List of MALACOSTRACA species in United States
This is a list of MALACOSTRACA 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 |
|---|---|---|---|
| Cambarus chasmodactylus | New River Crayfish | 41250 | LC |
| Fallicambarus burrisi | Burrowing Bog Crayfish | 8488 | DD |
| Fallicambarus danielae | Speckled Burrowing Crayfish | 8489 | NT |
| Fallicambarus gilpini | Jefferson County Crayfish | 8490 | NT |
| Fallicambarus gordoni | Camp Shelby Burrowing Crayfish | 8491 | NT |
| Fallicambarus harpi | Ouachita Burrowing Crayfish | 8492 | NT |
| Fallicambarus hortoni | Hatchie Burrowing Crayfish | 8493 | CR |
| Fallicambarus petilicarpus | Slenderwrist Burrowing Crayfish | 8494 | EN |
| Fallicambarus strawni | Saline Burrowing Crayfish | 8495 | LC |
| Gammarus bousfieldi | Bousfield's Amphipod | 8901 | VU |
| Gammarus desperatus | Noel's Amphipod | 8902 | CR |
| Gammarus hyalelloides | Diminutive Amphipod | 8905 | VU |
| Gammarus pecos | Pecos Amphipod | 8904 | VU |
| Allocrangonyx hubrichti | Central Missouri Cave Amphipod | 873 | VU |
| Allocrangonyx pellucidus | Oklahoma Cave Amphipod | 874 | VU |
| Cambarus laconensis | Lacon Exit Cave Crayfish | 164914 | CR |
| Cambarus speleocoopi | Sweet Home Alabama Crayfish | 164915 | EN |
| Macrobrachium ohione | 198089 | LC | |
| Palaemonetes texanus | 198098 | DD | |
| Atyoida bisulcata | 198132 | NT | |
| Procambarus rathbunae | Combclaw Crayfish | 18216 | DD |
| Procambarus reimeri | 18217 | DD | |
| Procambarus steigmani | Parkhill Prairie Crayfish | 18218 | DD |
| Procambarus texanus | Bastrop Crayfish | 18219 | DD |
| Calathaemon holthuisi | 198335 | EN | |
| Antrolana lira | Madison Cave Isopod | 1787 | VU |
| Procambarus acherontis | Orlando Cave Crayfish | 18188 | EN |
| Procambarus connus | Carrollton Crayfish | 18189 | DD |
| Procambarus apalachicolae | Coastal Flatwoods Crayfish | 18191 | EN |
| Procambarus attiguus | Silver Glen Springs Cave Crayfish | 18192 | CR |
| Procambarus barbiger | Jackson Prairie Crayfish | 18193 | DD |
| Procambarus brazoriensis | Brazoria Crayfish | 18194 | EN |
| Procambarus cometes | Mississippi Flatwoods Crayfish | 18195 | EN |
| Procambarus delicatus | Big-cheeked Cave Crayfish | 18196 | CR |
| Procambarus econfinae | Panama City Crayfish | 18197 | EN |
| Procambarus erythrops | Santa Fe Cave Crayfish | 18198 | EN |
| Procambarus fitzpatricki | Spinytail Crayfish | 18199 | LC |
| Procambarus franzi | Orange Lake Cave Crayfish | 18200 | EN |
| Procambarus horsti | Big Blue Spring Cave Crayfish | 18201 | EN |
| Procambarus latipleurum | Wingtail Crayfish | 18202 | DD |
| Procambarus leitheuseri | Coastal Lowland Cave Crayfish | 18203 | EN |
| Procambarus milleri | Miami Cave Crayfish | 18204 | EN |
| Procambarus gibbus | Muckalee Crayfish | 18207 | DD |
| Procambarus lagniappe | Lagniappe Crayfish | 18208 | NT |
| Procambarus morrisi | Putnam County Cave Crayfish | 18205 | CR |
| Procambarus nechesae | Neches Crayfish | 18206 | LC |
| Procambarus nigrocinctus | Blackbelted Crayfish | 18209 | LC |
| Cambarus pecki | Phantom Cave Crayfish | 18212 | EN |
| Procambarus orcinus | Woodville Karst Cave Crayfish | 18211 | EN |
| Procambarus pictus | Spotted Royal Crayfish | 18213 | NT |
| Procambarus plumimanus | Croatan Crayfish | 18214 | LC |
| Procambarus angustatus | Sandhills Crayfish | 18220 | EX |
| Procambarus echinatus | Edisto Crayfish | 18221 | LC |
| Procambarus escambiensis | Escambia Crayfish | 18222 | EN |
| Procambarus pogum | Bearded Crayfish | 18215 | DD |
| Procambarus lucifugus ssp. alachua | Alachua Light-fleeing Cave Crayfish | 18224 | VU |
| Procambarus lucifugus ssp. lucifugus | Withlocoochee Light-fleeing Cave Crayfish | 18225 | EN |
| Procambarus rogersi ssp. campestris | 18226 | VU | |
| Procambarus rogersi ssp. expletus | 18227 | CR | |
| Procambarus rogersi ssp. ochlocknensis | 18228 | VU | |
| Procambarus rogersi ssp. rogersi | 18229 | VU | |
| Hobbseus attenuatus | Pearl Riverlet Crayfish | 10205 | DD |
| Hobbseus cristatus | Crested Riverlet Crayfish | 10206 | DD |
| Hobbseus orconectoides | Oktibbeha Riverlet Crayfish | 10207 | EN |
| Hobbseus petilus | Tombigbee Riverlet Crayfish | 10208 | DD |
| Hobbseus valleculus | Choctaw Riverlet Crayfish | 10209 | EN |
| Hobbseus yalobushensis | Yalobusha Riverlet Crayfish | 10210 | EN |
| Orconectes quinebaugensis | 165914 | DD | |
| Orconectes hathawayi ssp. hathawayi | 165915 | LC | |
| Procambarus pentastylus | 165918 | DD | |
| Procambarus verrucosus | Grainy Crayfish | 153786 | LC |
| Caecidotea barri | Clifton Cave Isopod | 3446 | EN |
| Caecidotea macropoda | Bat Cave Isopod | 3447 | VU |
| Caecidotea nickajackensis | Nickajack Cave Isopod | 3448 | VU |
| Cambarellus blacki | Cypress Crayfish | 3669 | DD |
| Cambarellus diminutus | Least Crayfish | 3670 | DD |
| Cambarellus lesliei | Angular Dwarf Crawfish | 3671 | LC |
| Cambarus batchi | Bluegrass Crayfish | 3672 | LC |
| Cambarus bouchardi | Big South Fork Crayfish | 3673 | NT |
| Cambarus catagius | Greensboro Burrowing Crayfish | 3674 | DD |
| Cambarus extraneus | Chickamauga Crayfish | 3676 | DD |
| Cambarus zophonastes | Hell Creek Cave Crayfish | 3678 | CR |
| Cambarus obeyensis | Obey Crayfish | 3677 | CR |
| Cambarus deweesae | Valley Flame Crayfish | 3679 | LC |
| Cambarus pristinus | Pristine Crayfish | 3680 | DD |
| Cambarus pyronotus | Fireback Crayfish | 3681 | DD |
| Cambarus subterraneus | Delaware County Cave Crayfish | 3682 | CR |
| Cambarus tartarus | Oklahoma Cave Crayfish | 3683 | CR |
| Cambarus williami | Brawleys Fork Crayfish | 3684 | NT |
| Cambarus truncatus | Oconee Burrowing Crayfish | 3685 | NT |
| Cambarus unestami | Blackbarred Crayfish | 3686 | LC |
| Cambarus veteranus | Big Sandy Crayfish | 3687 | DD |
| Cambarus aculabrum | Benton County Cave Crayfish | 3688 | CR |
| Cambarus chaugaensis | Chauga River Crayfish | 3689 | LC |
| Cambarus coosawattae | Coosawattee Crayfish | 3690 | NT |
| Cambarus cryptodytes | Apalachicola Cave Crayfish | 3691 | LC |
| Cambarus cymatilis | Conasauga Blue Burrower | 3692 | EN |
| Cambarus elkensis | Elk River Crayfish | 3693 | VU |
| Cambarus fasciatus | Etowah Crayfish | 3694 | DD |
| Cambarus georgiae | Little Tennessee River Crayfish | 3695 | LC |
| Cambarus harti | Piedmont Blue Burrower | 3696 | EN |
| Cambarus hiwasseensis | Hiwassee Crayfish | 3697 | LC |
| Cambarus howardi | Chattahoochee Crayfish | 3698 | LC |
| Cambarus miltus | Rusty Grave Digger | 3699 | LC |
| Cambarus nerterius | Greenbrier Cave Crayfish | 3700 | NT |
| Cambarus parrishi | Hiwassee Headwaters Crayfish | 3701 | DD |
| Cambarus reburrus | French Broad Crayfish | 3702 | LC |
| Cambarus scotti | Chattooga River Crayfish | 3703 | LC |
| Cambarus speciosus | Beautiful Crayfish | 3704 | NT |
| Cambarus spicatus | Broad River Spiny Crayfish | 3705 | DD |
| Cambarus strigosus | Lean Crayfish | 3706 | DD |
| Procambarus litosternum | Blackwater Crayfish | 153789 | DD |
| Procambarus bivittatus | Ribbon Crayfish | 153796 | LC |
| Procambarus mancus | Lame Crayfish | 153797 | LC |
| Fallicambarus caesius | Timberlands Burrowing Crayfish | 153798 | LC |
| Orconectes palmeri | 153799 | LC | |
| Orconectes neglectus | Gapped Ringed Crayfish | 153807 | LC |
| Procambarus curdi | Red River Burrowing Crayfish | 153813 | LC |
| Procambarus caritus | Poor Crayfish | 153817 | LC |
| Procambarus viaeviridis | Vernal Crayfish | 153821 | LC |
| Orconectes difficilis | Painted Crayfish | 153826 | LC |
| Procambarus alleni | Florida Crayfish | 153828 | LC |
| Orconectes theaphionensis | Sinkhole Crayfish | 153829 | DD |
| Orconectes wrighti | Hardin Crayfish | 15431 | VU |
| Procambarus medialis | Pamlico Crayfish | 153832 | DD |
| Procambarus lunzi | Hummock Crayfish | 153833 | DD |
| Lirceus culveri | Rye Cove Cave Isopod | 12120 | VU |
| Lirceus usdagalun | Lee County Cave Isopod | 12121 | EN |
| Procambarus paeninsulanus | Peninsula Crayfish | 153841 | LC |
| Procambarus planirostris | Flatnose Crayfish | 153843 | LC |
| Procambarus howellae | Ornate Crayfish | 153844 | LC |
| Procambarus okaloosae | Okaloosa Crayfish | 153845 | LC |
| Procambarus geminus | Twin Crawfish | 153846 | LC |
| Orconectes ronaldi | Mild River Crayfish | 153849 | LC |
| Procambarus troglodytes | Eastern Red Swamp Crayfish | 153851 | LC |
| Orconectes medius | Saddlebacked Crayfish | 153855 | LC |
| Orconectes stygocaneyi | Caney Mountain Cave Crayfish | 153857 | LC |
| Procambarus pygmaeus | Christmas Tree Crayfish | 153859 | LC |
| Spelaeorchestia kiloana | Kaui Cave Amphipod | 20451 | EN |
| Procambarus penni | Pearl Blackwater Crayfish | 153862 | DD |
| Procambarus suttkusi | Choctawhatchee Crayfish | 153864 | LC |
| Procambarus spiculifer | White Tubercled Crayfish | 153866 | LC |
| Procambarus petersi | Ogeechee Crayfish | 153896 | DD |
| Procambarus vioscai | Percy's Creek Crayfish | 153899 | LC |
| Procambarus dupratzi | Southwestern Creek Crayfish | 153900 | LC |
| Procambarus hayi | Straightedge Crayfish | 153906 | LC |
| Procambarus simulans | Southern Plains Crayfish | 153927 | LC |
| Orconectes chickasawae | Chickasaw Crayfish | 153930 | LC |
| Orconectes taylori | Crescent Crayfish | 168254 | VU |
| Procambarus regalis | Regal Burrowing Crayfish | 153936 | DD |
| Procambarus machardyi | Caddo Chimney Crayfish | 153938 | CR |
| Procambarus seminolae | Seminole Crayfish | 153941 | LC |
| Procambarus youngi | Florida Longbeak Crayfish | 153946 | DD |
| Orconectes punctimanus | Spothanded Crayfish | 153948 | LC |
| Procambarus parasimulans | Bismark Burrowin Crayfish | 153950 | LC |
| Procambarus enoplosternum | Black Mottled Crayfish | 153951 | LC |
| Procambarus gracilis | Prairie Crayfish | 153952 | LC |
| Orconectes alabamensis | Alabama Crayfish | 153953 | LC |
| Procambarus jaculus | Javelin Crayfish | 153959 | LC |
| Procambarus marthae | Crisscross Crayfish | 153960 | DD |
| Procambarus fallax | Deceitful Crayfish | 153961 | LC |
| Orconectes sheltae | Shelta Cave Crayfish | 153962 | CR |
| Procambarus pearsei | Carolina Sandhills Crayfish | 153963 | DD |
| Orconectes perfectus | Complete Crayfish | 153965 | LC |
| Stygobromus araeus | Tidewater Interstitial Amphipod | 20973 | VU |
| Stygobromus arizonensis | Arizona Cave Amphipod | 20974 | VU |
| Stygobromus barri | Barr's Cave Amphipod | 20976 | VU |
| Stygobromus bifurcatus | Bifurcated Cave Amphipod | 20977 | VU |
| Stygobromus bowmani | Bowman's Cave Amphipod | 20978 | VU |
| Stygobromus clantoni | Clanton's Cave Amphipod | 20979 | VU |
| Stygobromus conradi | Burnsville Cove Cave Amphipod | 20980 | VU |
| Stygobromus cooperi | Cooper's Cave Amphipod | 20981 | VU |
| Stygobromus dejectus | Cascade Cave Amphipod | 20982 | VU |
| Stygobromus elatus | Elevated Spring Amphipod | 20983 | VU |
| Stygobromus emarginatus | Greenbrier Cave Amphipod | 20984 | VU |
| Stygobromus ephemerus | Ephemeral Cave Amphipod | 20985 | VU |
| Stygobromus flagellatus | Ezell's Cave Amphipod | 20986 | VU |
| Stygobromus gradyi | Grady's Cave Amphipod | 20987 | VU |
| Stygobromus hadenoecus | Devil's Sinkhole Amphipod | 20988 | VU |
| Stygobromus harai | Hara's Cave Amphipod | 20989 | VU |
| Procambarus pubescens | Brushnose Crayfish | 153969 | DD |
| Stygobromus hayi | Hay's Spring Amphipod | 20990 | EN |
| Stygobromus heteropodus | Pickle Springs Amphipod | 20991 | VU |
| Stygobromus hubbsi | Malheur Cave Amphipod | 20992 | VU |
| Stygobromus identatus | Tidewater Stygonectid Amphipod | 20993 | VU |
| Stygobromus longipes | Long-legged Cave Amphipod | 20994 | VU |
| Stygobromus lucifugus | Rubious Cave Amphipod | 20995 | EX |
| Stygobromus mackenziei | Mackenzie's Cave Amphipod | 20996 | VU |
| Stygobromus montanus | Mountain Cave Amphipod | 20997 | VU |
| Stygobromus morrisoni | Morrison's Cave Amphipod | 20998 | VU |
| Stygobromus nortoni | Norton's Cave Amphipod | 21000 | VU |
| Stygobromus onondagaensis | Onondaga Cave Amphipod | 21001 | VU |
| Stygobromus ozarkensis | Ozark Cave Amphipod | 21002 | VU |
| Stygobromus parvus | Minute Cave Amphipod | 21003 | VU |
| Stygobromus pecki | Peck's Cave Amphipod | 21004 | EN |
| Stygobromus pizzinii | Pizzini's Amphipod | 21005 | VU |
| Stygobromus balconis | Balcones Cave Amphipod | 21013 | VU |
| Stygobromus mundus | Bath County Cave Amphipod | 21014 | VU |
| Stygobromus putealis | Wisconsin Well Amphipod | 21006 | VU |
| Stygobromus smithii | Alabama Well Amphipod | 21008 | VU |
| Stygobromus stellmacki | Stellmack's Cave Amphipod | 21010 | VU |
| Stygobromus subtilis | Subtle Cave Amphipod | 21011 | VU |
| Stygobromus wengerorum | Wengeror's Cave Amphipod | 21012 | VU |
| Procambarus ceruleus | Blueclaw Chimney Crawfish | 153975 | LC |
| Procambarus ancylus | Coastal Plain Crayfish | 153976 | DD |
| Procambarus shermani | Gulf Crayfish | 153978 | LC |
| Procambarus kilbyi | Hatchet Crayfish | 153980 | LC |
| Orconectes australis | Southern Cave Crayfish | 62025 | LC |
| Orconectes inermis | Ghost Crayfish | 62026 | LC |
| Orconectes meeki | Meek's Short Pointed Crayfish | 62027 | LC |
| Procambarus lucifugus | Vampire Crayfish | 62028 | LC |
| Procambarus rogersi | Field Crayfish | 62030 | DD |
| Procambarus zonangulus | Southern White River Crayfish | 153993 | DD |
| Procambarus natchitochae | Red River Crayfish | 153996 | LC |
| Orconectes eupunctus | Coldwater Crayfish | 153999 | VU |
| Procambarus barbatus | Wandering Crayfish | 154007 | LC |
| Procambarus acutissimus | Sharpnose Crayfish | 154010 | LC |
| Procambarus elegans | Elegant Creek Crayfish | 154012 | DD |
| Homeryon asper | 185055 | LC | |
| Procambarus ablusus | Hatchie River Crayfish | 154014 | LC |
| Procambarus geodytes | Muddiver Crayfish | 154015 | DD |
| Syncaris pacifica | California Freshwater Shrimp | 21249 | EN |
| Syncaris pasadenae | Pasadena Freshwater Shrimp | 21250 | EX |
| Thermosphaeroma thermophilum | Socorro Isopod | 21741 | EW |
| Crangonyx dearolfi | Pennsylvania Cave Amphipod | 5470 | EN |
| Crangonyx grandimanus | Florida Cave Amphipod | 5471 | VU |
| Crangonyx hobbsi | Hobb's Cave Amphipod | 5472 | VU |
| Cambarellus texanus | Brazos Dwarf Crayfish | 153628 | LC |
| Cambarellus ninae | Aransas Dwarf Crawfish | 153635 | LC |
| Panulirus marginatus | Banded Spiny Lobster | 170067 | DD |
| Pacifastacus connectens | Snake River Pilose Crayfish | 153701 | DD |
| Cambarus monongalensis | Blue Crayfish | 153730 | LC |
| Cambarus dubius | Upland Burrowing Crayfish | 153734 | LC |
| Pacifastacus gambelii | Pilose Crayfish | 153735 | LC |
| Cambarus brachydactylus | Shortfinger Crayfish | 153754 | DD |
| Procambarus truculentus | 153763 | LC | |
| Procambarus hirsutus | Shaggy Crayfish | 153766 | LC |
| Fallicambarus devastator | Texas Prairie Crayfish | 153768 | LC |
| Procambarus pubischelae | Hookless Crayfish | 153769 | DD |
| Cambarus ortmanni | Ortmann's Mudbug | 153770 | LC |
| Fallicambarus oryktes | Flatwoods Digger | 153771 | NT |
| Orconectes williamsi | Williams Crayfish | 153772 | LC |
| Troglocambarus maclanei | Spider Cave Crayfish | 153773 | NT |
| Orconectes burri | Blood River Crayfish | 153774 | NT |
| Procambarus tulanei | Giant Bearded Crayfish | 153775 | LC |
| Cambarus cumberlandensis | Cumberland Crayfish | 153776 | LC |
| Cambarus sphenoides | Triangleclaw Crayfish | 153778 | LC |
| Distocambarus hunteri | Saluda Burrowing Crayfish | 153779 | VU |
| Procambarus blandingii | Santee Crayfish | 153780 | LC |
| Cambarus acuminatus | Acuminate Crayfish | 153783 | LC |
| Orconectes validus | Powerful Crayfish | 153784 | LC |
| Procambarus chacei | Cedar Creek Crayfish | 153782 | LC |
| Procambarus hinei | Marsh Crayfish | 153785 | LC |
| Cambarus angularis | Angled Crayfish | 153791 | LC |
| Cambarus coosae | Coosa Crayfish | 153794 | LC |
| Cambarus causeyi | Boston Mountains Crayfish | 153800 | LC |
| Cambarus gentryi | Linear Cobalt Crayfish | 153803 | LC |
| Cambarus conasaugaensis | Mountain Crayfish | 153805 | DD |
| Cambarus eeseeohensis | Grandfather Mountain Crayfish | 153806 | VU |
| Distocambarus crockeri | Piedmont Prairie Burrowing Crayfish | 153809 | DD |
| Cambarus hystricosus | Sandhills Spiny Crayfish | 153811 | LC |
| Cambarus veitchorum | White Spring Cave Crayfish | 153812 | CR |
| Fallicambarus dissitus | Pine Hills Digger | 153808 | DD |
| Cambarus acanthura | Thornytail Crayfish | 153818 | LC |
| Cambarus sciotensis | Teays River Crayfish | 153820 | LC |
| Cambarus manningi | Greensaddle Crayfish | 153830 | LC |
| Cambarellus schmitti | Fontal Dwarf Crayfish | 153836 | DD |
| Fallicambarus byersi | Lavender Burrowing Crayfish | 153838 | LC |
| Cambarus doughertyensis | Dougherty Burrowing Crayfish | 153839 | DD |
| Orconectes illinoiensis | 153840 | LC | |
| Orconectes placidus | Bigclaw Crayfish | 153834 | LC |
| Procambarus epicyrtus | Humpback Crayfish | 153842 | LC |
| Orconectes erichsonianus | Reticulate Crayfish | 153847 | LC |
| Orconectes hobbsi | Pontchartrain Painted Crayfish | 153848 | DD |
| Cambarus carolinus | Red Burrowing Crayfish | 153850 | LC |
| Cambarus hamulatus | Prickly Cave Crayfish | 153852 | LC |
| Cambarus tuckasegee | Tuckasegee Stream Crayfish | 153853 | NT |
| Cambarus jezerinaci | Spiny Scale Crayfish | 153854 | DD |
| Cambarus englishi | Tallapoosa Crayfish | 153860 | LC |
| Orconectes etnieri | Ets Crayfish | 153861 | LC |
| Cambarus parvoculus | Mountain Midget Crayfish | 153863 | LC |
| Orconectes hylas | Woodland Crayfish | 153856 | LC |
| Orconectes nana | Midget Crayfish | 153858 | LC |
| Cambarus brimleyorum | Valley River Crayfish | 153867 | DD |
| Orconectes spinosus | Coosa River Spiny Crayfish | 153865 | LC |
| Cambarus buntingi | Longclaw Crayfish | 153869 | LC |
| Procambarus hybus | Smoothnose Crayfish | 153873 | LC |
| Orconectes pellucidus | Mammoth Cave Crayfish | 153874 | LC |
| Procambarus incilis | Cut Crayfish | 153868 | LC |
| Procambarus kensleyi | Free State Chimney Crawfish | 153871 | LC |
| Procambarus lepidodactylus | Pee Dee Lotic Crayfish | 153875 | DD |
| Faxonella beyeri | Sabine Fencing Crayfish | 153878 | LC |
| Procambarus pallidus | Pallid Cave Crayfish | 153879 | NT |
| Orconectes rafinesquei | Rough River Crayfish | 153880 | LC |
| Orconectes leptogonopodus | Little River Creek Crayfish | 153881 | LC |
| Cambarus maculatus | Freckled Crayfish | 153882 | LC |
| Orconectes virginiensis | Chowanoke Crayfish | 153883 | DD |
| Orconectes macrus | Neosho Midget Crayfish | 153884 | LC |
| Cambarus tenebrosus | Cavespring Crayfish | 153886 | LC |
| Procambarus braswelli | Waccamaw Crayfish | 153885 | DD |
| Fallicambarus macneesei | Old Prairie Digger | 153889 | LC |
| Procambarus lylei | Shutispear Crayfish | 153887 | EN |
| Cambarus striatus | Ambiguous Crayfish | 153891 | LC |
| Fallicambarus kountzeae | Big Thicket Burrowing Crayfish | 153894 | LC |
| Fallicambarus jeanae | Daisy Burrowing Crayfish | 153898 | VU |
| Orconectes rhoadesi | Fishhook Crayfish | 153895 | LC |
| Cambarus reflexus | Pine Savannah Crayfish | 153901 | LC |
| Cambarus hubrichti | Salem Cave Crayfish | 153903 | DD |
| Cambarus obstipus | Sloped Crayfish | 153904 | LC |
| Orconectes acares | Redspotted Stream Crayfish | 153902 | LC |
| Orconectes carolinensis | North Carolina Spiny Crayfish | 153907 | LC |
| Cambarus graysoni | Twospot Crayfish | 153908 | LC |
| Cambarus johni | Carolina Foothills Crayfish | 153909 | LC |
| Orconectes putnami | Phallic Crayfish | 153905 | LC |
| Orconectes pagei | Mottled Crayfish | 153911 | LC |
| Orconectes sanbornii | Sanborn's Crayfish | 153910 | LC |
| Cambarus girardianus | Tanback Crayfish | 153913 | LC |
| Cambarus hubbsi | 153914 | LC | |
| Faxonella blairi | Blair's Fencing Crayfish | 153915 | LC |
| Procambarus clemmeri | Cockscomb Crayfish | 153912 | LC |
| Procambarus lewisi | Spur Crayfish | 153917 | DD |
| Procambarus ouachitae | Ouachita River Crayfish | 153916 | LC |
| Cambarus friaufi | 153919 | LC | |
| Cambarus distans | Boxclaw Crayfish | 153920 | LC |
| Procambarus versutus | Sly Crayfish | 153918 | LC |
| Procambarus pycnogonopodus | Stud Crayfish | 153922 | DD |
| Orconectes tricuspis | Western Highland Crayfish | 153923 | LC |
| Cambarus polychromatus | Paintedhand Mudbug | 153926 | LC |
| Orconectes indianensis | Indiana Crayfish | 153928 | LC |
| Procambarus capillatus | Capillaceous Crayfish | 153929 | DD |
| Cambarellus puer | Swamp Dwarf Crayfish | 153931 | LC |
| Cambarus clivosus | Short Mountain Crayfish | 153932 | VU |
| Cambarus reduncus | Sickle Crayfish | 153933 | LC |
| Cambarus thomai | Little Brown Mudbug | 153935 | LC |
| Distocambarus carlsoni | Mimic Crayfish | 153937 | DD |
| Orconectes mirus | Wonderful Crayfish | 153939 | LC |
| Orconectes harrisonii | Belted Crayfish | 153942 | LC |
| Procambarus lecontei | Mobile Crayfish | 153934 | LC |
| Orconectes luteus | Golden Crayfish | 153944 | LC |
| Procambarus lophotus | Mane Crayfish | 153945 | LC |
| Faxonella clypeata | Ditch Fencing Crayfish | 153949 | LC |
| Cambarus jonesi | Alabama Cave Crayfish | 153956 | VU |
| Hobbseus prominens | Prominence Riverlet Crayfish | 153957 | LC |
| Cambarus halli | Slackwater Crayfish | 153964 | LC |
| Cambarus carinirostris | Rock Crayfish | 153967 | LC |
| Cambarus crinipes | Hairyfoot Crayfish | 153971 | LC |
| Barbicambarus cornutus | Bottlebrush Crayfish | 153972 | LC |
| Cambarus hobbsorum | Rocky River Crayfish | 153973 | LC |
| Orconectes lancifer | Shrimp Crayfish | 153970 | LC |
| Orconectes longidigitus | Longpincered Crayfish | 153974 | LC |
| Cambarus longulus | Atlantic Slope Crayfish | 153979 | LC |
| Cambarus rusticiformis | Depression Crayfish | 153982 | LC |
| Cambarus longirostris | Longnose Crayfish | 153983 | LC |
| Orconectes forceps | Surgeon Crayfish | 153984 | LC |
| Cambarus lenati | Broad River Stream Crayfish | 153985 | NT |
| Orconectes pardalotus | Leopard Crayfish | 153981 | EN |
| Orconectes ozarkae | Ozark Crayfish | 153988 | LC |
| Orconectes hathawayi | Teche Painted Crayfish | 153989 | LC |
| Faxonella creaseri | Ouachita Fencing Crayfish | 153990 | NT |
| Procambarus hagenianus | Southern Prairie Crayfish | 153992 | LC |
| Procambarus hubbelli | Jackknife Crayfish | 153991 | LC |
| Procambarus liberorum | Osage Burrowing Crayfish | 153986 | LC |
| Cambarus setosus | Bristly Cave Crayfish | 153995 | NT |
| Cambarus cracens | Slenderclaw Crayfish | 153997 | EN |
| Cambarus asperimanus | Mitten Crayfish | 153998 | LC |
| Fallicambarus tenuis | Ouachita Mountain Crayfish | 154001 | DD |
| Cambarus latimanus | Variable Crayfish | 154003 | LC |
| Cambarus davidi | Carolina Ladle Crayfish | 154004 | LC |
| Cambarus nodosus | Knotty Burrowing Crayfish | 154006 | LC |
| Cambarellus shufeldtii | Cajun Dwarf Crayfish | 154008 | LC |
| Orconectes compressus | Slender Crayfish | 154009 | LC |
| Orconectes barrenensis | Barren River Crayfish | 154017 | LC |
| Orconectes margorectus | Livingston Crayfish | 154018 | NT |
| Orconectes barri | Cumberland Plateau Cave Crayfish | 154020 | DD |
| Orconectes causeyi | 154021 | LC | |
| Orconectes nais | Water Nymph Crayfish | 154013 | LC |
| Fallicambarus houstonensis | Houston Burrowing Crayfish | 154023 | LC |
| Bouchardina robisoni | Bayou Bodcau Crayfish | 154024 | DD |
| Orconectes durelli | Saddle Crayfish | 154025 | LC |
| Procambarus acutus | White River Crayfish | 154022 | LC |
| Procambarus evermanni | Panhandle Crayfish | 154027 | DD |
| Cambarus ludovicianus | Painted Devil Crayfish | 154030 | LC |
| Orconectes cristavarius | Spiny Stream Crayfish | 154029 | LC |
| Procambarus advena | Vidalia Crayfish | 154031 | LC |
| Procambarus leonensis | Blacknose Crayfish | 154026 | LC |
| Procambarus talpoides | Mole Crayfish | 154028 | LC |
| Distocambarus devexus | Broad River Burrowing Crayfish | 6763 | DD |
| Distocambarus youngineri | Newberry Burrowing Crayfish | 6764 | VU |
| Orconectes jeffersoni | Louisville Crayfish | 15422 | EN |
| Orconectes shoupi | Nashville Crayfish | 15423 | EN |
| Orconectes bisectus | Crittenden Crayfish | 15424 | VU |
| Orconectes incomptus | Tennessee Cave Crayfish | 15425 | VU |
| Orconectes kentuckiensis | Kentucky Crayfish | 15426 | LC |
| Orconectes mississippiensis | Mississippi Crayfish | 15427 | DD |
| Orconectes saxatilis | Kiamichi Crayfish | 15428 | VU |
| Orconectes sloanii | Sloan's Crayfish | 15429 | LC |
| Orconectes stannardi | Little Wabash Crayfish | 15430 | LC |
| Orconectes jonesi | Sucarnoochee River Crayfish | 15432 | DD |
| Orconectes maletae | Kisatchie Painted Crayfish | 15433 | DD |
| Orconectes marchandi | Mammoth Spring Crayfish | 15434 | NT |
| Orconectes menae | Mena Crayfish | 15435 | LC |
| Orconectes peruncus | Big Creek Crayfish | 15436 | VU |
| Orconectes quadruncus | St. Francis River Crayfish | 15437 | VU |
| Orconectes cooperi | Flint River Crayfish | 15439 | LC |
| Orconectes deanae | Conchas Crayfish | 15440 | LC |
| Orconectes hartfieldi | Yazoo Crayfish | 15441 | VU |
| Orconectes hathawayi ssp. blacki | Calcasieu Crayfish | 15438 | VU |
| Orconectes holti | Bimaculate Crayfish | 15442 | DD |
| Orconectes inermis ssp. testii | Unarmed Crayfish | 15444 | VU |
| Orconectes meeki ssp. brevis | Meek's Short Pointed Crayfish | 15445 | VU |
| Orconectes packardi | Cave Crayfish | 15443 | EN |
| Stygobromus reddelli | Reddell's Cave Amphipod | 21007 | VU |
| Stygobromus spinatus | Spring Cave Amphipod | 21009 | VU |
| Procambarus raneyi | Disjunct Crayfish | 153824 | DD |
| Pacifastacus fortis | Placid Crayfish | 15866 | CR |
| Pacifastacus nigrescens | Sooty Crayfish | 15867 | EX |
| Palaemonetes antrorum | Balcones Cave Shrimp | 15885 | EN |
| Palaemonetes cummingi | Squirrel Chimney Cave Shrimp | 15886 | CR |
| Palaemonias alabamae | Alabama Cave Shrimp | 15887 | EN |
| Palaemonias ganteri | Kentucky Cave Shrimp | 15888 | VU |
| Gammarus acherondytes | Illinois Cave Amphipod | 40743 | EN |
| Parapinnixa affinis | California Bay Pea Crab | 16185 | EN |
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Species are classified by the IUCN Red List into nine groups: