitti | Fontal Dwarf Crayfish | 153836 | DD |
| Cambarus doughertyensis | Dougherty Burrowing Crayfish | 153839 | DD |
| Eustomias silvescens | 135436536 | DD | |
| Orconectes hobbsi | Pontchartrain Painted Crayfish | 153848 | DD |
| Cambarus jezerinaci | Spiny Scale Crayfish | 153854 | DD |
| Cambarus brimleyorum | Valley River Crayfish | 153867 | DD |
| Procambarus lepidodactylus | Pee Dee Lotic Crayfish | 153875 | DD |
| Orconectes virginiensis | Chowanoke Crayfish | 153883 | DD |
| Procambarus braswelli | Waccamaw Crayfish | 153885 | DD |
| Neritilia hawaiiensis | Anchialine Pool Snail | 14624 | DD |
| Cambarus hubrichti | Salem Cave Crayfish | 153903 | DD |
| Procambarus lewisi | Spur Crayfish | 153917 | DD |
| Procambarus pycnogonopodus | Stud Crayfish | 153922 | DD |
| Procambarus capillatus | Capillaceous Crayfish | 153929 | DD |
| Distocambarus carlsoni | Mimic Crayfish | 153937 | DD |
| Nesopupa alloia | 14682 | DD | |
| Nesopupa anceyana | 14683 | DD | |
| Nesopupa bacca | 14684 | DD | |
| Eurycea robusta | Blanco Blind Salamander | 39263 | DD |
| Nesopupa baldwini | 14685 | DD | |
| Nesopupa bishopi | 14686 | DD | |
| Nesopupa dispersa | 14687 | DD | |
| Nesopupa dubitabilis | 14688 | DD | |
| Nesopupa forbesi | 14689 | DD | |
| Nesopupa infrequens | 14690 | DD | |
| Nesopupa kauaiensis | 14691 | DD | |
| Nesopupa limatula | 14692 | DD | |
| Nesopupa litoralis | 14693 | DD | |
| Nesopupa wesleyana | 14703 | DD | |
| Fallicambarus tenuis | Ouachita Mountain Crayfish | 154001 | DD |
| Leptostomias analis | 135436700 | DD | |
| Orconectes barri | Cumberland Plateau Cave Crayfish | 154020 | DD |
| Bouchardina robisoni | Bayou Bodcau Crayfish | 154024 | DD |
| Procambarus evermanni | Panhandle Crayfish | 154027 | DD |
| Distocambarus devexus | Broad River Burrowing Crayfish | 6763 | DD |
| Iridoteuthis iris | 162595 | DD | |
| Euprymna scolopes | 162598 | DD | |
| Tryonia ericae | Minute Tryonia | 22425 | DD |
| Tryonia gilae | Gila Tryonia | 22426 | DD |
| Eleotris sandwicensis | Hawaii Spinecheek Gudgeon | 7134 | DD |
| Onychodiaptomus louisianensis | 15329 | DD | |
| Tryonia kosteri | Koster's Tryonia | 22427 | DD |
| Tryonia quitobaquitae | Quitabaquito Tryonia | 22428 | DD |
| Dicrostonyx unalascensis | Umnak Island Collared Lemming | 39974 | DD |
| Stemonosudis bullisi | 154666 | DD | |
| Tryonia variegata | Amargossa Tryonia | 22430 | DD |
| Orconectes mississippiensis | Mississippi Crayfish | 15427 | DD |
| Orconectes jonesi | Sucarnoochee River Crayfish | 15432 | DD |
| Orconectes maletae | Kisatchie Painted Crayfish | 15433 | DD |
| Bathyteuthis berryi | 162894 | DD | |
| Orconectes holti | Bimaculate Crayfish | 15442 | DD |
| Oreohelix idahoensis ssp. idahoensis | Idaho Banded Mountain Snail | 15461 | DD |
| Oreohelix strigosa ssp. goniogyra | Carinated Striate Banded Mntain Snail | 15466 | DD |
| Octopoteuthis nielseni | 162928 | DD | |
| Mastigoteuthis famelica | 162943 | DD | |
| Paraliparis megalopus | 154778 | DD | |
| Quercus robusta | Robust Oak | 34021 | DD |
| Gymnothorax polyspondylus | Many Vertebrae Moray | 195779 | DD |
| Grimpoteuthis tuftsi | 163012 | DD | |
| Sphagemacrurus gibber | 154867 | DD | |
| Stagnicola walkeriana | Calabash Pondsnail | 69623056 | DD |
| Coelorinchus aratrum | 154911 | DD | |
| Grimpoteuthis megaptera | 163106 | DD | |
| Luciobrotula lineata | 154923 | DD | |
| Muusoctopus canthylus | 163164 | DD | |
| Gonatus ursabrunae | 163190 | DD | |
| Neoleptoneta myopica | Tooth Cave Spider | 14529 | DD |
| Eptatretus lopheliae | 196031 | DD | |
| Eptatretus minor | 196035 | DD | |
| Elliptio arca | Alabama Spike | 7639 | DD |
| Elliptio fraterna | Brother Spike | 7645 | DD |
| Elliptio waltoni | Florida Lance | 7651 | DD |
| Procambarus raneyi | Disjunct Crayfish | 153824 | DD |
| Chascanopsetta crumenalis | 155137 | DD | |
| Prognatholiparis ptychomandibularis | 155150 | DD | |
| Abies balsamea var. phanerolepis | 46521889 | DD | |
| Magnapinna pacifica | 163365 | DD | |
| Monadenia fidelis ssp. minor | 13658 | DD | |
| Onychoteuthis banksii | 163375 | DD | |
| Octopus hawiiensis | 163378 | DD | |
| Pteroctopus hoylei | 163380 | DD | |
| Gonatus oregonensis | 163400 | DD | |
| Monadenia fidelis ssp. pronotis | Rocky Coast Sideband | 13659 | DD |
| Chlorophthalmus chalybeius | 123321965 | DD | |
| Eustomias dinema | 155262 | DD | |
| Epischura massachusettsensis | 7898 | DD | |
| Callimachus youngorum | 18267928 | DD | |
| Eremarionta indioensis ssp. cathedralis | Cathedral Desert Snail | 7990 | DD |
| Eremarionta rowelli ssp. bakerensis | Baker Desert Snail | 7991 | DD |
| Eremarionta rowelli ssp. mccoiana | Mccoy Desert Snail | 7992 | DD |
| Stelgistrum beringianum | Smallplate Sculpin | 155065 | DD |
| Partulina fusoidea | 16352 | DD | |
| Partulina dwightii | 16356 | DD | |
| Partulina dolei | 16357 | DD | |
| Partulina kaaeana | 16359 | DD | |
| Partulina nattii | 16361 | DD | |
| Partulina porcellana | 16363 | DD | |
| Partulina talpina | 16367 | DD | |
| Partulina terebra | 16369 | DD | |
| Partulina ustulata | 16371 | DD | |
| Partulina virgulata | 16373 | DD |
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Species are classified by the IUCN Red List into nine groups: