Kingdom Animalia
Linnaeus, 1758 · Animals

Species in this portal

2964

Ecological class

928 troglobionts, 591 trogloxenes, 529 stygobionts, 421 troglophiles, 251 accidentals, 151 stygoxenes and 93 stygophiles

Realm

Aquatic, Terrestrial

Continent

North America

Countries

Canada, Mexico, United States

States and provinces

51 states and provinces

Counties

1135

Karst regions

Appalachians, Black Hills, Driftless Area, Edwards Plateau and Balcones, Florida Lime Sinks, Guadalupe Mountains, Hawaii, Interior Low Plateau, Mother Lode, Other, Ozarks

Habitats

Cave pool, Cave lake, Cave stream, Hypotelminorheic seepage, Sump or flooded passage, Phreatic groundwater

Cave zone

Deep cave

Conservation

981 of 2240 ranked G1 or G2; 46 federally listed

Phyla

• Acanthocephala 2 in portal
• Annelida 81 in portal
• Arthropoda 2407 in portal
• Chordata 266 in portal
• Cnidaria 1 in portal
• Mollusca 164 in portal
• Nematoda 1 in portal
• Nematomorpha 1 in portal
• Nemertea 1 in portal
• Platyhelminthes 39 in portal
• Porifera 1 in portal

Species in this portal

• Abacion lactarium G5 GA, TN
• Abacion magnum G5 AL, GA, VA
• Acanthocyclops brevispinosus IL
• Acanthocyclops einslei IL, IN
• Acanthocyclops exilis KY, TN
• Acanthocyclops parasensitivus G2 IN, KY, TN
• Acanthocyclops robustus Robusthops GA, IL, IN, KY, TN
• Acanthocyclops venustoides IL, IN
• Acanthocyclops vernalis Survannshops GA, IA, IL, IN, KY, NM, TN, TX
• Achemenides pectinatus G3 IA, IL, MN, WI
• Aclodes nicuesa
• Acris blanchardi Blanchard's Cricket Frog G5 OK
• Acris crepitans Northern Cricket Frog G4 KY
• Acris gryllus Southern Cricket Frog G5 FL
• Acroneuria abnormis Common Stone G5
• Acrotrichis lucidula G2 TN
• Actia diffidens GNR
• Adelocosa anops Kauai Cave Wolf Spider G1G2 HI
• Aedes abserratus Serrated Mosquito G5
• Aedes aurifer Golden Bog Mosquito GNR
• Aedes canadensis Woodland Pool Mosquito G5
• Aedes cinereus
• Aedes communis Snow Mosquito G5
• Aedes fitchii G5
• Aedes provocans Provoking Mosquito G5
• Aedes punctor Moustique Pointu Provocateur Canadien G5
• Aedes sticticus Floodwater Mosquito G5
• Aedes stimulans Woodland Mosquito G5
• Aedes triseriatus Eastern Treehole Mosquito G5 TN
• Aedes vexans Vexans Mosquito G5
• Agastoschizomus texanus TX
• Agelenopsis pennsylvanica Pennsylvania Grass Spider GNR IL
• Agkistrodon conanti Green-Tailed Moccasin G5 FL
• Agkistrodon contortrix Copperhead G5 AR, KY, TN
• Agonum extensicolle Extensive Harp Ground Beetle G5 AL, MO
• Agonum punctiforme Punctiform Harp Ground Beetle GNR AL, IN
• Agyneta gagnei G1G2 HI
• Agyneta hedini CO, NM
• Agyneta unimaculata GNR IL
• Alabamocreagris mortis Alabama pseudoscorpion G1G2 AL
• Alabamocreagris pecki G1G2 AL
• Albiorix anophthalmus G1G2 AZ
• Alectorobius concanensis OK
• Alectorobius kelleyi GA
• Aleochara castaneimarmotae GNR AR, IL, KY, MO, TN
• Aleochara castaneipennis G5 AL
• Aleochara fumata Rove Beetle GNR AL, TN
• Aleochara lucifuga GNR AL, IA, IL, IN, KY, TN
• Aleochara ocularis GNR IA
• Alligator mississippiensis Louisiana Alligator G5 FL
• Allocosa funerea GNR TN
• Allocosa sublata GNR AL
• Allocrangonyx hubrichti Hubricht's Long-tailed Cave Amphipod G3G4 AR, MO
• Allocrangonyx pellucidus Oklahoma Cave Amphipod G2G3 MO, OK
• Allolobophora chlorotica Green Worm VA
• Allomideopsis wichitaensis TX
• Allotexiweckelia hirsuta G2G3 TX
• Almuerzothyas comalensis GNR TX
• Alocodesmus angustatus
• Aloconota diversiseta G1 TN
• Aloconota insecta Staph Beetle GNR AL, IL, TN
• Aloconota neospelea GNR AL
• Aloconota sulcifrons Sulcate-Faced Minute Rove Beetle GNR TN
• Alucita huebneri
• Amara musculis G5 AL, KY
• Ambloplites rupestris Rock Bass G5 KY
• Amblyopsis hoosieri Hoosier Cavefish G2 IN
• Amblyopsis spelaea Northern Cavefish G2G3 KY
• Ambystoma maculatum Spotted Salamander G5 AL, AR, OH
• Ambystoma opacum Marbled Salamander G4 FL, OH
• Ambystoma tigrinum Eastern Tiger Salamander G5 FL, GA, IL
• Ameiurus catus White Catfish G5 FL
• Ameiurus melas Black Bullhead G5 AL, IL
• Ameiurus natalis Yellow Bullhead G5 AL, FL, KY
• Ameiurus nebulosus Brown Bullhead G5 FL, GA
• Ameractis satis G2G4 AL, GA, TN, VA
• Americina adusta GNR
• Americocreagris columbiana G2G3 OR, WA
• Amerigoniscus centralis G1G2 OK
• Amerigoniscus curvatus G1 GA
• Amerigoniscus georgiensis G1 GA
• Amerigoniscus gipsocolus G1G2 NM, TX
• Amerigoniscus henroti Powell Valley Terrestrial Cave Isopod G3 VA
• Amerigoniscus malheurensis G1 OR
• Amerigoniscus nicholasi G1G2 GA, TN
• Amerigoniscus proximus G1G2 GA
• Amerizus wingatei G5 IA, IL, KY, WI
• Ameroduvalius jeanneli G3 KY
• Amnestus subferrugineus
• Amnicola cora Foushee Cavesnail G1 AR, AZ
• Amnicola stygius Stygian cavesnail G1 MO
• Amoebaleria defessa GNR AL, AR, GA, IL, IN, KY, MO, TN, WI
• Amphasia interstitialis Red-Headed Ground Beetle G5 IL
• Amphibiocapillaria texensis TX
• Amplaria flucticulus CA
• Amplaria shastae G1G2 CA
• Amynthas diffringens Japanese Jumper GNR AL
• Amynthas minimus GA
• Anachemmis jungi CA
• Anahita punctulata Southeastern Wandering Spider G4 AL, GA, TN
• Anargyrtes annulata Grillo De Cueva
• Anasaitis canosus Twin-Flagged Jumping Spider AL
• Anaxyrus americanus American Toad G5 AL, IL, KY, TN
• Anaxyrus fowleri Fowler's Toad G5 GA, KY
• Anaxyrus terrestris Southern Toad G5 FL, GA
• Andrognathus corticarius Cope's Noodle Millipede G5 GA
• Aneides aeneus Green Salamander G3 AL, GA, TN
• Anevrina olympiae GNR IA
• Anguilla rostrata American Eel G4 FL, GA
• Anguispira alternata AL, FL, TN
• Anguispira mordax Appalachian Tigersnail G4 KY, TN
• Anillaspis explanata CA
• Anillinus actuipennis TX
• Anillinus bexarensis TX
• Anillinus cavicola AL
• Anillinus clinei AL
• Anillinus folkertsioides AL
• Anillinus forthoodensis TX
• Anillinus hildebrandti AL
• Anillinus longiceps TN
• Anillinus reddelli TX
• Anillinus smokiensis TN
• Anillinus tombarri AL
• Anillinus valentinei G3G4 AL
• Anillinus wisemanensis TX
• Anisodactylus opaculus MO
• Anisolabis howarthi G1G2 HI
• Aniulus nigrans TN
• Ankyrodrilus legaeus TN
• Anolis carolinensis Carolina Anole G5 FL, TN
• Anopheles earlei G5
• Anopheles punctipennis Woodland Malaria Mosquito G5 GA, IL, IN, KY, TN
• Anopheles quadrimaculatus Common Malaria Mosquito G5 IL, IN
• Anotylus exiguus Rove Beetle AL, IA
• Anotylus tetracarinatus Rove Beetle GNR AL
• Anthicus cervinus Cloudy Flower Beetle G5 WI
• Anthrobia coylei G2 KY, TN, VA, WV
• Anthrobia monmouthia Mammoth Cave Spider G5 AL, KY, TN, VA
• Anticarsia gemmatalis Velvetbean Caterpillar G5 AL
• Antrobia culveri Tumbling Creek cavesnail G1 MO
• Antrodiaetus unicolor GNR AL, GA, TN
• Antrolana lira G2G4 VA, WV
• Antrorbis breweri Manitou cavesnail G1 AL
• Antrorbis tennesseensis Tennessee Cavesnail GNR TN
• Antroselates spiralis Shaggy cavesnail G3 IN, KY
• Antroxestoblatta immaculata
• Anurida tullbergi IA
• Anyphaena celer GNR AL
• Aphaenogaster tennesseensis Tennessee Collared Ant G5 KY
• Apheloria corrugata KY
• Apheloria montana G5 TN
• Apheloria virginiensis Black-And-Gold Flat Millipede G5 KY
• Aphrastochthonius grubbsi Grubb's Cave Pseudoscorpion G1 CA
• Aphrastochthonius pachysetus G1G2 NM
• Aphrastochthonius pecki G1 AL
• Aphrastochthonius similis Carlow's Cave Pseudoscorpion G1 CA
• Aphrastochthonius tenax G1G2 AL
• Aphredoderus gibbosus FL
• Aplexa hypnorum Moss Bladder Snail
• Apocheiridium reddelli G1G2 TX
• Apochthonius coecus G1G2 VA
• Apochthonius colecampi G1G2 MO
• Apochthonius diabolus G1 AR
• Apochthonius forbesi G1G2 OR
• Apochthonius grubbsi G1G2 CA
• Apochthonius hobbsi Buckskin Cave Pseudoscorpion G1 OH
• Apochthonius holsingeri G1G2 VA
• Apochthonius indianensis Indiana Cave Pseudoscorpion G1 IN
• Apochthonius malheuri Malheur Pseudoscorpion G1G2 OR
• Apochthonius minor G1 GA, TN
• Apochthonius moestus GNR KY
• Apochthonius mysterius Mystery Cave Pseudoscorpion G1G2 MO
• Apochthonius paucispinosus Dry Fork Valley Cave Pseudoscorpion G1 WV
• Apochthonius russelli Russell Cave Pseudoscorpion G1 AL
• Apochthonius titanicus G2 AR
• Apochthonius typhlus Stone County Cave Pseudoscorpion G1G2 MO
• Aporrectodea longa Deep-Burrowing Longworm GNR AL
• Aporrectodea rosea Pink Soilworm GNR KY, VA
• Aporrectodea trapezoides AL, GA, IL, KY, TN, WV
• Aporrectodea tuberculata IA, MN
• Aporrectodea turgida VA
• Appaleptoneta barrowsi G1 AL
• Appaleptoneta credula G1 AL
• Appaleptoneta fiskei GNR GA
• Appaleptoneta jonesi G1 AL
• Aquarius conformis GNR OK
• Aquarius remigis North American Common Water Strider GNR AR, IL, MO, OK
• Araneus cavaticus Barn Orbweaver GNR AL, KY
• Araneus diadematus Cross Orbweaver GNR
• Araneus marmoreus Marbled Orbweaver G5 TN
• Arcteonais lomondi Aquatic Oligochaete Worm GNR GA
• Arenophilus bipuncticeps Northern Short-Clawed Centipede GNR GA
• Argyrodes nephilae AL
• Arianops cavernensis GNR AL
• Arianops gorei TN
• Arianops jeanneli G1 VA
• Arianops pecki TN
• Arianops steevesi GNR AL
• Arianops stygica G1 TN
• Arion fasciatus Banded Slug G5
• Armadillidium nasatum Nosy Pill Woodlouse GNR AR, IL, KY, OK, TN
• Armadillidium vulgare Common Pill Woodlouse GNR AL, AR, GA, IL, MO, TN
• Arrhopalites benitus IA
• Arrhopalites caecus IA, TN
• Artesia subterranea G1G2 TX
• Artesia welbourni G1G2 TX
• Atheta alabama GNR AL
• Atheta annexa G5 AL, FL, GA, IA, TN
• Atheta klagesi G5 GA
• Atheta lucifuga G4 AL, FL, GA, TN
• Atheta troglophila G4 AL, FL, GA, IA, OK, TN
• Atranus pubescens GNR AL, AR, GA, IL, IN, KY, MO, TN
• Attagenus brunneus GNR IA
• Attheyella illinoisensis GA, IN, TN
• Attheyella nordenskioldii IL, IN
• Attheyella pilosa GA
• Australinocreagris grahami G1G2 CA
• Austrotyla awishoshola NM
• Austrotyla coloradensis CO
• Austrotyla montivaga NM
• Austrotyla specus IL, MO
• Austrotyla stephensoni CO
• Axonopsella bakeri FL, TX
• Azilia affinis Longjawed Orb Weavers AL, FL
• Bactrurus angulus Cumberland Gap Cave Amphipod G1 TN, VA
• Bactrurus brachycaudus G4 IL, MO
• Bactrurus cellulanus GX IN
• Bactrurus hubrichti Kansas Well Amphipod G4 KS, MO, OK, VA
• Bactrurus mucronatus G5 AR, IA, IL, IN, MI, MO, OH
• Bactrurus pseudomucronatus False Sword-tailed Cave Amphipod G2G3 AR, MO
• Bactrurus speleopolis Cave City Cave Amphipod G1 AR
• Bactrurus wilsoni G1G2 AL
• Balantiopteryx plicata Gray Sac-Winged Bat
• Balconorbis coronae TX
• Balconorbis uvaldensis Balcones ghostsnail G1G2 TX
• Banksula californica Alabaster Cave Harvestman GH CA
• Banksula galilei Galile's Cave Harvestman G1 CA
• Banksula grahami G2G3 CA
• Banksula grubbsi Grubbs' Cave Harvestman G1 CA
• Banksula martinorum Martins' Cave Harvestman G1 CA
• Banksula melones Melones Cave Harvestman G1 CA
• Banksula rudolphi Rudolph's Cave Harvestman G1 CA
• Banksula tuolumne Tuolumne Cave Harvestman G2 CA
• Banksula tutankhamen King Tut Cave Harvestman G1 CA
• Basacallis tarachodes GNR FL
• Basilia boardmani G3 FL
• Bathynella fraterna CA
• Bathynella germanitas CA
• Bathynella riparia CO
• Bathyphantes alboventris Notch-Tipped Shield Sheetweaver GNR IL, TN
• Bathyphantes nigrinus Donker Wevertje GNR IN
• Bathyphantes pallidus Pale Sheetweb Weaver G5 GA, IL, MO, TN
• Bathyphantes reprobus Reprobus Sheetweb Weaver GNR
• Bathyphantes weyeri Wide Shield Sheetweaver G4 AR, CO, IN, KY, ME, OH, ON, PA, QC, VA, WI, WV
• Batriasymmodes greeveri G1G2 TN
• Batriasymmodes monstrosus VA
• Batriasymmodes parki GH WV
• Batriasymmodes quisnamus G3 KY, TN
• Batriasymmodes spelaeus G3G4 AL, GA, TN
• Batriasymmodes troglodytes G1G2 AL
• Batrisodes barri G1G2 TN
• Batrisodes cavernosus G1 AL
• Batrisodes clypeospecus G1G2 TN
• Batrisodes cryptotexanus Coffin Cave Mold Beetle G2 TX
• Batrisodes denticollis VA
• Batrisodes dentifrons G1G2 TX
• Batrisodes fanti G1G2 TX
• Batrisodes feminiclypeus G1G2 TX
• Batrisodes ferulifer G1 TN
• Batrisodes gemmoides G1 TN
• Batrisodes gemmus G1 TN
• Batrisodes gravesi G3 TX
• Batrisodes grubbsi G1G2 TX
• Batrisodes henroti G2G3 KY
• Batrisodes hubrichti G1 KY
• Batrisodes incispes G1 TX
• Batrisodes jocuvestus G1 AL
• Batrisodes jonesi G2G3 AL
• Batrisodes krekeleri IN
• Batrisodes lineaticollis G5 AL, GA, TN
• Batrisodes pannosus G1 TN
• Batrisodes pekinsi G1 TX
• Batrisodes profundus G1G2 AL
• Batrisodes reyesi G2G3 TX
• Batrisodes rossi GNR IL
• Batrisodes schmitti TN
• Batrisodes shadeae G1 TX
• Batrisodes specus G3G4 AL, TN, TX
• Batrisodes subterraneus G1 AL
• Batrisodes texanus Inner Space Cavern Mold Beetle G1G2 TX
• Batrisodes tumoris G1 AL
• Batrisodes valentinei G2G4 AL, TN
• Batrisodes venyivi Helotes Cave Mold Beetle G1 TX
• Batrisodes wartoni G1G2 TX
• Bdellodrilus illuminatus TN, WV
• Belba bulbipedata G1 KY
• Bembidion affine GNR AL
• Bembidion lacunarium Greenbrier Riverbank Ground Beetle GNR AL, GA, IA, IL, KY, TN
• Bembidion nigripes G5 AL
• Bembidion texanum Simple Riverbank Ground Beetle GNR IL, MO, OK
• Bertkauia crosbyana AL
• Bibio xanthopus Yellow-Footed March Fly GNR
• Bicornucandona fineganensis GNR TX
• Bimastos heimburgeri GNR IL
• Bimastos longicinctus IL
• Bimastos rubidus Gilt-Tail GNR AL, GA, IA, IL, KY, MO, NC, TN, VA
• Bimastos tumidus AL, GA, MO, TN, VA
• Bimastos zeteki GA, TN
• Bishopella jonesi G1 AL
• Bishopella laciniosa Bishop's Harvestman AL, FL, GA, TN
• Bishopella marianna FL
• Bittacomorpha clavipes Phantom Crane Fly GNR
• Blaberus giganteus Caribbean Giant Cockroach
• Blackburnia aaae G1G2 HI
• Blackburnia howarthi G1G2 HI
• Blancosoma scaturgo G1G2 CO
• Blaniulus guttulatus Snake Millepede G5 GA
• Blarina brevicauda AL, KY
• Blarina carolinensis Southern Short-Tailed Shrew G5 AR, FL
• Bleptina caradrinalis Bent-Winged Owlet G5 AL
• Boisea trivittata Boxelder Bug GNR IL
• Bolitophila cinerea GNR
• Bolitophila hybrida GNR IN
• Bolitophila perlata GNR
• Bos taurus Taurine Cattle G5 KY
• Bosmina longirostris Common Long-Nosed Waterflea GNR KY, TN
• Bowmanasellus sequoiae Sequoia Cave Isopod G2 CA
• Brachinus fumans American Bombardier Beetle GNR MO
• Brachycybe lecontii G5 AR
• Brachycybe petasata TN
• Brachycybe producta CA
• Brachydesmus superus Compact Flat-Backed Millipede PA, VA
• Brackenridgia ashleyi Ashley's Terrestrial Cave Isopod G1G3 AR, MO
• Brackenridgia cavernarum G3G4 NM, TX
• Brackenridgia reddelli G2G3 TX
• Bradycellus rupestris Rock-Dwelling Harp Ground Beetle G5 AL
• Bradysia forficulata GNR GA
• Brathinus nitidus G4 AL, KY, TN
• Bremia caricis
• Bryocamptus morrisoni Morrison's Cave Copepod G3G4 IN, KY, MD
• Bryocamptus newyorkensis TN
• Bryocamptus nivalis IN
• Caconemobius albus HI
• Caconemobius howarthi Howarth's Cave Cricket G1G2 HI
• Caconemobius paralbus HI
• Caconemobius uuku HI
• Caconemobius varius Kuamana Cave Cricket G1G2 HI
• Caecidotea acuticarpa G2G3 KS, OK
• Caecidotea adenta G1G2 OK
• Caecidotea alabamensis G3G4 AL, IL, IN, KY, TN
• Caecidotea alleghenyensis Allegheny Spring Isopod G1G2 MD
• Caecidotea ancyla G3G4 AR, MO, OK
• Caecidotea antricola G5 AR, IL, KY, MO, OH, OK
• Caecidotea barri Clifton Cave Isopod G1 KY
• Caecidotea beattyi Beatty's Groundwater Isopod G3G4 IL, IN, MO
• Caecidotea bicrenata Two-toothed Cave Isopod G5 AL, IL, KY, TN
• Caecidotea bilineata G2G3 TX
• Caecidotea cannula Cannulate Cave Isopod G1 WV
• Caecidotea carolinensis Bennett's Mill Cave Isopod G2G3 NC, SC
• Caecidotea catachaetus AL, GA, TN
• Caecidotea circulus G1G2 TN
• Caecidotea cumberlandensis Cumberland Gap Cave Isopod G1G2 VA
• Caecidotea cyrtorhynchus G1 GA
• Caecidotea dauphina AL
• Caecidotea dimorpha G2G3 AR, IN, MO
• Caecidotea dunlaporum Dunlap's Groundwater Isopod GNR IN
• Caecidotea extensolinguala MO
• Caecidotea filicispeluncae Fern Cave Isopod G1 OH
• Caecidotea fisherorum GNR VA
• Caecidotea fonticulus GNR AR
• Caecidotea franzi Franz's Cave Isopod G2G4 KY, MD, PA, WV
• Caecidotea fustis Fustis Cave Isopod G3 MO
• Caecidotea hobbsi Florida Cave Isopod G1G2 FL, GA, VA
• Caecidotea insula Kindt's Cave Isopod G1 OH
• Caecidotea jordani Jordan's Cave Isopod G2G3 IN
• Caecidotea kendeighi Kendeigh's Groundwater Isopod G5 IA, IL, IN, MO, OH
• Caecidotea lesliei G1G2 IL, MO
• Caecidotea mackini GNR OK
• Caecidotea macropropoda Bat Cave Isopod G3 AR, OK
• Caecidotea metcalfi G1G2 KS
• Caecidotea nickajackensis Nickajack Cave Isopod G1 AL, AR, GA, KY, MO, TN, VA
• Caecidotea nordeni Norden's Groundwater Isopod GH MD
• Caecidotea nortoni Norton's Cave Isopod G2G3 TN
• Caecidotea ornatus G1 VA
• Caecidotea packardi G2G4 IL, KY, MO
• Caecidotea paurotrigona G1G2 LA, MS
• Caecidotea putea American Waterslaters G1G3 FL, GA
• Caecidotea recurvata Southwest Virginia Cave Isopod G5 TN, VA
• Caecidotea reddelli G3G4 TX
• Caecidotea richardsonae Tennessee Valley Cave Isopod G5 AL, GA, TN, VA
• Caecidotea rotunda Frost Cave Isopod G2G4 IN, OH
• Caecidotea salemensis Salem Cave Isopod G4 AR, MO
• Caecidotea scyphus G1G2 TN, WV
• Caecidotea serrata Serrated Cave Isopod G1G2 MO
• Caecidotea simonini G1 WV
• Caecidotea simulator G2G3 AR, KS, OK
• Caecidotea sinuncus G1 WV
• Caecidotea spatulata G3G4 IL, MO, VA
• Caecidotea steevesi Steeves' Cave Isopod G3G4 AR, KS, MO, OK
• Caecidotea stiladactyla Slender-fingered Cave Isopod G3G4 AR, MO, OK
• Caecidotea stygia Stygian Cave Isopod G5 IL, IN, KY, MO, MS, OH, TN, VA
• Caecidotea teresae GX IN
• Caecidotea tridentata G1G2 AR, IL, KS, MO, OK
• Calasellus californicus G2 CA, OR
• Calasellus longus G1 CA
• Calathaemon holthuisi Purgatory Cave Shrimp G1G2 TX
• Calathus opaculus GNR KY
• Calicina cloughensis Clough Cave Harvestman G1 CA
• Califobathynella noodti CA
• Califobathynella teucherti CA
• Californibathynella californica CA
• Calileptoneta briggsi Briggs' Cave Spider G1 CA
• Callinectes sapidus American Blue Crab GNR FL
• Calliphora terraenovae NM
• Calliphora vicina GA, IL
• Calliphora vomitoria Orange-Bearded Bluebottle GNR GA, IN
• Callobius bennetti Bennett's Laceweaver G5 IN
• Caloptilia alnivorella Alder Leafminer GNR
• Calymmaria persica GNR AL, GA, IL, KY, TN, VA
• Calymmaria virginica G1 TN
• Cambala annulata Violet Ridged Millipede G5 AL, FL, GA, IN, KY, TN
• Cambala hubrichti G5 GA, NC, TN
• Cambala minor Amber Ridged Millipede G5 AL, AR, GA, IL, IN, KY, MO, OK, TN, VA, WV
• Cambala ochra AL, GA
• Cambala reddelli NM, TX
• Cambala speobia G4 Mexico, TX
• Cambarincola alienus G1G2 KY, TN
• Cambarincola demissus WV
• Cambarincola dubius G1G2 IN
• Cambarincola fallax GNR TN, WV
• Cambarincola heterognathus WV
• Cambarincola holostomus TN
• Cambarincola leoni G3 FL
• Cambarincola leptadenus G1 TN
• Cambarincola manni FL
• Cambarincola marthae G1G2 TN
• Cambarincola philadelphicus FL, IN, KY, TN, VA, WV
• Cambarincola sheltensis G1G2 AL
• Cambarincola steevesi G3 KY
• Cambarincola susanae
• Cambarincola vitrea FL
• Cambarus aculabrum Benton County Cave Crayfish G1 AR, MO
• Cambarus bartonii Appalachian Brook Crayfish G5 GA, IN, KY, TN, VA, WV
• Cambarus cryptodytes Dougherty Plain Cave Crayfish G2G3 FL, GA
• Cambarus hamulatus Prickly Cave Crayfish G3G4 AL, KY, TN
• Cambarus hubbsi Hubbs' Crayfish G3
• Cambarus hubrichti Salem Cave Crayfish G4 MO
• Cambarus jonesi Alabama Cave Crayfish G2 AL
• Cambarus laconensis Lacon Exit Cave Crayfish G1 AL
• Cambarus latimanus Variable Crayfish G5 GA, TN
• Cambarus nerterius Greenbrier Cave Crayfish G1 WV
• Cambarus parvoculus Mountain Midget Crayfish G5 KY
• Cambarus pecki Phantom Cave Crayfish G1G2 AL
• Cambarus setosus Bristly Cave Crayfish G3 AR, MO, OK
• Cambarus sheltae Shelta Cave Crayfish G1 AL
• Cambarus speleocoopi Sweet Home Alabama Cave Crayfish G1 AL
• Cambarus striatus Ambiguous Crayfish G5 AL, GA, TN
• Cambarus subterraneus Delaware County Cave Crayfish G1 KY, OK
• Cambarus tartarus Oklahoma Cave Crayfish G1 OK
• Cambarus tenebrosus Cavespring Crayfish G5 AL, GA, IL, IN, KY, TN
• Cambarus veitchorum White Spring Cave Crayfish G1 AL
• Cambarus zophonastes Hell Creek Cave Crayfish G1 AR
• Camponotus sayi Say's Carpenter Ant GNR AR
• Campostoma anomalum Central Stoneroller G5 KY
• Campostoma oligolepis Largescale Stoneroller G5 AL, KY
• Canis dirus Dire Wolf
• Canis familiaris Domestic Dog GNA AL
• Canis latrans Coyote G5 KY, OK
• Canis rufus Red Wolf G1 AL
• Canthon imitator NM
• Carcinophora americana
• Carebara urichi
• Carnarimelita janstocki HI
• Carphophis amoenus Common Wormsnake G5 AL, GA
• Cartodere constricta Plaster Beetle GNR IA
• Carychium clappi Appalachian Thorn G5 AL
• Carychium exile Ice Thorn G5 AL, IL, KY, TN
• Carychium mexicanum Southern Thorn G5 AL, IL
• Carychium nannodes File Thorn G5 IL, TN
• Carychium riparium Floodplain Thorn G2 IL
• Carychium stygium Cave thorn G3 AL, KY, TN
• Castor canadensis American Beaver G5 AL, FL, GA, IL, TN
• Cathartes aura Turkey Vulture G5 GA, IL, TN
• Catopocerus alabamae GNR AL
• Catopocerus appalachianus GNR AL, TN
• Catopocerus jonesi GNR AL
• Catops gratiosus G5 AL, GA, IA, IL, IN, KY, MA, MD, NY, OH, PA, TN, VA, WV
• Catostomus commersonii White Sucker G5 AL, KY, TN
• Cauloxenus stygius Northern Cavefish Copepod G1G2 IN, KY
• Causeyella causeyae AR
• Causeyella dendropus Causeyella Cave Millipede G3 AR, MO
• Causeyella youngsteadtorum AR
• Cavaticovelia aaa G1G2 HI
• Cavernicola pilosa Barbeiro
• Cemophora coccinea Scarlet Snake G5 GA
• Centromerus cornupalpis Eastern Spurred Sheetweaver GNR AL, IL
• Centromerus denticulatus GNR AL, GA
• Centromerus latidens G5 AL, FL, GA, IL, KY, MO, TN
• Centromerus tennapex TN
• Ceraticelus fissiceps G5 AL
• Ceraticelus minutus G5
• Ceratophysella boletivora Springtail GNR IL
• Ceratophysella brevis GNR IL
• Ceratophysella denticulata IA, IL, TN
• Ceratophysella engadinensis IL
• Ceratophysella lucifuga Wyandotte Cave Springtail GNR IL, IN
• Ceratozetes gracilis GNR IA, KY
• Cerobasis guestfalica Book Lice KY
• Ceuthophilus brevipes Short-Legged Camel Cricket G5
• Ceuthophilus carlsbadensis NM, TX
• Ceuthophilus conicaudus NM
• Ceuthophilus elegans IL, MO, WI
• Ceuthophilus ensifer AL, GA, TN
• Ceuthophilus gracilipes Slender-Legged Camel Cricket GNR AL, FL, GA, IL, TN
• Ceuthophilus isletae NM
• Ceuthophilus latens Black-Sided Camel Cricket GNR AL, VA
• Ceuthophilus latibuli FL
• Ceuthophilus longipes GNR NM
• Ceuthophilus maculatus Spotted Camel Cricket G5
• Ceuthophilus pallidipes KY
• Ceuthophilus palmeri
• Ceuthophilus seclusus GNR IL
• Ceuthophilus stygius Cave Camel Cricket GNR AL, IN, KY, TN
• Ceuthophilus virgatipes FL
• Ceuthophilus williamsoni GNR IL
• Chaetaspis aleyorum Aley's Cave Milliped G1 MO
• Chaetaspis attenuatus AR
• Chaetaspis debilis TN
• Chaetaspis fragilis GNR KY
• Chaetaspis mollis G1 AL, TN
• Chaetogaster diaphanus Aquatic Oligochaete Worm GNR SC
• Chaoborus albatus GNR
• Chauliodes pectinicornis Summer Fishfly GNR
• Cheiracanthium inclusum Yellow Sac Spider GNR AL
• Cheiridium reyesi G1G2 TX
• Chelydra serpentina North American Snapping Turtle G4 FL, KY
• Cherokia georgiana G4 GA
• Cheumatopsyche minuscula G5
• Chinquipellobunus madlae G4 TX
• Chinquipellobunus russelli G2G3 TX
• Chionea scita GNR KY
• Chironomus decorus GNR GA
• Chironomus plumosus Chironome Plumosus
• Chiroptonyssus robustipes NM, TX
• Chitrella archeri G1G2 TN
• Chitrella cavicola G3
• Chitrella elliotti G1G2 TX
• Chitrella major G1G2 TX
• Chitrella regina Royal Syarinid Pseudoscorpion G1 WV
• Chitrella superba G1 VA
• Chitrella welbourni G1G2 NM
• Chitrellina chiricahuae G1G2 AZ
• Chlaenius aestivus Summer Harp Ground Beetle GNR IL
• Chlamydotheca texasiensis TX
• Choctella cumminsi TN
• Chrosomus erythrogaster Southern Redbelly Dace G5 AL
• Chrysops univittatus One-Striped Deer Fly G5 TN
• Chthonius cryptus
• Chthonius paludis GA, TN
• Cicurina arcata G5 IL
• Cicurina arcuata G5 GA, IL, TN
• Cicurina bandera G2G3 TX
• Cicurina bandida Bandit Cave Meshweaver G2 TX
• Cicurina baronia Robber Baron Cave Meshweaver G1 TX
• Cicurina barri G1G2 TX
• Cicurina breviaria AL, TN
• Cicurina brevis Small-Eared Meshweaver G5 IL
• Cicurina browni G1G2 TX
• Cicurina brunsi TX
• Cicurina bullis TX
• Cicurina buwata G1G2 TX
• Cicurina caliga GNR TX
• Cicurina cavealis GNR IL
• Cicurina caverna G1G2 TX
• Cicurina coryelli G1G2 TX
• Cicurina delrio TX
• Cicurina ezelli G1G2 TX
• Cicurina gruta G1G2 TX
• Cicurina holsingeri G1G2 TX
• Cicurina hoodensis GNR TX
• Cicurina joya TX
• Cicurina loftini TX
• Cicurina machete G1G2 TX
• Cicurina madla Madla Cave Meshweaver G1 TX
• Cicurina mckenziei G1G2 TX
• Cicurina medina G1G2 TX
• Cicurina menardia G1G2 TX
• Cicurina minima GNR AL
• Cicurina mirifica TX
• Cicurina mixmaster GNR TX
• Cicurina neovespera TX
• Cicurina obscura G1G2 TX
• Cicurina orellia G1G2 TX
• Cicurina pablo G1G2 TX
• Cicurina pallida GNR GA, IL, IN, KY
• Cicurina pastura G1G2 TX
• Cicurina patei G1G2 TX
• Cicurina placida GNR TN
• Cicurina platypus TX
• Cicurina porteri G1G2 TX
• Cicurina puentecilla G1G2 TX
• Cicurina rainesi G1G2 TX
• Cicurina reclusa G1G2 TX
• Cicurina reddelli G1G2 TX
• Cicurina russelli G1G2 TX
• Cicurina sansaba G1G2 TX
• Cicurina selecta G1G2 TX
• Cicurina serena G1G2 TX
• Cicurina sheari G1G2 TX
• Cicurina sprousei G1G2 TX
• Cicurina stowersi G1G2 TX
• Cicurina suttoni G1G2 TX
• Cicurina travisae G1G2 TX
• Cicurina troglobia GNR TX
• Cicurina ubicki G1G2 TX
• Cicurina uvalde G1G2 TX
• Cicurina varians GNR NM
• Cicurina venefica G1G2 TX
• Cicurina vespera Government Canyon Bat Cave Meshweaver G1 TX
• Cicurina vibora G1G2 TX
• Cicurina wartoni Warton Cave Meshweaver G1 TX
• Cicurina watersi G1G2 TX
• Cicurina wiltoni G1 AL
• Cirolanides texensis G4 Mexico, TX
• Cirolanides wassenichae TX
• Cladura flavoferruginea GNR IN
• Cleidogona baroqua
• Cleidogona crucis
• Cleidogona crystallina
• Cleidogona hoffmani G3 VA
• Cleidogona mayapec
• Cleidogona pecki
• Cleidogona unita IL
• Clethrionomys gapperi
• Climacia areolaris GNR
• Coecobrya kukae G1G2 HI
• Coecobrya lua G1G2 HI
• Coecobrya nupa G1G2 HI
• Coecobrya tenebricosa GNR AL, IL
• Coloradesmus aquiliensis G1G2 CO
• Coloradesmus beckleyi CO
• Coloradesmus hopkinsae CO
• Coloradesmus manitou CO
• Coloradesmus warneri CO
• Coluber constrictor North American Racer G5 FL
• Columba livia Common Pigeon AR, IL
• Columbasellus acheron WA
• Colusa illecta AL
• Comalcandona gibsoni Gibson's Groundwater Ostracod TX
• Comalcandona mixoni TX
• Comalcandona tressleri TX
• Comaldessus stygius Comal Springs Diving Beetle G1 TX
• Conasellus burkensis GNR VA
• Conasellus communis Eastern Waterslater NY
• Conasellus forbesi Forbes' Waterslater TN
• Conasellus jeffersoni VA
• Conasellus kenki G3 DC, MD, PA, VA
• Conasellus phreaticus G2G3 VA
• Conasellus pricei Price's Cave Isopod G5 MD, PA, VA, WV
• Conasellus washingtoni DC
• Condeicampa langei GNR TN
• Conicera similis AL
• Conosoma velocipes
• Conotyla blakei G4 MD, PA
• Conotyla bollmani Bollman's Cave Millipede G3 IN
• Conotyla vista GH WV
• Copestylum vesicularium Iridescent Bromeliad Fly G5 GA
• Coquillettidia perturbans Cattail Mosquito G5
• Coragyps atratus Black Vulture G5 AL, FL
• Coras juvenilis GNR GA, KY
• Coras lamellosus GNR AL, IL
• Coras taugynus TN
• Corbicula fluminea Asian Basket Clam G5 AL, FL
• Cordylophora caspia Ponto-Caspian Freshwater Hydroid GNR FL
• Corydalus cornutus Dobsonfly GNR GA
• Corynorhinus rafinesquii Eastern Big-Eared Bat G3 AL, AR, GA, IN, KY, NC, TN
• Corynorhinus townsendii Pacific Townsend's Big-Eared Bat G4 AR, KY, OK, PA
• Cottus bairdii Mottled Sculpin G5 AL, GA, KY, TN
• Cottus carolinae Banded Sculpin G5 AL, GA, IL, KY, OK, TN
• Cottus specus Grotto sculpin G2 MO
• Crangonyx anomalus Large Male Crangonyctid G4 IL, IN, OH
• Crangonyx antennatus Appalachian Valley crangonyctid G5 AL, GA, TN, VA
• Crangonyx baculispina Lancaster County Amphipod G1 VA
• Crangonyx barri Barr's Cave Amphipod G5 IN, KY
• Crangonyx bousfieldi G2 OH
• Crangonyx caecus G1 KY
• Crangonyx castellanum G1 KY
• Crangonyx consimilis G4 AL, GA, TN
• Crangonyx cooperi G2 AL
• Crangonyx dearolfi Pennsylvania Cave Amphipod G2 MD, PA
• Crangonyx floridanus Florida Crangonyctid G5 AL, FL, KY, MO, NC, PA, SC, TN
• Crangonyx forbesi Forbes Crangonyctid G5 IL, IN, KY, MO, OH, OK
• Crangonyx gracilis Northern Lake Crangonyctid G4 IN, KY, WV
• Crangonyx grandimanus Florida Cave Amphipod G2G3 FL
• Crangonyx hobbsi Hobb's Cave Amphipod G2G3 FL
• Crangonyx indianensis Indiana Cave Amphipod G3 IN
• Crangonyx insolitus G1 MO
• Crangonyx lewisi Lewis' Cave Amphipod G2 IN, KY
• Crangonyx longidactylus G2 KY
• Crangonyx manubrium Jackson County Cave Amphipod G1G2 FL
• Crangonyx minor Small Stream Crangonyctid G5 IL
• Crangonyx montanus G2 WV
• Crangonyx obliquus Oblique-Hand Crangonyctid G5 AR
• Crangonyx ohioensis Ohio Cave Amphipod G1G2 IN, KY, OH
• Crangonyx packardi Packard's Cave Amphipod G4 IL, IN, KS, KY, MO
• Crangonyx palustris G4 NC
• Crangonyx parhobbsi Florida Big Bend Cave Amphipod G1G2 FL, GA
• Crangonyx pseudogracilis Northern River Crangonyctid G5 KY
• Crangonyx richmondensis Alpine Lake Crangonyctid G5 AK, FL
• Crangonyx rivularis Ontario Stream Crangonyctid G5 KY
• Crangonyx setodactylus Hairy-Fingered Crangonyctid G5 OH
• Crangonyx shoemakeri Shoemaker Crangonyctid G5 IA, IL, IN, MI, OH, VA
• Crangonyx specus G1 KY
• Crangonyx sulphurium Sulphurous Cave Amphipod G1 FL
• Creaserinus fodiens Digger Crayfish G5 IL
• Creophilus maxillosus Hairy Rove Beetle GA
• Crosbycus goodnighti VA
• Crosbyella distincta G1G2 AR
• Crosbyella roeweri G1G2 AR
• Crosbyella spinturnix GNR AL, AR, FL, GA
• Crotalus adamanteus Eastern Diamond-Backed Rattlesnake G3 FL
• Crotalus horridus Timber Rattlesnake G4 TN
• Cryptachaea porteri Cobweb Spiders GNR AL, GA, IN, NM, TN
• Cryptachaea rupicola GNR AL, IL
• Cryptobranchus alleganiensis Hellbender G3 AL
• Cryptocreagris destica CO
• Cryptocreagris steinmanni CO
• Cryptophagus valens GNR IL
• Ctenophthalmus pseudagyrtes GNR AL, GA, TN
• Ctenus captiosus Florida False Wolf Spider FL
• Culex erraticus GNR TN
• Culex pipiens Northern House Mosquito G5 IL, IN, TN
• Culex restuans White-Dotted Mosquito G5 TN
• Culex territans Northern Frog-Biting Mosquito G5 GA
• Culicoides paraensis TN
• Culiseta impatiens Impatient Mosquito G5
• Cybaeopsis pantopla G3 TN
• Cybaeopsis tibialis GNR
• Cybaeus giganteus GNR KY, TN
• Cybaeus patritus TN
• Cyclocosmia truncata Ravine Trapdoor Spider GNR GA
• Cyclocypris sharpei GNR TN
• Cyclops cavernarum GNR TX
• Cyclops learii TX
• Cyclosa conica Cone-Shaped Orbweaver G5
• Cyclotrachelus fucatus GNR IL
• Cyclotrachelus sodalis Blue-Tinged Harp Ground Beetle GNR IL
• Cylindrodesmus hirsutus
• Cylindroiulus arborum IN
• Cylisticus convexus Curly Woodlouse G5 AL, GA, IL, IN, KY, TN, VA
• Cyllopsis gemma Gemmed Satyr G5 TN
• Cyphoderus inaequalis
• Cyphoderus similis
• Cypria lacrima GNR TX
• Cypridopsis vidua Cypris Veuve (La) GNR TX
• Cyprinella spiloptera Spotfin Shiner G5 AL, KY
• Cyprinodon diabolis Devil's Hole Pupfish G1 NV
• Cyprinus carpio Eurasian Carp G5 AL
• Cyrtodesmus archimedes
• Dactylocythere arcuata G1 AL
• Dactylocythere prionata G2 KY
• Dactylocythere steevesi G4 AL, KY, TN
• Dactylocythere ungulata KY, TN
• Dactylolabis hudsonica GNR
• Dactylolabis montana GNR MO
• Darlingtonea kentuckensis G3G4 KY, TN
• Darwinula stevensoni TX
• Dasycerus nikwasi GNR AL
• Dasypus novemcinctus Nine-Banded Armadillo G5 FL
• Dasyscias franzi Shaggy ghostsnail G1 FL
• Demogorgonichthys arcanus Demon Cavefish AL
• Dendrobaena octaedra Octagonal-Tail Worm GNR GA, NC, VA
• Dendrocoelopsis americana G3 AR, MD, MO, OK, TX
• Dendrocoelopsis hymanae Lake Tahoe planarian GNR CA, NV
• Dendronucleata americana TX
• Dermacentor variabilis American Dog Tick GA, IL
• Deroceras laeve Meadow Slug IL
• Deroceras reticulatum Gray Fieldslug
• Derops divalis GNR IL
• Desmognathus abditus Cumberland Dusky Salamander G2
• Desmognathus brimleyorum Ouachita Dusky Salamander G3
• Desmognathus conanti Spotted Dusky Salamander G4 AL, GA, TN
• Desmognathus fuscus Northern Dusky Salamander KY, OH
• Desmognathus gvnigeusgwotli Cherokee Blackbelly Salamander G3 TN
• Desmognathus monticola Seal Salamander G5 AL, KY
• Desmognathus ocoee Ocoee Salamander G4 AL, GA
• Desoria trispinata GNR IL, TN
• Desoria truncata GNR TN
• Desoria violacea GNR
• Deuteraphorura jana AL
• Diacyclops alabamensis AL
• Diacyclops bicuspidatus Damhops GNR IN, KY
• Diacyclops chrisae GA, IN, MD
• Diacyclops clandestinus IL, MO, TN
• Diacyclops conversus Blue River Groundwater Copepod G2 IN
• Diacyclops crassicaudis Kompakthops GNR IN
• Diacyclops indianensis Indiana Groundwater Copepod G2 IN, TN
• Diacyclops jeanneli G1G2 IN, NC
• Diacyclops lewisi Lewis' Groundwater Copepod G1 IN
• Diacyclops navus GNR IN
• Diacyclops nearcticus G3 IN, KY, TN
• Diacyclops nikolasarburni NM
• Diacyclops salisae Salisa's Groundwater Copepod G1 IN
• Diacyclops sororum GNR IN, KY
• Diacyclops yeatmani Yeatman's Groundwater Copepod G2G3 IL, IN, MO, OK, TN
• Diadophis punctatus Ring-Necked Snake G5 AL, AR, GA, KY
• Dichogaster affinis Earthworm
• Dichogaster bolaui Earthworm
• Dicranomyia humidicola GNR KY
• Dicranomyia stulta GNR
• Dicranota flaveola GNR
• Dicrotendipes neomodestus GNR
• Didelphis virginiana Virginia Opossum G5 AL, AR, GA, OK
• Dineutus assimilis G5 MO
• Dinocheirus astutus NM
• Dinocheirus cavicola G2G3 TX
• Diplectrona marianae G1 GA
• Diplocardia caroliniana AL, NC
• Diplocardia singularis GNR IL
• Diplocardia verrucosa MO
• Discourella dubiosa IL
• Discus catskillensis Angular Disc G5
• Discus macclintocki Iowa Pleistocene Snail G1 IA
• Discus nigrimontanus Black Mountain Disc G4 TN
• Discus patulus Domed Disc G5 AL, KY, TN
• Discus whitneyi Forest Disc
• Dissochaetus oblitus GNR TN
• Docosia paradichroa
• Dohrniphora perplexa GNR AL
• Dolichopeza dorsalis GNR
• Dolichopeza tridenticulata GNR GA
• Dolichopeza venosa GNR
• Dolichopeza walleyi GNR GA
• Dolichopus fulvipes GNR
• Dolichopus penicillatus GNR
• Dolomedes scriptus Dock Spider G5 IL, IN, KY, TN
• Dolomedes tenebrosus Dark Fishing Spider G5 IL, KY, OK
• Dolomedes vittatus Banded Fishing Spider GNR AL, IL, TN
• Donnaldsoncythere hiwasseensis KY
• Donnaldsoncythere tuberosa G2 TN
• Dorosoma cepedianum American Gizzard Shad G5 AL, KY
• Dorypteryx domestica Cave Barklouse KY
• Drosophila funebris Azijnvlieg GNR
• Dryobius sexnotatus Maple Dryobius GNR KY
• Dryomyza anilis Hooded Dryomyza GNR
• Dryophytes chrysoscelis Cope's Gray Treefrog G5 AL, GA, TN
• Dryophytes cinereus Green Treefrog G5 FL, KY
• Dryophytes gratiosus Barking Treefrog G5 FL, GA
• Dryophytes squirellus Squirrel Treefrog G5 FL
• Dryophytes versicolor Gray Treefrog G5 AR
• Dugesia tigrina
• Duvalius jureceki
• Duvalius lombardii
• Eclipidrilus palustris Aquatic Oligochaete Worm TX
• Eidmannella bullata G1G2 TX
• Eidmannella delicata G1G2 TX
• Eidmannella nasuta G1G2 TX
• Eidmannella pallida Pallid Cave Spider GNR AL, AR, AZ, FL, GA, HI, IA, IL, IN, KY, MD, NM, OH, OK, PA, SC, TN, TX, VA, WV
• Eidmannella reclusa G1G2 TX
• Eidmannella rostrata G4 TX
• Eidmannella tuckeri GNR TX
• Eisenia fetida Brandling GNR KY
• Eisenia rosea IL
• Eiseniella tetraedra Square-Tailed Worm IA, VA, WV
• Eisenoides carolinensis Carolina Worm GNR IL
• Eisenoides lonnbergi NC
• Elaphoidella bidens GA
• Elaphropus ferrugineus AL, GA
• Elaphropus incurvus G5 IL
• Elaver excepta White Sac Spider G5 GA
• Eleodes eschscholtzii Pinacate De Eschscholtz NM
• Eleodes microps CA
• Eleutherodactylus planirostris Greenhouse Frog G5 FL
• Elimia athearni Knobby Elimia G3 FL
• Elimia clenchi Slackwater Elimia G3 FL
• Elimia comalensis Balcones Elimia G2 TX
• Elimia curvicostata FL
• Elimia proxima Sprite Elimia G5 GA
• Elliotta howarthi G1G2 WA
• Emblyna florens AL
• Empherozoster antaeus NM
• Enoplognatha ovata Common Candy-Striped Spider GNR
• Entomobrya bicolor GNR IA
• Entomobrya confusa GNR IA
• Entomobrya intermedia GNR IL
• Entomobrya nivalis
• Entomobrya troglodytes G2G3 CO, SD
• Entomobryoides purpurascens Springtail GNR NM
• Ephemera simulans Brown Drake G4
• Ephippiochthonius tetrachelatus Dimple-Clawed Chthonid AL, IL
• Ephippiochthonius virginicus GA
• Epicharis rustica
• Epitedia cavernicola VA
• Epitedia wenmanni Deermice Flea GNR KY, TN
• Eptesicus fuscus Big Brown Bat G5 AL, AR, GA, IL, IN, KY, OK, PA, TN, VA
• Equus caballus Domestic Horse GNA FL
• Erebomaster flavescens Golden Cave Harvestman G3 IN, KY
• Ereboporus naturaconservatus Nature Conservancy Diving Beetle GNR TX
• Eremidrilus allegheniensis G1G2 TN
• Eremidrilus coyote CA
• Eremidrilus elegans CA
• Eremidrilus felini CA
• Eremidrilus parvitheca TX
• Eremidrilus ritocsi CA
• Eremidrilus samacos TX
• Erethizon dorsatum KY
• Ergodesmus remingtoni G3 IL
• Erichsonius nanus G5 IL
• Erichsonius patella Kneecap Rove Beetle GNR AL
• Erigone autumnalis Autumn Money Spider GNR IA, IL
• Erigone infernalis GNR IN, KY
• Erigone stygius G1G2 HI
• Erpobdella dubia
• Etheostoma artesiae Redspot Darter G5 AL
• Etheostoma caeruleum Rainbow Darter G5 AL, KY
• Etheostoma duryi Black Darter G4 AL, TN
• Etheostoma flabellare Fantail Darter G5 AL
• Etheostoma swaini Gulf Darter G5 FL
• Ethopolys bipunctatus UT
• Euborellia annulipes Ring-Legged Earwig GNR AL
• Euborellia antoni
• Eucyclops agilis GNR IL, IN, KY, NM, TN
• Eucyclops bondi GA, IN
• Eucyclops elegans GA, IN, KY, TN
• Eucyclops speratus Fintagghalehops KY
• Euglandina rosea Rosy Predator Snail G5 FL
• Euglesa casertana Caserta Pea Mussel
• Euhadenoecus fragilis Tawneys Cave Cricket KY, TN, VA
• Euhadenoecus insolitus Highland Rim Crevice Cricket AL, TN
• Euhadenoecus puteanus Allegheny Crevice Cricket GNR AL, GA, KY, TN
• Eupeodes volucris Large-Tailed Aphideater G4
• Eurycea bislineata G5 OH
• Eurycea braggi Southern Grotto Salamander GNR AR, MO
• Eurycea chisholmensis Salado Salamander G1 TX
• Eurycea cirrigera Southern Two-Lined Salamander G5 AL, FL, GA, KY, TN
• Eurycea guttolineata Three-Lined Salamander G5 AL, FL, GA
• Eurycea longicauda Long-Tailed Salamander G5 AL, GA, IL, KY, MO, TN
• Eurycea lucifuga Cave Salamander G5 AL, AR, GA, IL, IN, KY, MO, OK, TN, VA, WV
• Eurycea melanopleura Dark-Sided Salamander AR, OK
• Eurycea multiplicata Many-Ribbed Salamander G4 AR
• Eurycea nerea Northern Grotto Salamander GNR AR, KS, MO
• Eurycea pterophila Fern Bank Salamander G3 TX
• Eurycea rathbuni Texas Blind Salamander G1 TX
• Eurycea robusta Blanco Blind Salamander G1 TX
• Eurycea spelaea Western Grotto Salamander G4 AR, KS, MO, MT, OK
• Eurycea tonkawae Jollyville Plateau Salamander G2 TX
• Eurycea tridentifera Comal Blind Salamander G3 TX
• Eurycea wallacei Georgia Blind Salamander G1G2 FL, GA
• Eurycea waterlooensis Austin Blind Salamander G1 TX
• Eurycea wilderae Blue Ridge Two-Lined Salamander G5 TN
• Euryurus erythropygos G3 IN
• Euryurus evides AR
• Euryurus leachii Log Lurker G4 AL, KY
• Euschoengastia pipistrelli AL, GA, TN
• Euschoengastia staffordi AL
• Eustala anastera Orb Weaver G5
• Eustilicus condei NM, TX
• Eutrichota affinis GNR IN
• Eutrichota lipsia GNR IN
• Eutrombicula alfreddugesi AL
• Exechia attrita
• Exechia auxiliaria
• Exechia bifurcata
• Exechia obediens GNR
• Exechia shawi TN
• Exechia umbratica GNR IN
• Exechiopsis nugax
• Faiditus cancellatus GNR AL
• Faxonius neglectus Ringed Crayfish G5 MO, OK
• Faxonius rusticus Rusty Crayfish G5 MO
• Faxonius stygocaneyi Caney Mountain Cave Crayfish G1 MO
• Faxonius validus Powerful Crayfish G5 AL
• Faxonius virilis Virile Crayfish G5 MO
• Felis rufus AR
• Feralia jocosa Jocose Sallow G5
• Fissilicreagris imperialis Empire Cave Pseudoscorpion G1 CA
• Flabellorhagidia pecki G1G2 ID
• Folsomia bisetosa GNR IL
• Folsomia candida Springtail GNR AL, AR, GA, IA, IL, KY, MN, MO, NM, TN
• Folsomia elongata GNR IL
• Folsomia fimetaria Springtail GNR KY
• Folsomia nivalis GNR IA, IL, WI
• Folsomia penicula GNR AL
• Folsomia prima GNR IA, IL
• Folsomia stella Springtail GNR IA, IL, MN, TN, WI
• Folsomia variabilis IL
• Folsomides americanus IA
• Fontigens aldrichi Hoosier Springsnail G4 MO
• Fontigens antroecetes Enigmatic ghostsnail G2 IL, MO
• Fontigens bottimeri Appalachian Springsnail G2G3 DC, MD, MO, VA
• Fontigens cryptica Hidden springsnail G1 IN, KY
• Fontigens morrisoni Virginia springsnail G2 VA
• Fontigens orolibas Blue Ridge Springsnail G3 VA
• Fontigens proserpina Proserpine Springsnail G1 MO
• Fontigens tartarea Organ cavesnail G2 MD, VA, WV
• Fontigens turritella Greenbrier Cavesnail G1 WV
• Forbesichthys agassizii Spring Cavefish GNR TN
• Forbesichthys papilliferus G3 IL, KY, TN
• Forcipomyia pholetor HI
• Foveacheles auricularia CA
• Foveacheles goffi G1G2 HI
• Foveacheles tenorioae G1G2 HI
• Foveacheles titanica G2G3 CA
• Foveacheles tuktoyaktukensis WV
• Friesea claviseta Bark-Tretornspringhale GNR IA
• Fumonelix wetherbyi Clifty Covert G2 TN
• Fundulus notatus Blackstripe Topminnow G5 AL
• Gabrius microphthalmus G5 IL
• Gaeolaelaps queenslandicus IL
• Galba modicella Rock Fossaria
• Galerita bicolor GNR MO
• Galerita lecontei AL
• Gallus gallus Red Junglefowl G5 KY
• Galumna alata Mite G1G2 KY
• Gambusia affinis Western Mosquitofish G5 AL, FL
• Gambusia holbrooki Eastern Mosquitofish G5 FL
• Gammarus acherondytes Illinois Cave Amphipod G2G3 IL
• Gammarus cohabitus G1G2 PA
• Gammarus limnaeus GNR IL, MO
• Gammarus minus GNR AL, AR, GA, IL, IN, KY, MD, MO, OH, OK, PA, TN, VA, WV
• Gammarus minus tenuipes VA, WV
• Gammarus pseudolimnaeus Northern Spring Amphipod G5 IA, IL
• Gammarus troglophilus GNR IL, MO
• Gastrellarius honestus G5 KY
• Gastrocopta abbreviata Plains Snaggletooth G4 IL
• Gastrocopta armifera Armed Snaggletooth G5 IL, KY
• Gastrocopta contracta Bottleneck Snaggletooth G5 IL, KY
• Gastrocopta pentodon Comb Snaggletooth IL
• Gastrocopta similis Great Lakes Snaggletooth G5 IL
• Gastrodonta interna Brown Bellytooth G5 AL, GA, TN
• Gastrophryne carolinensis Eastern Narrow-Mouthed Toad G5
• Gastrophryne olivacea Great Plains Narrow-Mouthed Toad G5 TX
• Gaucelmus augustinus G3 AL, FL, GA, MS, TX
• Gaucelmus cavernicola
• Gaucelmus strinatii
• Gaucelmus tropicus
• Gennadota puberula IA
• Geocentrophora cavernicola G2 KY, VA, WV
• Geocolus caecus AL
• Geodromicus brunneus GNR AL, GA, IL, TN
• Geomys bursarius Plains Pocket Gopher G5 KY
• Girardia dorotocephala Flatworm NV
• Glacicavicola bathyscioides G3 ID, WY
• Globocreagris nigrescens VA
• Glyphyalinia carolinensis Spiral Mountain Glyph G4 TN
• Glyphyalinia cryptomphala Thin Glyph G5 AL, GA, KY, TN
• Glyphyalinia indentata Carved Glyph G5 AL, GA, KY, TN, VA
• Glyphyalinia latebricola Stone Glyph G2 AL, IL
• Glyphyalinia lewisiana Pale Glyph G4 KY, TN
• Glyphyalinia luticola Furrowed Glyph G4 IL
• Glyphyalinia pecki Blind Glyph G1G2 AL
• Glyphyalinia praecox Brilliant Glyph G4 GA, TN
• Glyphyalinia rhoadsi Sculpted Glyph G5 GA, TN
• Glyphyalinia sculptilis Suborb Glyph G4 AL, GA, KY, TN
• Glyphyalinia specus Hollow glyph G4 AL, GA, KY, TN, WV
• Glyphyalinia wheatleyi Bright Glyph G5 GA, TN
• Gnathonaroides pedalis GNR
• Gnophomyia tristissima GNR IL
• Gopherus polyphemus Gopher Tortoise G3
• Gordionus lineatus TN
• Grandidierella palama HI
• Gymnophora luteiventris GNR
• Gyraulus parvus Ash Gyro FL
• Gyrinophilus gulolineatus Berry cave salamander G1 TN
• Gyrinophilus palleucus Tennessee Cave Salamander G2G3 AL, GA, TN
• Gyrinophilus porphyriticus Spring Salamander G5 AL, GA, KY, OH, TN, VA, WV
• Gyrinophilus subterraneus West Virginia Spring Salamander G1 WV
• Hadenoecus barri Barr's Cave Cricket TN
• Hadenoecus cumberlandicus Cumberland Cave Cricket GNR KY
• Hadenoecus jonesi Limrock Blowing Cave Cricket GNR AL, TN
• Hadenoecus opilionoides TN
• Hadenoecus subterraneus Mammoth Cave Cricket GNR KY, TN
• Haideoporus texanus Edwards Aquifer Diving Beetle G1G2 TX
• Halocaridina palahemo G1 HI
• Halocaridina rubra G3 HI
• Hamohalacarus subterraneus Donaldson's Cave Water Mite G1 IN
• Haplophthalmus danicus Spurred Ridgeback IL, IN, KY, NM, TN, VA
• Haplotaxis brinkhursti G1 WV
• Haplotaxis gordioides Haplotaxid Worm GNR WV
• Haplotrema concavum Gray-Foot Lancetooth G5 AL, FL, TN
• Harpalus pennsylvanicus GA
• Hawaiia minuscula Minute Gem G5 GA, IL, MO, TN
• Hawaiioscia micropthalma G1G2 HI
• Hawaiioscia paeninsulae G1G2 HI
• Hawaiioscia parvituberculata G1G2 HI
• Hawaiioscia rotundata G1G2 HI
• Hawinella lava G2G3 HI
• Heleomyza brachypterna AR
• Heleomyza serrata GNR IN, WI
• Helicina orbiculata AL, TN
• Helicodiscus barri Raccoon coil G3G4 AL, GA, TN
• Helicodiscus fimbriatus Fringed Coil G4 AL
• Helicodiscus hadenoecus Cricket Coil AL, KY, TN
• Helicodiscus inermis AL
• Helicodiscus multidens Twilight Coil G3 TN
• Helicodiscus notius Tight Coil G5 AL, GA, IL, KY, MO, TN
• Helicodiscus notius specus Hollow Coil G2 AL, GA, IL, KY, MO, TN
• Helicodiscus parallelus Compound Coil G5 GA, TN
• Helicodiscus punctatellus KY
• Helicodiscus shimeki Temperate Coil G5
• Helius flavipes GNR
• Helodrilus foetidus KY
• Helodrilus tenuis KY
• Hemidactylium scutatum Four-Toed Salamander G5 OH
• Heminothrus targionii GNR
• Hemiscolopendra marginata Eastern Bark Centipede GNR IN
• Hemisotoma thermophila GNR IL
• Hemitremia flammea Flame Chub G3 AL
• Hentziectypus globosus Fingered Cobweaver GNR AL
• Hesperochernes bradybaughi GNR AZ
• Hesperochernes holsingeri Holsinger's Cave Pseudoscorpion G1 IN
• Hesperochernes mirabilis Southeastern Cave Pseudoscorpion G5 AL, GA, IL, IN, KY, OH, TN, VA
• Hesperochernes occidentalis Guano Pseudoscorpion G5 AR, MO, OK, TX
• Hesperonemastoma inops G1G2 KY
• Hesperonemastoma pallidimaculosum G3 AL
• Hesperonemastoma smilax GNR WV
• Heteraphorura subtenuis GNR IL
• Heterelmis comalensis Comal Springs Riffle Beetle G1 TX
• Heteromurus nitidus IA
• Hexabathynella hessleri CA
• Hexabathynella muliebris CA
• Hexabathynella otayana CA
• Hexabathynella virginiae VA
• Hibana gracilis Garden Ghost Spider GNR AL
• Hickmania troglodytes Tasmanian Cave Spider
• Hirundo rustica Barn Swallow G5 AR, TN
• Hobbsinella edwardensis GNR TX
• Hobbsinella gunnisonensis CO
• Hogna frondicola Forest Wolf Spider G5
• Holsingeria unthanksensis Thankless ghostsnail G2 VA, WV
• Holsingerius samacos G1G2 TX
• Homaeotarsus bicolor GNR IL
• Homaeotarsus carolinus GNR AL
• Homidia socia Three-Lined Springtail IL
• Horologion hubbardi GNR VA
• Horologion speokites Arbuckle Cave Beetle GH WV
• Horreolanus orphanus IL, OH
• Howaia mogera Kasholenspin HI
• Hubbardia shoshonensis Shoshone Cave Whipscorpion G1 CA
• Hyalella azteca Mexican Freshwater Shrimp G5 FL
• Hyalella cretae GNR NV
• Hygrotus sayi Say's Diving Beetle G5
• Hylarana grandocula Big-Eyed Frog
• Hypena scabra Green Cloverworm G5 IL, IN, VA
• Hypentelium nigricans Northern Hog Sucker G5 AL
• Hypoaspis angusta IL
• Hypochilus bonneti GNR CO, NM
• Hypochilus coylei G3 NC
• Hypochilus gertschi G3 VA
• Hypochilus pococki Pocock's Lampshade-Web Spider G4 NC, TN
• Hypochilus thorelli Thorell's Lampshade-Web Spider G4 AL, GA, TN, VA
• Hypogastrura antra KY, TN
• Hypogastrura assimilis Mark-Tornspringhale GNR AL, IL, TN
• Hypogastrura matura GNR IL, MO
• Hypogastrura notha IL
• Hypogastrura purpurescens Purpur-Tornspringhale GNR
• Hypogastrura sparta AL
• Hypogastrura tullbergi GNR AL
• Ictalurus punctatus Channel Catfish G5 AL, FL
• Ictidomys tridecemlineatus Thirteen-Lined Ground Squirrel G5
• Ictiobus bubalus Smallmouth Buffalo G5 AL
• Idagona jasperi UT
• Idagona lehmanensis NV
• Idagona westcotti Idaho Lave Tube Millipede G1G2 ID
• Illacme tobini CA
• Inflectarius inflectus Shagreen G5 AL, FL, IL, KY, MO, TN
• Inflectarius rugeli Deep-Tooth Shagreen G5 AL, GA, KY, TN
• Iolania frankanstonei HI
• Islandiana cavealis Cave Sheet-web Spider GNR IN
• Islandiana flaveola Unequal Whiskered Money Spider G5 IL
• Islandiana lewisi cave sheet-web spider G1 IN
• Islandiana muma G1G2 AL, IL, VA
• Islandiana princeps Eastern Whiskered Money Spider GNR IL
• Islandiana speophila Cavern Sheet-web Spider G1 WV
• Islandiana unicornis G2G3 IL, OK, TX
• Isotoma andrei IL
• Isotoma gelida IL
• Isotoma tariva TN
• Isotoma trispinata IA, IL, MN
• Isotoma viridis Engspringhale GNR IA, MO
• Isotomiella minor Springtail GNR IA, IL, TN
• Ixodes conepati NM, TX
• Ixodes cookei American Castor Bean Tick GA, KY
• Ixodes scapularis Black Legged Tick GNR OK
• Ixodes woodi GNR TN
• Jalysus wickhami Spined Stilt Bug GNR KY
• Kenkia glandulosa Pink Cave Flatworm G2G3 IA, MO
• Kenkia lewisi Lewis' cave planarian G1 IL, MO
• Kenkia rhynchida Malheur Cave Flatworm G1G2 OR
• Kleptochthonius affinis G1G2 TN
• Kleptochthonius anophthalmus G1 VA
• Kleptochthonius attenuatus G1 KY
• Kleptochthonius barri G1G2 TN
• Kleptochthonius binoculatus G1G2 VA
• Kleptochthonius cerberus G1 KY
• Kleptochthonius charon G1G2 TN
• Kleptochthonius daemonius G1G2 TN
• Kleptochthonius erebicus G1 KY
• Kleptochthonius gertschi Gertsch's Cave Pseudoscorpion G1 VA
• Kleptochthonius griseomanus Gray-handed Cave Pseudoscorpion G2 IN
• Kleptochthonius hageni G1G2 KY
• Kleptochthonius henroti Greenbrier Valley Cave Pseudoscorpion G2 WV
• Kleptochthonius hetricki Organ Cave Pseudoscorpion G1 WV
• Kleptochthonius hubrichti G1G2 KY
• Kleptochthonius infernalis G1 TN
• Kleptochthonius krekeleri G2G4 KY
• Kleptochthonius lewisorum Lewis Cave Pseudoscorpion G1 IN
• Kleptochthonius lutzi Lutz's Cave Pseudoscorpion G1 VA
• Kleptochthonius magnus G1 GA, TN
• Kleptochthonius microphthalmus G1G2 KY
• Kleptochthonius multispinosus AL
• Kleptochthonius myopius G1 TN
• Kleptochthonius orpheus Orpheus Cave Pseudoscorpion G1 WV
• Kleptochthonius packardi Packard's Cave Pseudoscorpion G2 IN, KY
• Kleptochthonius pluto G1 TN
• Kleptochthonius proserpinae Proserpina Cave Pseudoscorpion G1 WV
• Kleptochthonius proximosetus G1 VA
• Kleptochthonius regulus G1G2 VA
• Kleptochthonius rex G1 TN
• Kleptochthonius similis G1 VA
• Kleptochthonius stygius G1 TN
• Kleptochthonius tantalus G1 TN
• Komarekiona eatoni Kentucky Earthworm GNR IL
• Labidostomma neotropica TN
• Laccophilus maculosus Dingy Diver G5
• Lacrimacandona wisei GNR TX
• Lacunicambarus diogenes Devil Crawfish G5 IL, KY
• Ladislavella elodes Marsh Pondsnail
• Laelaps cavernicola KY
• Lampetra aepyptera Least Brook Lamprey G5 AL, KY
• Lampropeltis holbrooki Speckled Kingsnake G5 AR
• Larca aalbui Aalbu's Cave Pseudoscorpion G1 CA
• Larca cavicola Grand Canyon Cave Pseudoscorpion G1G2 AZ
• Larca guadalupensis Guadalupe Cave Pseudoscorpion G1G2 TX
• Larca laceyi Lacey's Cave Pseudoscorpion G1 CA
• Larca welbourni G1G2 AZ
• Lascoria ambigualis Ambiguous Moth G5 AL
• Lasionycteris noctivagans Black Bat G4 AR
• Lasiurus borealis Eastern Red Bat G3 AR, GA, KY, TN
• Lasiurus cinereus AR, KY, TN
• Lasiurus seminolus Seminole Bat G5
• Latrodectus variolus Northern Black Widow GNR TN
• Lebia ornata Ornate Harp Ground Beetle G5 AL
• Leia cuneola AL, GA
• Leiobunum aldrichi Aldrich's Harvestman GNR AL
• Leiobunum calcar GNR TN
• Leiobunum longipes KY
• Leiobunum politum GNR
• Leiobunum vittatum Eastern Harvestman
• Lepidocyrtus atropurpureus KY
• Lepidocyrtus helenae G3 TN
• Lepidocyrtus paradoxus GNR
• Lepidocyrtus usitatus
• Lepomis auritus Redbreast Sunfish G5 AL
• Lepomis cyanellus Green Sunfish G5 AL, AR, IL, KY
• Lepomis gulosus Warmouth G5 FL
• Lepomis humilis Orangespotted Sunfish G5 AL
• Lepomis macrochirus Bluegill G5 AL, FL, KY
• Lepomis megalotis Mojarra De Cuatro Cienegas GNR KY
• Lepomis microlophus Redear Sunfish G5 AL
• Lepthyphantes leprosus Household Fine Sheetweaver GNR IL
• Leptocera atra NM
• Leptocera caenosa GNR GA
• Leptopeza compta GNR
• Leptotrombidium myotis GA
• Lepus americanus Snowshoe Hare G5
• Lesteva cribratula AL
• Lesteva pallipes G5 AL, GA, IA, IL, IN, KY, TN
• Lestodiplosis grassator GNR
• Lestodiplosis satiata
• Lethemurus missus Missus Cave Springtail G4 CO, IL, IN, KY, MO, Mexico, TN
• Leucauge venusta Orchard Orbweaver GNR AL, IL, KY
• Leucohya heteropoda
• Leucohya texana G1G2 TX
• Leydigia leydigi Gewone Breedstaartwatervlo FL
• Liagoceradocus lonomaka G1G2 HI
• Liancalus genualis GNR GA, IN
• Ligidium elrodii G4 AL, AR, GA, IL, KY, TN, VA, WV
• Ligidium kofoidi G1G2 CA
• Limomyza cavernicola CO
• Limonia annulata Syyssienikiekko
• Limonia badia GNR
• Limonia indigena GNR
• Limonia maculicosta GNR
• Limonia stulta AR
• Linopodes mammouthia KS, KY
• Liocranoides archeri Archer's Two-clawed Cave Spider G2 AL, TN
• Liocranoides coylei TN, VA
• Liocranoides tennesseensis G1 TN
• Liocranoides unicolor GU AL, GA, KY, TN
• Liposcelis decolor Book Louse GA
• Liposcelis divinatoria KY
• Lirceolus bisetus G1G2 TX
• Lirceolus cocytus GNR TX
• Lirceolus hardeni G2G3 TX
• Lirceolus nidulus GNR Mexico, TX
• Lirceolus pilus G2G3 TX
• Lirceolus smithii Texas Troglobitic Water Slater G1G2 TX
• Lirceus bicuspidatus G3 AR
• Lirceus bidentatus G1 AR
• Lirceus bisetus VA
• Lirceus culveri Rye Cove Cave Isopod G1 VA
• Lirceus fontinalis Lower Ohio Waterslater GNR GA, IL, KY, TN
• Lirceus garmani GNR KS, OK
• Lirceus holsingeri VA
• Lirceus hoppinae Blunt-Toothed Springslater GNR MO, OK
• Lirceus littonensis VA
• Lirceus orndorffi VA
• Lirceus slayorum Flat Waterslaters MO
• Lirceus usdagalun Lee County Cave Isopod G1 VA
• Lirceus zigleri Flat Waterslaters GNR VA
• Lissocreagris eurydice G1 AL
• Lissocreagris nickajackensis G1G2 AL, TN
• Lissocreagris persephone G1 AL
• Lissocreagris pluto G1 AL
• Lissocreagris subatlantica G3 AL, GA
• Lissocreagris valentinei Valentine's Cave Pseudoscorpion G1 VA
• Litargus balteatus Stored Grain Hairy Fungus Beetle GNR IA
• Lithasia obovata Shawnee Rocksnail G4 KY
• Lithobates catesbeianus American Bullfrog AL, AR, FL, GA, IL, IN, KY, TN
• Lithobates clamitans Green Frog AL, AR, FL, GA, IN, KY, OK, TN
• Lithobates grylio FL
• Lithobates heckscheri
• Lithobates palustris Pickerel Frog G5 AL, AR, CT, GA, IL, KY, OK, TN
• Lithobates sphenocephalus Southern Leopard Frog G5 AR, FL, GA, KY, TN
• Lithobates sylvaticus AR, NY, TN, VA
• Lithobius atkinsoni AL, FL, GA, TN
• Litocampa cookei Cooke's Cave Dipluran G5 AL, GA, KY, TN, VA
• Litocampa fieldingae Fielding's Cave Dipluran G2G3 VA, WV
• Litocampa henroti G1G2 AL
• Litocampa hoffmani G3 VA
• Litocampa jonesi G2G3 KY, TN
• Litocampa pucketti Puckett's Cave Dipluran G1G2 VA
• Litocampa valentinei G5 AL, TN
• Lobosculum pustuloides Tiny Liptooth G4 AL
• Lontra canadensis Common Otter G5 OK
• Lophomus skamania WA
• Loxosceles panama Violin Spiders
• Lucilla inermis Oldfield Coil AL, GA, TN
• Lucilla singleyana Singley's Subterranean Discus Snail G5 IL, TN
• Lumbricus rubellus Blood Worm GNR GA, IL, NC, VA
• Lumbricus terrestris Nightcrawler GNR IL
• Lustrochernes minor
• Luxilus chrysocephalus Striped Shiner G5 AL
• Lycosa howarthi G1G2 HI
• Lymantes nadineae GNR TX
• Lynx rufus Bobcat G5 AR, KY, TN
• Lyogyrus retromargo Indented Duskysnail GU FL
• Lythrurus fasciolaris Scarlet Shiner G5 KY
• Macrobrachium carcinus Bigclaw River Shrimp G5 FL
• Macrocera hirsuta IN
• Macrocera nobilis GNR AR, IL, KY, OK, TN
• Macrocheles penicilliger TN
• Macrocheles robustulus Mite TN
• Macrocheles stygius G1G2 KY
• Macrocheles troglodytes G1G2 KY
• Macrocyclops albidus White Copepod FL, GA, IL, IN, KY, TN
• Macrocyclops fuscus Giant Copepod IN, KY
• Macromastus umpqua G1G2 OR
• Maevia inclemens Dimorphic Jumper GNR GA
• Malaconothrus monodactylus IA
• Mangora placida Tuftlegged Orbweaver GNR AL
• Manota obscura IN
• Margarinotus egregius G5 GA
• Marmota monax Groundhog G5 IN
• Marpissa lineata Four-Lined Slender Jumping Spider GNR KY
• Marstonia comalensis Comal Marstonia G2 TX
• Marstonia ogmorhaphe Royal Marstonia G1 TN
• Martes americana American Marten G5 KY
• Mastigoproctus giganteus Giant Vinegaroon GNR FL
• Maymena ambita GNR AL, GA, IL, TN
• Mecyclothorax aa HI
• Mecynogea lemniscata Basilica Orbweaver GNR AL
• Megacyclops donnaldsoni Donaldson's Cave Copepod G3G4 GA, IN, KY, TN
• Megacyclops latipes IN, TN
• Megacyclops viridis Cyclopoid Copepod IN
• Megalothorax minimus IA, IL
• Megalothorax tristani IL
• Megapallifera mutabilis Changeable Mantleslug G5 KY
• Megascops asio Eastern Screech Owl G5 AL, OK
• Megaselia breviterga GA
• Megaselia cavernicola GNR AL, AR, GA, IA, IL, KY, TN
• Megaselia nigriceps GNR IN
• Megaselia rufipes Hump-Backed Fly GNR IN, KY, NM
• Megaselia spelunciphila GA
• Melanoides tuberculata FL
• Melanolestes picipes Black Corsair GNR IL
• Mephitis mephitis Striped Skunk G5 AR, KY, OK
• Mermessus antraeus GNR IL, NM, TX
• Mermessus denticulatus Amerikaanse Kasdwergspin GNR AL, IL, NM
• Mermessus indicabilis GNR IL
• Mermessus maculatus Sheet-Web Spiders GNR AL, GA, IL, MO, TN
• Mermessus tridentatus Spider GNR AL, IL, TN
• Meropelopia flavifrons
• Mesaphorura iowensis GNR GA, IA
• Mesaphorura krausbaueri GA
• Mesaphorura pacifica GNR IA
• Mesaphorura silvicola IL
• Mesocyclops edax IL, IN, KY
• Mesodon clausus Yellow Globelet G5 IL
• Mesodon thyroidus White-Lip Globe G5 FL, TN
• Mesodon zaletus Toothed Globe G5 AL, FL, KY
• Mesomphix andrewsae Mountain Button G3 TN
• Mesomphix anurus Frog Button G4 AL
• Mesomphix capnodes Dusky Button G5 AL
• Mesomphix cupreus Copper Button KY, TN
• Mesomphix perlaevis Smooth Button G4 KY
• Mesomphix pilsbryi Striate Button G4 AL
• Meta ovalis Cave Orb Weaver G5 AL, AR, GA, IA, IL, IN, KY, MO, OK, TN, VA
• Metajapyx subterraneus KY
• Metalimnobia cinctipes GNR
• Metaltella simoni Hacklemesh Weaver GNR GA
• Metisotoma grandiceps IA
• Mexichthonius exoticus G1G2 TN
• Mexistenasellus coahuila Coahuila Groundwater Isopod G2G3 Mexico, TX
• Mexistenasellus floridensis Florida Cave Isopod G1 FL
• Mexiweckelia hardeni G2G3 TX
• Microbisium parvulum GNR IL, KY, TN
• Microcreagris grandis Great Basin Cave Pseudoscorpion G1G2 NV
• Microcyclops rubellus IL, IN, KY, TN
• Microcylloepus pusillus GNR TX
• Micropogonias undulatus Croaker G5
• Micropterus dolomieu Smallmouth Bass GNR TN
• Micropterus punctulatus Spotted Bass G5 KY
• Micropterus salmoides American Black Bass GNR AL, FL
• Microtus ochrogaster Prairie Vole G5 KY
• Microtus pennsylvanicus Meadow Vole G5 KY
• Microtus pinetorum Pine Vole G5 AR, KY
• Microtus xanthognathus Taiga Vole G5
• Microvelia americana GNR GA, IL
• Miktoniscus barri Barr's Terrestrial Cave Isopod G2G4 IN, KY, TN
• Miktoniscus linearis AL
• Miktoniscus medcofi Small Alabama Sowbug GNR AL, FL, IL, NC, TN, VA, WV
• Miktoniscus morganensis AL
• Miktoniscus oklahomensis Racovitza's Cave Isopod G1G2 OK
• Miktoniscus racovitzai Racovitza's Terrestrial Cave Isopod G3G4 KY, OK, VA
• Mimetus notius Reticulated Pirate Spider GNR
• Mimetus puritanus Common Pirate Spider GNR AL
• Minicreagris pumila GNR AL, GA
• Mixojapyx reddelli G3G4 TX
• Mochlonyx cinctipes GNR
• Molothrus ater Brown-Headed Cowbird G5 IL
• Monopis crocicapitella Bird Nest Moth GNR AL, TN
• Monopsyllus wagneri IA
• Montanabathynella pecosensis TX
• Montanabathynella salish GNR MT
• Moraria cristata IN
• Mormoops megalophylla Ghost-Faced Bat G5 TX
• Morone saxatilis Maryland Bass Hybrid G3 FL
• Moxostoma erythrurum Golden Redhorse G5 KY
• Mundochthonius cavernicola G1G2 IL, MO
• Mundochthonius holsingeri G1 VA
• Mus musculus House Mouse G5 AL, KY
• Musca domestica Common House Fly GNR IN
• Muscina prolapsa Muscoid Fly GNR GA
• Musculium securis
• Mustela nivalis Least Weasel G5
• Mycetophila analis IN
• Mycetophila byersi GNR
• Mycetophila fisherae GNR
• Mycetophila ichneumonea GNR IN, TN
• Mycetophila ruficollis
• Mycetophila sordida GNR
• Mycomya nitida GNR
• Myodopsylla insignis Bat Flea GNR KY
• Myotis austroriparius Southeastern Myotis G4 AL, AR, FL, GA, IL, KY
• Myotis grisescens Gray Bat G3 AL, AR, FL, GA, IL, KS, KY, MO, MS, OK, TN, VA
• Myotis leibii Eastern Small-Footed Bat G4 AR, GA, KY, PA, TN, VA
• Myotis lucifugus Little Brown Bat G3 AL, AR, GA, IL, IN, KY, PA, TN, VA
• Myotis septentrionalis Northern Long-eared Bat G2 AL, AR, FL, GA, IL, KY, OK, PA, TN, VA
• Myotis sodalis Cluster Bat G2 AL, AR, FL, GA, IL, KY, PA, TN, VA
• Myotis velifer Cave Myotis G4
• Myrmecina americana American Mite-Eating Ant G5 GA
• Mystacides sepulchralis Black Dancer Caddisfly G5
• Nadabius ameles MO
• Nais variabilis Aquatic Oligochaete Worm GNR WV
• Namiotkocypria haysensis TX
• Nampabius mycophor AL
• Nampabius turbator G1 VA
• Nannopetalum fontis AL
• Nannopetalum vespertilo NC
• Narceus americanus American Giant Millipede G5 AL, AR, TN
• Narceus annularis G5 TN
• Neanura hawaiiensis G1G2 HI
• Neanura muscorum Moss Springtail GNR IA
• Neanura persimilis GNR IL
• Neanura pseudoquadrioculata IL
• Neaphaenops tellkampfi G3G4 IN, KY
• Necrophilus pettitii GNR AL, TN
• Neelides minutus GNR GA, IA, IL
• Nelima elegans KY, TN
• Nelima paessleri Aggregating Harvestman GNR
• Nelsonites jonesi G2G3 KY
• Nelsonites walteri G3 TN
• Nemadus hornii AL, GA, TN
• Nemoura trispinosa IL
• Neoallochernes incertus G1G2 NM
• Neoallochernes stercoreus G4 TX
• Neobisnius paederoides GNR IL
• Neochthonius imperialis Empire Cave Pseudoscorpion G1 CA
• Neochthonius troglodytes G2G3 CA
• Neoechinorhynchus cylindratus KY
• Neogale vison American Mink G5 GA, IN
• Neohelix albolabris Eastern Whitelip G5
• Neolithobius voracior GA
• Neoporus clypealis GNR FL
• Neoscona domiciliorum Red-Femured Spotted Orbweaver GNR
• Neospintharus trigonum Horned Parasitic Cobweaver GNR AL, IN
• Neotoma floridana Eastern Woodrat G5 AL, AR, FL, GA, OK
• Neotoma magister Allegheny Woodrat G3 AL, IN, KY, TN, VA
• Nepalomyia sombrea GA
• Neriene radiata Filmy Dome Spider G5 GA, IL, IN, KY
• Nerodia erythrogaster Plain-Bellied Water Snake G5
• Nerodia fasciata Southern Water Snake G5 FL
• Nerodia sipedon Common Watersnake G5 GA, TN
• Nesidiolestes ana Ana Wingless Thread Bug G1G2 HI
• Nesticus barri Barr's Cave Spider G3 AL, TN
• Nesticus barrowsi G1G2 TN
• Nesticus brimleyi G1G2 NC
• Nesticus carolinensis Linville Caverns Spider G2 NC
• Nesticus carteri Carter's Cave Spider GNR IN, KY, TN, VA, WV
• Nesticus cressleri GNR GA
• Nesticus dilutus Grassy Creek Cave Spider G1 TN
• Nesticus furtivus Racoon Mountain Caverns Cave Spider G1 TN
• Nesticus georgia Georgia Cave Spider G1G2 GA
• Nesticus gertschi G1 TN
• Nesticus holsingeri Holsinger's Cave Spider G3G4 VA
• Nesticus jonesi Cave Spring Cave Spider G1 AL
• Nesticus lula GNR GA
• Nesticus mimus G3 VA
• Nesticus paynei G3G4 TN, VA
• Nesticus pecki Monteagle Cave Spider GNR TN
• Nesticus potterius G1G2 CA
• Nesticus reclusus Lost Nantahala Cave Spider G3 NC
• Nesticus sodanus CA
• Nesticus stupkai TN
• Nesticus stygius G1G2 TN
• Nesticus tennesseensis Tennessee Cave Spider G3G4 TN, VA, WV
• Neuratelia sayi IN
• Nevadesmus hubbsi GNR NV
• Nevadesmus ophimontis NV
• Nevadesmus superstitiona AZ
• Niptus arcanus CA
• Nitidotachinus scrutator GNR IN
• Nitocrellopsis texana GNR TX
• Nopoiulus kochii Haakwang G5 KY, TN
• Notemigonus crysoleucas Golden Shiner G5 AL
• Notiobia terminata G5 AL
• Notophthalmus viridescens Eastern Newt G5 AL, GA, KY, TN
• Notropis atherinoides Emerald Shiner G5 KY
• Novobisium carolinense GA
• Novobisium ingratum GNR AL
• Nycteridopsylla chapini KY
• Nycticeius humeralis Evening Bat G5 AL, AR, KY
• Nyctinomops femorosaccus Pocketed Free-Tailed Bat G5
• Oaphantes prometheus CA
• Occasjapyx kofoidi CA
• Ochrotrichia spinosa G5 AR
• Ocrepeira ectypa GNR AL
• Octolasion lacteum White Worm TN, WV
• Octolasion tyrtaeum Woodland White Worm GNR AL, GA, IL, NC, TN, VA
• Odiellus pictus Painted Harvestman GNR
• Odocoileus virginianus White-Tailed Deer G5 AL, FL, KY
• Odontotaenius disjunctus Patent Leather Beetle GNR IL
• Oecothea fenestralis GNR IN, KY, TN
• Oecothea specus Small Cave Sun Fly AL, AR, GA, IA, IL, IN, KY, TN, VA, WI
• Oedipodrilus macbaini TN
• Oliarus gagneri G1G2 HI
• Oliarus kalaupapae G1G2 HI
• Oliarus lorettae G1G2 HI
• Oliarus makaiki G1G2 HI
• Oliarus polyphemus G1G2 HI
• Oliarus priola G1G2 HI
• Oliarus waikau G1G2 HI
• Omalium rivulare Ocillate Rove Beetle GNR TN
• Omorgus alatus
• Omorgus amictus
• Omorgus batesi
• Omorgus brucki
• Omorgus carinatus
• Omorgus costatus
• Omorgus fuliginosus
• Omorgus lindemannae
• Omorgus punctatus
• Omorgus rubricans
• Omorgus suberosus Hide Beetle GNR
• Oncopodura cruciata G1G2 MT
• Oncopodura fenestra G2G3 TX
• Oncopodura hoffi Hoff's Cave Springtail G1G2 MO
• Oncopodura hubbardi G2 VA
• Oncopodura iowae G3G4 IA, IL, MO
• Oncopodura mala Malheur Cave Springtail G2 CA, OR
• Oncopodura prietoi G1G2 Mexico, NM
• Oncopodura subhoffi G3 CO
• Oniscus asellus Common Shiny Woodlouse GNR
• Onychiurus eous IA
• Onychiurus gelus G2G3 IA, WA, WI
• Onychiurus janus G2G3 AL, VA, WV
• Onychiurus obesus G3G4 IA, MN, MO, WI
• Onychiurus opus IA
• Onychiurus oregonensis G1G2 OR
• Onychiurus paro G1 AL
• Onychiurus parvicornis IA
• Onychiurus pipistrellae IL
• Onychiurus pseudoarmatus TN
• Onychiurus pseudofimetarius TN
• Onychiurus reluctus GNR IA, IL, Mexico, TN, WV
• Onychiurus similis IA
• Opheodrys aestivus Greensnake G5 AR
• Ophisaurus ventralis Eastern Glass Lizard G5 FL
• Ophyiulus pilosus Furry Snake Millipede G5 AL, KY, TN
• Opiona catorycha OR
• Opiona graeningi CA
• Oppia nitens GNR IA
• Orchesella hexfasciata GNR IA
• Orchopeas leucopus Pulga GNR
• Orchopeas sexdentatus KY, VA
• Orconectes australis Southern Cave Crayfish G5 AL, KY, TN
• Orconectes barri Cumberland Plateau Cave Crayfish G2 KY, TN
• Orconectes incomptus Tennessee Cave Crayfish G2 TN
• Orconectes inermis Ghost Crayfish G5 IN, KY, TN
• Orconectes packardi Appalachian Cave Crayfish G2 KY, TN
• Orconectes pellucidus Mammoth Cave Crayfish G4 AL, IN, KY, TN
• Oregonasellus elliotti OR
• Oreonetides beattyi Beatty's Sheetweb Cave Spider GNR IN, MD, PA, TN, VA
• Oreonetides vaginatus Undergrowth Sheet-Web Weaver G5
• Oreophantes recurvatus G5
• Orfelia elegans
• Origanates rostratus GNR AL, TN
• Ormosia affinis Cranefly GNR
• Ormosia meigenii GNR IN
• Oropsylla arctomys GNR IA
• Orthocyclops modestus IL, IN, TN
• Orus rubens NM
• Oryzaephilus surinamensis Sawtoothed Grain Beetle GNR IA
• Osphranticum labronectum KY, TN
• Osteopilus septentrionalis Cuban Treefrog G5 FL
• Otiorhynchus ovatus Strawberry Root Weevil GNR
• Otostigmus cooperi
• Oxidus gracilis Greenhouse Millipede G5 AL, FL, GA, KY, OK, PA, TN, VA
• Oxyopes salticus Lynx Spider GNR AL
• Oxytelus exiguus IL
• Ozarkia alabama GNR AL
• Ozarkia arkansa AR
• Ozarkia blanda GNR AL
• Ozarkia georgia GNR GA
• Ozarkia novaegalleciae NM
• Ozarkia serena G1G2 AL
• Pachydesmus crassicutis G5 AL
• Pacificabathynella kalispellensis GNR MT
• Pacificabathynella ruthae GNR MT
• Pacificabathynella sequoiae GNR CA, WA
• Pacificabathynella stanfordi GNR MT
• Pacificabathynella yupik AK
• Packardesmus cavicola UT
• Paeromopus cavicolens CA
• Paitobius arienus AL
• Paitobius carolinae AL
• Paitobius juventus AL
• Palaemon kadiakensis Mississippi Grass Shrimp G5 FL
• Palaemon paludosus Eastern Grass Shrimp G5 FL
• Palaemonetes antrorum Balcones Cave Shrimp G2G3 TX
• Palaemonetes cummingi Squirrel Chimney Cave Shrimp GH FL
• Palaemonias alabamae Alabama Cave Shrimp G1 AL
• Palaemonias ganteri Mammoth Cave Shrimp G1 KY
• Paleonura petebellingeri G1 VA
• Pangaeus docilis
• Panstrongylus geniculatus Barbeiro
• Pantelozetes cavaticus TN
• Pantherophis guttatus Corn Snake G5
• Pantherophis obsoletus Pilot Black Snake G5 AR, KY
• Pantherophis quadrivittatus Yellow Rat Snake (Quadrivittata) FL
• Pantherophis spiloides Gray Rat Snake G4 AL, FL
• Parabogidiella americana G2G3 TX
• Paracyclops canadensis IN
• Paracyclops chiltoni IN, KY
• Paracyclops poppei Copepod GNR KY
• Paragnetina media Embossed Stone G4
• Paraholsingerius smaragdinus GNR TX
• Parametriocnemus lundbeckii GNR
• Paramexiweckelia ruffoi Ruffo's Cave Amphipod G1G2 TX
• Paramoera lokowai G1G2 HI
• Paramoera paakai G1G2 HI
• Paramoera rua G1G2 HI
• Paraplanaria occulta VA
• Pararhynchelmis texana TX
• Parascalops breweri Brewer's Mole G5 KY
• Parasitus fimetorum TN
• Parasitus remberti IA
• Parasteatoda tepidariorum Common House Spider GNR AL, AR, GA, IL, KY, TN, VA
• Paratachys aaa HI
• Paratheridula perniciosa Cobweb Spiders
• Paravachonium bolivari
• Paravitrea capsella KY, TN
• Paravitrea multidentata Dentate Supercoil G5 TN
• Parazaona cavicola
• Paria sexnotata Juniper Paria GNR AR
• Parisotoma notabilis GNR FL, IA, IL, MN, MO, TN, WI
• Parobisium charlotteae G1G2 OR
• Parobisium petilum CA
• Parobisium yosemite CA
• Parvidrilus strayeri G1G2 AL
• Patera appressa Flat Bladetooth G5 AL, GA, KY, TN, VA
• Patera laevior Smooth Bladetooth G4 KY, TN
• Patera perigrapta Engraved Bladetooth G5 AL, GA, TN
• Patera sargentiana Grand Bladetooth G2 AL
• Patrobus longicornis Long-Horned Patrobus Beetle G5 AL, IL, IN, KY, MO
• Pegoplata infirma GNR
• Pelegrina exigua GNR IL
• Pelegrina proterva Common White-Cheeked Jumping Spider G5 IL
• Penaeus setiferus Northern White Shrimp GNR FL
• Percina caprodes Common Logperch G5 AL, KY
• Percina nigrofasciata Blackbanded Darter G5
• Percymoorensis lateralis
• Perichaeta minima GA
• Pericoma scotiae TN
• Perimyotis subflavus Tricolored Bat G3 AL, AR, CT, FL, GA, IL, IN, KS, KY, MA, MO, MS, NC, NJ, NY, OH, OK, ON, PA, TN, TX, VA, WI, WV
• Periplaneta americana American Cockroach GNR
• Perissopalla flagellisetula AL
• Peromyscopsylla hesperomys GNR TN
• Peromyscus attwateri Attwater's Mouse G5 AR
• Peromyscus boylii Brush Deermouse G5 NM
• Peromyscus gossypinus Cotton Deermouse G5 FL
• Peromyscus leucopus White-Footed Deermouse G5 IN, KY, NM, TN
• Peromyscus maniculatus Deer Mouse G5 IL
• Perpolita binneyana Blue Glass
• Petrochelidon pyrrhonota American Cliff Swallow G5 OK
• Phagocata angusta G1 WV
• Phagocata bursaperforata AL
• Phagocata carolinensis G1G2 NC
• Phagocata gracilis Slender Spring Flatworm G5 IL, IN, KY, MO, OH, PA, VA
• Phagocata holleri Holler's Cave Flatworm G1G2 NC
• Phagocata morgani G4 AL, KY, MD, NC, NY, VA, VT, WV
• Phagocata notorchis TN
• Phagocata oregonensis Oregon Cave Flatworm G1G2 OR
• Phagocata procera G1G2 NC
• Phagocata pygmaea NC
• Phagocata spuria NC
• Phalangodes armata G3G4 IN, KY
• Phanetta subterranea Subterranean Sheetweb Spider G5 AL, AR, GA, IL, IN, KY, MO, NC, OH, TN, VA, WV
• Phaonia soccata GNR
• Phelister fulvulus
• Phelister luculentus Escarabajo Payaso
• Phenacomys intermedius Heather Vole G5
• Pheretima rodericensis
• Phidippus purpuratus Marbled Purple Jumper G5
• Philomycus carolinianus Carolina Mantleslug G5 FL
• Philomycus togatus Toga Mantleslug G5 IL, KY
• Philonthus cyanipennis Staph Beetle GA
• Philonthus lomatus G5 IN
• Phoberus capensis
• Phoberus pusillus
• Phoberus sulcatus Grooveneck Keratin Beetle
• Pholcus dade GA
• Pholcus jusahi VA
• Pholcus lanieri GA
• Pholcus phalangioides Cosmopolitan Cellar Spider GNR IL, KY, NM, TN
• Phoxinus erythrogaster KY
• Phreatoceras taylori Nymph trumpet G1G2 TX
• Phreatodrobia bulla TX
• Phreatodrobia conica Hueco Cavesnail G1 TX
• Phreatodrobia coronae G1G2 TX
• Phreatodrobia embossa TX
• Phreatodrobia imitata Mimic cavesnail G1 TX
• Phreatodrobia micra Flattened Cavesnail G2G3 AL, TX
• Phreatodrobia nugax Domed Cavesnail G1G2 TX
• Phreatodrobia plana Disc cavesnail G2 TX
• Phreatodrobia punctata High-hat cavesnail G2 TX
• Phreatodrobia rotunda Beaked cavesnail G1G2 TX
• Phreatodrobia spica Spiky Cavesnail GNR TX
• Phronia exigua GNR
• Phronia flavipes GNR
• Phronia incerta IN
• Physella acuta European Physa IL, MO
• Physella gyrina Tadpole Physa G5 GA
• Physella spelunca Cave Physa G1 WY
• Physocyclus enaulus NM
• Physocypria denticulata TX
• Physocypria globula TX
• Pimephales promelas Fathead Minnow (Rosy Reds) G5 KY
• Pimoa altioculata GNR
• Pinodytes pusio CA
• Pinodytes rothi OR
• Pirata alachuus GNR GA
• Pirata sedentarius GNR IL, TN
• Piratula insularis Lonely Wolf Spider G5 GA
• Pisaurina mira Nursery Web Spider G5 AL, IL
• Plathemis lydia Common Whitetail or Long-Tailed Skimmer G5 MO
• Platynus angustatus GNR KY
• Platynus cincticollis GNR IN
• Platynus parmarginatus GNR GA
• Platynus tenuicollis Slender Ground Beetle G5 AL, AR, IL, IN, KY, MO, TN, VA
• Plestiodon fasciatus Common Five-Lined Skink G5 AR, KY
• Plethodon albagula Western Slimy Salamander G5 AR, OK
• Plethodon angusticlavius Ozark Salamander G4 AR, OK
• Plethodon caddoensis Caddo Mountain Salamander G2
• Plethodon cinereus Eastern Red-Backed Salamander G5 IN, OH
• Plethodon dorsalis Northern Zigzag Salamander G5 IL, IN, KY, TN
• Plethodon glutinosus Northern Slimy Salamander G5 AL, GA, IL, IN, KY, OH, TN, VA
• Plethodon grobmani Southeastern Slimy Salamander G5 FL
• Plethodon petraeus Pigeon Mountain Salamander G2 GA
• Plethodon richmondi Ravine Salamander G5 KY, WV
• Plethodon serratus Southern Red-Backed Salamander G5 AR, GA
• Plethodon ventralis Southern Zigzag Salamander G4 AL, GA, TN
• Plethodon websteri Webster's Salamander G3 AL
• Plumatyla humerosa G2G3 CA
• Plutomurus californicus G2G3 CA, Mexico
• Plutomurus grahami G1 NM
• Pnyxia scabiei Potato Scab Gnat KY
• Poecilochirus carabi TN
• Poecilophysis extraneostella G2 VA, WV
• Poecilophysis pratensis Mite WV
• Poecilophysis weyerensis G3 IN, KY, TN, VA, WV
• Pogonognathellus bidentatus GNR AL, GA, IL, KY, TN, VA
• Pogonognathellus danieli VA
• Pogonognathellus dubius Ghost Silver Bullet Springtail GNR AL, GA, KY, TN
• Pogonognathellus flavescens AL, GA, IA, IL, IN, KY, MO, WI
• Pogonognathellus nigritus IL, TN
• Polycentropus barri G3 KY
• Polycentropus elarus G3 KY
• Polydesmus inconstans European Sculpted Millipede G4 IL, PA
• Polydrusus impressifrons Pale Green Weevil GNR
• Polygonia comma Eastern Comma G5 KY
• Polynoncus gemmingeri
• Pomatiopsis lapidaria Slender Walker G5 IL, TN
• Pomoxis nigromaculatus Black Crappie G5 FL
• Ponera pennsylvanica Common Porthole Ant G5 KY
• Porcellio laevis Smooth Slater TN
• Porcellio scaber Common Rough Woodlouse GNR IN
• Porcellio spinicornis Painted Woodlouse GNR
• Porrhomma cavernicola Appalachian Cave Spider G5 AL, AR, GA, IA, IL, IN, KY, MD, MO, NC, OK, ON, PA, TN, VA, WV
• Porrhomma egeria Kelderkleinoogje
• Porrhomma terrestre Terrestrial Wide-Eyed Sheetweaver GNR IL
• Potamocypris fulva GA
• Potamothrix bavaricus Aquatic Oligochaete Worm TX
• Pratherodesmus despaini CA
• Pratherodesmus ecclesia AZ
• Pratherodesmus voylesi AZ
• Prenolepis imparis American Winter Ant G5 AL
• Prietella phreatophila Mexican Blindcat GNR Mexico, TX
• Primicimex cavernis TX
• Prionochaeta opaca Small Carrion Beetle G5 AL, FL, GA, IL, IN, KY, MO, NC, TN
• Pristiloma subrupicola Southern Tightcoil
• Pristina leidyi Aquatic Oligochaete Worm GNR SC
• Procambarus acherontis Orlando Cave Crayfish G1 FL
• Procambarus alleni Everglades Crayfish G4 FL
• Procambarus attiguus Silver Glen Springs Cave Crayfish G1 FL
• Procambarus blandingii Santee Crayfish G4
• Procambarus clarkii Red Swamp Crayfish G5 TX
• Procambarus cuevachicae
• Procambarus delicatus Bigcheek Cave Crayfish G1 FL
• Procambarus erythrops Santa Fe Cave Crayfish G1 FL
• Procambarus fallax Slough Crayfish G5 FL
• Procambarus franzi Orange Lake Cave Crayfish G1 FL
• Procambarus horsti Big Blue Spring Cave Crayfish G1 FL
• Procambarus leitheuseri Coastal Lowland Cave Crayfish G1G2 FL
• Procambarus lucifugus Light-fleeing Cave Crayfish G1G2 FL
• Procambarus milleri Miami Cave Crayfish G1 FL
• Procambarus morrisi Putnum County Cave Crayfish G1 FL
• Procambarus orcinus Woodville Karst Cave Crayfish G1 FL
• Procambarus paeninsulanus Peninsula Crayfish G5 FL
• Procambarus pallidus Pallid Cave Crayfish G1G2 FL, GA
• Procambarus pilosimanus
• Procambarus spiculifer White Tubercled Crayfish G5 FL
• Procambarus toltecae Toltecae Crayfish
• Procambarus versutus Sly Crayfish G5 FL
• Procambarus villalobosi
• Procaris hawaiana G1 HI
• Proceratium micrommatum
• Procladius bellus GNR GA
• Procyon lotor Common Raccoon G5 AL, AR, FL, GA, IL, IN, KY, OK, TN, VA
• Progomphus obscurus Common Sanddragon G5 GA
• Progradungula carraiensis Carrai Cave Spider
• Proisotoma frisoni IA
• Proisotoma minuta Springtail GNR MN
• Proisotoma sepulcralis IL
• Proisotoma veca IA
• Proisotoma vesiculata IA
• Prosimulium mixtum Mixed-Up Black Fly G5
• Prosimulium saltus GA
• Prostoma graecense GA
• Proteocephalus poulsoni KY
• Protolimnesia ventriplacophora TX
• Psephenus herricki Herrick's Water Penny Beetle G5 KY
• Pseudachorutes aureofasciatus GNR IA, IL
• Pseudachorutes saxatilis GNR IL
• Pseudachorutes subcrassoides IA
• Pseudacris crucifer Spring Peeper G5 AL, AR, FL, GA, OK
• Pseudacris feriarum Southeastern Chorus Frog G5 AL, GA
• Pseudacris triseriata Striped Chorus Frog G5 IL
• Pseudanophthalmus abditus Concealed Cave Beetle G3 KY
• Pseudanophthalmus acherontis Echo Cave Beetle G1 TN
• Pseudanophthalmus alabamae Alabama Cave Beetle G2 AL
• Pseudanophthalmus alladini Alladin's Cave Beetle G3G4 AL
• Pseudanophthalmus assimilis West Wills Valley Cave Beetle G1G2 AL
• Pseudanophthalmus audax Bold Cave Beetle G1G2 KY
• Pseudanophthalmus avernus Avernus Cave Beetle G1 VA
• Pseudanophthalmus barberi G2G3 KY
• Pseudanophthalmus barri G1G2 IN
• Pseudanophthalmus beakleyi Beakley's Cave Beetle G3G4 KY, TN
• Pseudanophthalmus bendermani Benderman's Cave Beetle G1G2 TN
• Pseudanophthalmus caecus Clifton Cave Beetle G1 KY
• Pseudanophthalmus calcareus Limestone Cave Beetle G1 KY
• Pseudanophthalmus catherinae Catherine's Cave Beetle G1 TN
• Pseudanophthalmus catoryctos Lesser Adams Cave Beetle G1 KY
• Pseudanophthalmus cerberus G3G4 KY, TN
• Pseudanophthalmus chthonius G3 IN, KY
• Pseudanophthalmus ciliaris G3G4 KY, TN
• Pseudanophthalmus cnephosus Larue County Cave Beetle G1G2 KY
• Pseudanophthalmus colemanensis Coleman Cave Beetle G1 TN
• Pseudanophthalmus conditus Hidden Cave Beetle G1G2 KY
• Pseudanophthalmus cordicollis Little Kennedy Cave Beetle G1 VA
• Pseudanophthalmus cumberlandus G1G2 TN
• Pseudanophthalmus darlingtoni G3 KY
• Pseudanophthalmus deceptivus Deceptive Cave Beetle G1 VA
• Pseudanophthalmus delicatus Delicate Cave Beetle G3G4 TN, VA
• Pseudanophthalmus desertus G3 KY
• Pseudanophthalmus digitus G1G2 GA, TN
• Pseudanophthalmus distinguens G1G2 AL, VA
• Pseudanophthalmus egberti New River Valley Cave Beetle G1 VA
• Pseudanophthalmus elongatus G1G2 KY
• Pseudanophthalmus emersoni G1 IN
• Pseudanophthalmus englehardti Englehardt's Cave Beetle G1 TN
• Pseudanophthalmus eremita G1G2 IN, KY, OH
• Pseudanophthalmus exiguus G3G4 KY
• Pseudanophthalmus exoticus Exotic Cave Beetle G1 KY
• Pseudanophthalmus farrelli G1G2 TN
• Pseudanophthalmus fastigatus Tapered Cave Beetle G1 GA
• Pseudanophthalmus fluviatilis G3 AL
• Pseudanophthalmus fowlerae Fowler's Cave Beetle G1 TN
• Pseudanophthalmus frigidus Icebox Cave Beetle G1 KY
• Pseudanophthalmus fulleri G2G3 AL, GA, TN
• Pseudanophthalmus fuscus G4 WV
• Pseudanophthalmus georgiae Georgia Cave Beetle G1G2 GA
• Pseudanophthalmus globiceps G1 KY
• Pseudanophthalmus gracilis Clover Hollow Cave Beetle G1G2 VA
• Pseudanophthalmus grandis G4 WV
• Pseudanophthalmus hadenoecus Timber Ridge Cave Beetle G1 WV
• Pseudanophthalmus henroti GNR WV
• Pseudanophthalmus hesperus G1 TN
• Pseudanophthalmus higginbothami G2 WV
• Pseudanophthalmus hirsutus Cumberland Gap Cave Beetle G1G2 TN, VA
• Pseudanophthalmus hoffmani Hoffman's Cave Beetle G2G3 VA
• Pseudanophthalmus holsingeri Holsinger's Cave Beetle G1 VA
• Pseudanophthalmus horni Garman's Cave Beetle G3 KY
• Pseudanophthalmus hortulanus Garden Cave Beetle G1 VA
• Pseudanophthalmus hubbardi Hubbard's Cave Beetle G1 VA
• Pseudanophthalmus hubrichti Hubricht's Cave Beetle G1 VA
• Pseudanophthalmus humeralis G2 TN
• Pseudanophthalmus hypertrichosis G3 WV
• Pseudanophthalmus hypolithos G1 KY
• Pseudanophthalmus illinoisensis Illinois Cave Beetle G1 IL
• Pseudanophthalmus inexpectatus Surprising Cave Beetle G1G2 KY
• Pseudanophthalmus inquisitor Inquirer Cave Beetle G1 TN
• Pseudanophthalmus insularis Baker Station Cave Beetle G1 TN
• Pseudanophthalmus intermedius Intermediate Cave Beetle G2 TN
• Pseudanophthalmus intersectus Crossroads Cave Beetle G1G2 VA
• Pseudanophthalmus jonesi Grassy Cove Cave Beetle G1G2 AL, TN
• Pseudanophthalmus krameri Kramer's Cave Beetle G1 OH
• Pseudanophthalmus krekeleri Rich Mountain Cave Beetle GX WV
• Pseudanophthalmus lallemanti G1 WV
• Pseudanophthalmus leonae G1 IN
• Pseudanophthalmus limicola Maddens Cave Beetle G1G2 VA
• Pseudanophthalmus lodingi G1G2 AL
• Pseudanophthalmus loganensis G2G3 KY, TN
• Pseudanophthalmus longiceps Long-headed Cave Beetle G1G2 TN, VA
• Pseudanophthalmus macradyi Macrady's Cave Beetle G1G2 TN
• Pseudanophthalmus major Beaver Cave Beetle G1 KY
• Pseudanophthalmus menetriesi G3 KY
• Pseudanophthalmus meridionalis G2 AL
• Pseudanophthalmus montanus Dry Fork Valley Cave Beetle G1 WV
• Pseudanophthalmus nelsoni Nelson's Cave Beetle G2 VA
• Pseudanophthalmus nickajackensis Nickajack Cave Beetle G1 AL, TN
• Pseudanophthalmus nortoni Norton's Cave Beetle G1 TN
• Pseudanophthalmus occidentalis Western Cave Beetle G1G2 TN
• Pseudanophthalmus ohioensis Ohio Cave Beetle G1 OH
• Pseudanophthalmus orientalis Surprising Cave Beetle G2G3 KY
• Pseudanophthalmus orthosulcatus G1 WV
• Pseudanophthalmus packardi Packard's Cave Beetle G1G2 KY
• Pseudanophthalmus pallidus Pale Cave Beetle G1G2 TN
• Pseudanophthalmus paradoxus Ridetop Cave Beetle G1 TN
• Pseudanophthalmus parvicollis Hupps Hill Cave Beetle G1 VA
• Pseudanophthalmus parvus Tatum Cave Beetle GH KY
• Pseudanophthalmus paulus Nobletts Cave Beetle G1 TN
• Pseudanophthalmus paynei Payne's Cave Beetle G1 TN
• Pseudanophthalmus petrunkevitchi Petrunkevitch's Cave Beetle G1G2 VA
• Pseudanophthalmus pholeter Greater Adams Cave Beetle G1 KY
• Pseudanophthalmus pilosus G2G3 KY
• Pseudanophthalmus pontis Natural Bridge Cave Beetle G1 VA
• Pseudanophthalmus potamaca South Branch Valley Cave Beetle G3G4 VA, WV
• Pseudanophthalmus praetermissus Overlooked Cave Beetle G1 VA
• Pseudanophthalmus princeps G1G2 KY, TN
• Pseudanophthalmus productus G3G4 TN
• Pseudanophthalmus profundus G2 AL
• Pseudanophthalmus pubescens G3 KY
• Pseudanophthalmus punctatus Spotted Cave Beetle G2 VA
• Pseudanophthalmus pusillus Tiny Cave Beetle G1 TN
• Pseudanophthalmus pusio Ellet Valley Cave Beetle G2G3 VA
• Pseudanophthalmus puteanus Old Well Cave Beetle G1G2 KY
• Pseudanophthalmus quadratus Straley's Cave Beetle G1 VA
• Pseudanophthalmus rittmani G1G2 KY
• Pseudanophthalmus robustus Robust Cave Beetle G3G4 TN
• Pseudanophthalmus rogersae Roger's Cave Beetle G1 KY
• Pseudanophthalmus rotundatus Rotund Cave Beetle G2 TN, VA
• Pseudanophthalmus sanctipauli Saint Paul Cave Beetle G1G2 VA
• Pseudanophthalmus scholasticus Schoolhouse Cave Beetle G1 KY
• Pseudanophthalmus scutilis G1 TN
• Pseudanophthalmus seclusus Rye Cove Cave Beetle G2G3 VA
• Pseudanophthalmus senecae Seneca Cave Beetle G1 WV
• Pseudanophthalmus sequoyah Sequoyah Cave Beetle G1 AL
• Pseudanophthalmus sericus Silken Cave Beetle G1 VA
• Pseudanophthalmus shilohensis Shiloh Cave Beetle G2 IN
• Pseudanophthalmus sidus Meredith Cave Beetle G1 TN
• Pseudanophthalmus simplex Simple Cave Beetle G1G2 TN
• Pseudanophthalmus simulans Cub Run Cave Beetle G1 KY
• Pseudanophthalmus solivagus G1G2 KY
• Pseudanophthalmus steevesi Steeves' Cave Beetle G1G2 AL
• Pseudanophthalmus striatus G2G3 KY
• Pseudanophthalmus stricticollis Marengo Cave Beetle G4 IL, IN
• Pseudanophthalmus sylvaticus GNR WV
• Pseudanophthalmus templetoni Templeton's Cave Beetle G1 TN
• Pseudanophthalmus tenebrosus Stevens Creek Cave Beetle G1 KY
• Pseudanophthalmus tennesseensis G3 TN
• Pseudanophthalmus tenuis G4 IN
• Pseudanophthalmus thomasi Thomas' Cave Beetle G1G2 VA
• Pseudanophthalmus tiresias Indian Grave Point Cave Beetle G1 TN
• Pseudanophthalmus transfluvialis G1G2 KY
• Pseudanophthalmus troglodytes Louisville Cave Beetle G1 KY
• Pseudanophthalmus tullahoma Duck River Cave Beetle G1G2 TN
• Pseudanophthalmus umbratilis G2G3 KY
• Pseudanophthalmus unionis Union County Cave Beetle G1G2 TN
• Pseudanophthalmus valentinei Valentine's Cave Beetle G3G4 TN
• Pseudanophthalmus vanburenensis G1 TN
• Pseudanophthalmus ventus Blowing Cave Beetle G1 TN
• Pseudanophthalmus vicarius Vicariant Cave Beetle G2G3 VA
• Pseudanophthalmus virginicus Maiden Spring Cave Beetle G1 VA
• Pseudanophthalmus wallacei Wallace's Cave Beetle G1 TN
• Pseudanophthalmus youngi Young's Cave Beetle G3G4 IN
• Pseudemys peninsularis Peninsular Cooter G5 FL
• Pseudobaicalasellus bowmani Natural Bridge Cave Isopod G1 VA
• Pseudobaicalasellus henroti Henrot's Cave Isopod G2 VA
• Pseudobaicalasellus holsingeri Holsinger's Cave Isopod G5 MD, VA, WV
• Pseudobaicalasellus incurvus Incurved Cave Isopod G2G4 TN, VA
• Pseudobaicalasellus magniezi VA
• Pseudobaicalasellus mausi G2 MD, VA
• Pseudobaicalasellus vandeli Vandel's Cave Isopod G3G4 MD, VA
• Pseudocandona albicans GNR TX
• Pseudocandona jeanneli Jeannel's Cave Ostracod G3 IN, KY, TN
• Pseudocandona marengoensis Marengo Cave Ostracod G1G2 IN
• Pseudogarypus hypogeus G1G2 AZ
• Pseudogarypus orpheus Music Hall Cave Pseudoscorpion G1 CA
• Pseudogarypus speleus G1G2 CA
• Pseudoleria parvitarsus GNR NM
• Pseudopolydesmus erasus TN
• Pseudopolydesmus pinetorum GNR AL, AR, GA, IL
• Pseudopolydesmus serratus Common Pink Flat-Back G5 AL, IN, PA, TN
• Pseudosinella aera G4 IL, TN
• Pseudosinella alba GNR MN, TN
• Pseudosinella argentea GNR AL, AR, IL, KY, MO, TN
• Pseudosinella bona G2 VA
• Pseudosinella boneti KY, TN
• Pseudosinella certa Gandy Creek Cave Springtail G1 WV
• Pseudosinella christianseni Christiansen's Cave Springtail G5 AL, GA, KY, TN, VA
• Pseudosinella collina GNR AL, TN
• Pseudosinella dubia G3 AR, Mexico, OK
• Pseudosinella duodecimpunctata KY, MO, TN, VA
• Pseudosinella erehwon G2 VA
• Pseudosinella espana Espana Cave Springtail G3 MO, Mexico, TN
• Pseudosinella espanita G1 KY, TN
• Pseudosinella extra G1G2 VA
• Pseudosinella flatua G1G2 NC, VA
• Pseudosinella folsomi GNR AL, MO
• Pseudosinella fonsa Fountain Cave Springtail G3G4 IN, OH, TN
• Pseudosinella georgia GA
• Pseudosinella gisini G3G4 Mexico, NC, TN, VA, WV
• Pseudosinella gisini carolina NC
• Pseudosinella gisini virginia VA
• Pseudosinella granda G3 VA
• Pseudosinella hirsuta Hirsute Cave Springtail G5 AL, GA, KY, Mexico, TN, VA
• Pseudosinella josemarii GNR WV
• Pseudosinella meganporteri G2 WV
• Pseudosinella nata G1 AL, Mexico, TN
• Pseudosinella ops VA
• Pseudosinella orba G3G4 KY, Mexico, NC, TN, VA, WV
• Pseudosinella pecki Peck's Cave Springtail G2G3 AL, FL, GA, NC, TN
• Pseudosinella rolfsi GNR AL
• Pseudosinella sexoculata KY, NM
• Pseudosinella spinosa Spiny Cave Springtail G5 AL, GA, Mexico, TN
• Pseudosinella testa Shelled Cave Springtail G2G3 AR, Mexico, VA, WV
• Pseudosinella vespera G2 NC, VA
• Pseudosinella violenta GNR AL, IA, TX, WI
• Pseudosinella vita G1G2 Mexico, NM
• Pseudotremia acheron G1G2 TN
• Pseudotremia aeacus G1G2 GA
• Pseudotremia amphiorax G1G2 KY
• Pseudotremia armesi G2 WV
• Pseudotremia barri Barr's Cave Millipede G2 TN
• Pseudotremia blacki Black's Cave Milliped G1 IN
• Pseudotremia burnsorum Burn's Cave Milliped G1G2 IN
• Pseudotremia callae Call's Cave Milliped G1 TN
• Pseudotremia carterensis G2G3 IN, KY
• Pseudotremia cavernarum Ellett Valley Pseudotremia Millipede G2G3 IN, KY, TN, VA
• Pseudotremia cerberus Cerberus Cave Milliped G1 VA
• Pseudotremia cercops G1 TN
• Pseudotremia cocytus TN
• Pseudotremia conservata TNC Cave Milliped G1G2 IN
• Pseudotremia contorta Twisted-gonopod Cave Milliped G1 VA
• Pseudotremia cookorum Cook's Cave Milliped G1G2 IN
• Pseudotremia culveri Culver's Cave Milliped G1 VA
• Pseudotremia deprehendor G1 TN, VA
• Pseudotremia douglasi Douglas' Cave Milliped G1 TN
• Pseudotremia eburnea G2G4 AL, GA, TN, VA
• Pseudotremia fergusoni Ferguson's Cave Milliped G1 VA
• Pseudotremia fongi GNR WV
• Pseudotremia fracta GA, TN
• Pseudotremia fulgida Greenbrier Valley Cave Millipede G3 WV
• Pseudotremia garlandae Garland's Cave Millipede G1 TN
• Pseudotremia handi GNR WV
• Pseudotremia hobbsi G4 VA, WV
• Pseudotremia hoffmani Hoffman's Cave Millipede GNR TN
• Pseudotremia hollidayi Holliday's Cave Milliped G1 TN
• Pseudotremia hubbardi Hubbard's Cave Milliped G1G2 VA
• Pseudotremia indianae Blue River Cave Millipede G4 IN
• Pseudotremia inexpectata Devault's Cave Milliped G1 VA
• Pseudotremia jaculohamatum Harpoon Cave Milliped G1 VA
• Pseudotremia johnholsingeri Holsinger's Cave Milliped G1 VA
• Pseudotremia kerboi GNR WV
• Pseudotremia laudermilki Laudermilk's Cave Millipede GNR KY
• Pseudotremia lethe G1 TN
• Pseudotremia lictor G1 TN
• Pseudotremia loomisi Loomis's Rough-backed Millipede G1 VA
• Pseudotremia lusciosa Germany Valley Cave Millipede G1 WV
• Pseudotremia manni Mann's Cave Millipede G1 TN
• Pseudotremia merops G1 KY
• Pseudotremia minos G1 AL, TN
• Pseudotremia momus G2 VA
• Pseudotremia nefanda Clark Cave Millipede G3G4 IN
• Pseudotremia nodosa G4 TN, VA
• Pseudotremia nyx G1 AL
• Pseudotremia orndorffi Orndorff's Cave Milliped G2 VA
• Pseudotremia peponocranium Pumpkin-headed Cave Milliped G1 VA
• Pseudotremia piscator Fisher Cave Milliped G1 VA
• Pseudotremia princeps South Branch Valley Cave Millipede G1 WV
• Pseudotremia purselli Pursell's Cave Milliped G1 IN
• Pseudotremia reynoldsae Reynolds Cave Millipede G1 IN
• Pseudotremia rhadamanthus G1G2 AL, TN
• Pseudotremia roebuckorum Roebuck's Cave Millipede G1 TN
• Pseudotremia ryensis Rye Cove Cave Milliped G1 VA
• Pseudotremia salifodina Jones' Saltpetre Cave Milliped G1 VA
• Pseudotremia salisae Salisa's Cave Milliped G2 IN, OH
• Pseudotremia schneiderae GNR WV
• Pseudotremia sheari Shear's Cave Millipede GNR TN
• Pseudotremia shelleyi Shelley's Cave Millipede GNR NC
• Pseudotremia spira G1 KY
• Pseudotremia styx GNR KY
• Pseudotremia tuberculata G3 VA
• Pseudotremia unca G1 KY
• Pseudotremia valga G1G2 TN, VA
• Pseudotremia wallaceae Wallace's Cave Millipede G1 TN
• Pseudotremia withersi Withers' Cave Millipede G1 TN
• Pseudotriton montanus Mud Salamander G5 KY
• Pseudotriton ruber Red Salamander G5 AL, GA, KY, TN
• Psilochorus cordatus
• Psychoda cinerea GNR KY
• Psychoda minuta GNR IN
• Psychoda phalaenoides GNR
• Psychoda pusilla GA
• Psychoda reevesi GA, TN
• Psychoda satchelli GNR
• Psychoda umbracola IL, TN
• Psychopomporus felipi GNR TX
• Psyllipsocus ramburii Cave Barklouse GNR AL, GA, IA, KY, NM, OK, TN
• Ptenothrix atra GNR IL, TN
• Ptenothrix marmorata GNR TN
• Ptenothrix quadrangularis TN
• Pteronotropis harperi Redeye Chub FL
• Pteronotus rubiginosus Wagner's Common Mustached Bat
• Pterostichus coracinus G5 AL, IL
• Pterostichus lachrymosus G5
• Pterostichus relictus GNR AL, GA
• Pterygoplichthys disjunctivus Vermiculated Sailfin Catfish GNR FL
• Ptomaphagus appalachianus AL, GA
• Ptomaphagus barri G2G3 TN
• Ptomaphagus bedfordensis TN
• Ptomaphagus californicus GNR CA
• Ptomaphagus cavernicola G4 AL, AR, FL, GA, IA, IL, MO, OK, TX
• Ptomaphagus chromolithus G2G3 AL, TN
• Ptomaphagus cocytus G1G2 AZ
• Ptomaphagus consobrinus GNR AL
• Ptomaphagus cumberlandus AL
• Ptomaphagus elabra
• Ptomaphagus episcopus G1G2 AL
• Ptomaphagus fecundus G1 TN
• Ptomaphagus fiskei G1G2 GA
• Ptomaphagus fumosus GA
• Ptomaphagus giaquintoi
• Ptomaphagus gypsum
• Ptomaphagus hatchi Hatch's Cave Fungus Beetle G3 AL, TN
• Ptomaphagus hazelae G1G2 AL
• Ptomaphagus hirtus Kentucky Cave Beetle G4 KY
• Ptomaphagus hubrichti G2G3 TN
• Ptomaphagus inyoensis CA
• Ptomaphagus julius G1G2 AL
• Ptomaphagus laticornis G1G2 AL
• Ptomaphagus leo
• Ptomaphagus loedingi G1G2 AL
• Ptomaphagus longicornis G3G4 AL
• Ptomaphagus nashvillensis TN
• Ptomaphagus neojonesi AL
• Ptomaphagus parashant AZ
• Ptomaphagus shapardi AR, OK
• Ptomaphagus solanum G1 AL
• Ptomaphagus spelaeus
• Ptomaphagus torodei Torode's Cave Fungus Beetle G1G2 AL
• Ptomaphagus ulkei AL
• Ptomaphagus valentinei Valentine's Cave Fungus Beetle G3G4 AL
• Ptomaphagus walteri G1G2 AL
• Ptomaphagus whiteselli G2G3 AL, GA
• Ptyoiulus impressus Flocculent Tailed Millipede G5
• Puliciphora suavis AL
• Puliciphora virginiensis GA
• Pupoides albilabris IL
• Pygmarrhopalites altus G2G3 KY
• Pygmarrhopalites arcus GNR ID
• Pygmarrhopalites ashcraftensis G1 IN
• Pygmarrhopalites ater Black Medusa Cave Springtail G3 IL, IN
• Pygmarrhopalites benitus G1 TN
• Pygmarrhopalites bimus G3G4 IA, IN, KY, TN
• Pygmarrhopalites buffaloensis AR
• Pygmarrhopalites caedus G3 VA
• Pygmarrhopalites carolynae Carolyn's Cave Springtail G4 IL, IN, VA, WV
• Pygmarrhopalites clarus Clarus Cave Springtail G4 AR, MO, SD, VA, WA, WI, WV
• Pygmarrhopalites commorus G2G3 VA, WV
• Pygmarrhopalites dubius G2G3 AR, IA, MN
• Pygmarrhopalites fransjanssens IL
• Pygmarrhopalites hirtus GNR IA, IL, WI
• Pygmarrhopalites hubbardi CO
• Pygmarrhopalites incantator IL
• Pygmarrhopalites jay G2G3 OK
• Pygmarrhopalites lacuna G1G2 VA
• Pygmarrhopalites leonardwoodensis MO
• Pygmarrhopalites lewisi Lewis' Cave Springtail GNR IL, IN
• Pygmarrhopalites madonnensis Madonna Cave Springtail GNR IL
• Pygmarrhopalites marshalli G3 TN, VA
• Pygmarrhopalites obtusus G1 VA
• Pygmarrhopalites pavo G3 IN, MO, TN, VA, WV
• Pygmarrhopalites plethorasari MO
• Pygmarrhopalites pygmaeus GNR AL, AR, GA, IA, IL, KY, MO, TN, VA
• Pygmarrhopalites sacer G2 VA, WV
• Pygmarrhopalites salemensis IL
• Pygmarrhopalites sapo IL
• Pygmarrhopalites sextus G1 VA
• Pygmarrhopalites shoshoneiensis NV
• Pygmarrhopalites silvus G2 VA
• Pygmarrhopalites texensis G3G4 TX
• Pygmarrhopalites youngsteadtii AR
• Pylodictis olivaris Flathead Catfish G5 FL
• Quedius alesi OK
• Quedius capucinus G5 KY
• Quedius erythrogaster G5 AL, GA, IL, TN, VA
• Quedius fulgidus Large Rove Beetle GNR AL, GA, IL, IN, KY
• Quedius mesomelinus Staph Beetle GNR IA, MN
• Quedius spelaeus GNR IA, IL, IN, WI
• Remasellus parvus G1G2 FL
• Rhadine austinica G1G2 TX
• Rhadine babcocki TX
• Rhadine bullis GNR TX
• Rhadine caudata G3 AL, GA, KY, TN
• Rhadine exilis G3 TX
• Rhadine grubbsi TX
• Rhadine howdeni TX
• Rhadine infernalis G2G3 TX
• Rhadine insolita G1G2 TX
• Rhadine ivyi TX
• Rhadine koepkei G1 TX
• Rhadine larvalis GNR AL, FL, GA, IL
• Rhadine longicollis NM, TX
• Rhadine noctivaga G1G2 TX
• Rhadine ozarkensis GH AR
• Rhadine persephone Tooth Cave Beetle G1G2 TX
• Rhadine reyesi GNR TX
• Rhadine rubra TX
• Rhadine russelli G1G2 TX
• Rhadine speca G2 TX
• Rhadine sprousei TX
• Rhadine subterranea G2 TX
• Rhadine tenebrosa G1G2 TX
• Rhagidia diversicolor WV
• Rhagidia varia G5 VA, WV
• Rhamdia quelen Silver Catfish
• Rhantus suturalis Cosmopolitan Diving Beetle MO
• Rheocyclops indiana Indiana Groundwater Copepod G1 IN, TN
• Rheocyclops virginianus VA
• Rhinichthys obtusus Western Blacknose Dace G5 AL
• Rhinocricus ocraceus
• Rhinotus panamanus
• Rhyacodrilus sodalis Aquatic Oligochaete Worm GNR WV
• Rhyacophila nigrita KY
• Robustocheles hilli AZ, GA, IN, KY, TN, VA, WA, WV
• Robustocheles occulta G2G3 AB, IA, WA
• Rotomelita ana G1G2 HI
• Rotomelita lokoa G1G2 HI
• Rudiloria trimaculata G5 VA
• Rudolfina cavernicola CO
• Rugathodes sexpunctatus Common Six-Spotted Cobweaver G5
• Rugilus dentatus GNR MO
• Rugosuscandona scharfi TX
• Ryloviella pilosa IN, KY
• Rymosia fasciata IN
• Rymosia filipes GNR IN, TN
• Rymosia triangularis GNR AL, IL
• Sabacon cavicolens North American Cavernicolous Harvestman GNR AL, AR, GA, IL, KY, MT, TN
• Saetigerocreagris phyllisae G1 CA
• Sagittocythere barri G5 AL, IN, KY, TN
• Sagittocythere stygia G1 KY
• Salmasellus howarthi GNR OR, WA
• Salmasellus steganothrix G2 AB, MT
• Satan eurystomus Widemouth Blindcat G1G2 TX
• Sayornis phoebe Eastern Phoebe G5 AL, AR, FL, GA, IL, KY, OK, TN, VA
• Scalopus aquaticus Eastern Mole G5 KY
• Scaphinotus andrewsii Andrew's Snail-Eating Beetle KY
• Scaphinotus unicolor AL
• Scatopse notata Black Compost Fly GNR IL
• Sceloporus undulatus Eastern Fence Lizard G5 AR, KY
• Schaefferia asymmetrica CO
• Schaefferia steinmanni CO
• Schaefferia unica CO
• Schizocosa ocreata Brush-Legged Split Wolf Spider G5 IL
• Schizocosa saltatrix G5
• Schornikovdona bellensis TX
• Schrankia howarthi HI
• Sciaphilus asperatus Strawberry Root Weevil GNR
• Scincella lateralis Ground Skink G5 AL, AR
• Sciodrepoides latinotum GNR MO
• Sciodrepoides terminans G5 GA
• Sciurus carolinensis Eastern Gray Squirrel G5 AL, AR, KY
• Sclerobunus cavicolens G1G2 MT
• Sclerobunus jemez NV
• Sclerobunus klomax GNR NM
• Sclerobunus madhousensis G1G2 UT
• Sclerobunus speoventus CO
• Sclerobunus steinmanni CO
• Sclerobunus ungulatus G1G2 NV
• Scoliocentra brachypterna GNR GA, IA, IL, IN, KY
• Scoliocentra fraterna GNR IN
• Scoliocentra tincta IN
• Scoliopteryx libatrix Herald Moth G5 AL, GA, IA, IL, IN, KY, OK, TN
• Scolopocryptops sexspinosus Eastern Fire Centipede GNR AL, GA, MO, TN
• Scoterpes alabama Alabama Cave Millipede AL
• Scoterpes austrinus G3G4 AL, GA
• Scoterpes blountensis TN
• Scoterpes copei G3G4 GA, KY, TN
• Scoterpes hesperus TN
• Scoterpes jackdanieli TN
• Scoterpes musicarustica TN
• Scoterpes nudus GA
• Scoterpes sollmani Sollman's Cave Millipede G1 IN
• Scoterpes stewartpecki Peck's Cave Millipede AL, TN
• Scoterpes syntheticus AL
• Scoterpes tombarri Barr's Cave Millipede KY, TN
• Scoterpes tricorner TN
• Scoterpes ventus G3 TN
• Scoterpes willreevesi Reeves' Cave Millipede AL, GA
• Scotinella redempta GNR IL
• Scutacarus strinatii IA
• Scutigera coleoptrata House Centipede GNR IL
• Scytodes intricata Spitting Spiders
• Scytonotus australis TN
• Scytonotus granulatus Granulated Millipede G5 AL, IN, KY, PA, TN
• Seborgia hershleri G1G2 TX
• Seborgia relicta G2G3 TX
• Sehirus cinctus White-Margined Burrower Bug GNR IL
• Selachochthonius heterodentatus
• Semionellus placidus Salmon Cherry Millipede G3 IL
• Semotilus atromaculatus Creek Chub G5 AL, KY, TN
• Sensillanura barberi GNR AR, TN
• Sensillanura illina IL
• Sepedophilus crassus G5 IA
• Sepedophilus littoreus Staph Beetle GNR GA
• Sequoiadesmus krejcae CA
• Shibaia longisensilla AR
• Sicifera bifurca GNR IL
• Sicifera dentata GNR IL, IN, OH
• Sigmocheir calaveras CA
• Sigmoria fumimontis TN
• Simulium parnassum Dark Black Fly GNR GA
• Simulium tuberosum Tubercled Black Fly G5
• Simulium venustum Whitestockinged Black Fly G5
• Simulium vernum
• Sinella agna G3G4 WV
• Sinella alata G5 IN, Mexico
• Sinella avita Avita Cave Springtail G3G4 IL, IN, KY, MO, Mexico
• Sinella baca G3G4 BC, CA, TX
• Sinella barri Barr's Cave Springtail G5 AL, AR, IL, IN, KY, MO, Mexico, TN, VA, WI
• Sinella basidens G3G4 IN, KY, TN
• Sinella caeca AL, IA, MN, MO, WI
• Sinella cavernarum G5 IL, IN, KY, LA, MD, MO, OH, PA, TN, VA, WA
• Sinella hoffmani Hoffman's Cave Springtail G5 KY, MD, Mexico, PA, TN, VA, WV
• Sinella krekeleri G3G4 KY, Mexico, WV
• Sinella tecta G1G2 CA
• Sinella yosiia G2G3 HI
• Sitophilus oryzae Rice Weevil GNR IA
• Skistodiaptomus pallidus GNR IN, KY
• Sminthurides lepus GNR TN
• Sminthurides malmgreni IL
• Sminthurinus henshawi GNR IL
• Soldanellonyx chappuisi G1 IN
• Soldanellonyx chapuisi G1 IN
• Soldanellonyx monardi Mite IN
• Soldanellonyx morardi G1 IN
• Solenopsis geminata Tropical Fire Ant
• Somatochlora tenebrosa Clamp-Tipped Emerald G5 AL
• Sorex cinereus Cinereus Shrew G5
• Sorex fumeus Smoky Shrew G5 KY
• Sorex hoyi American Pygmy Shrew G5
• Sorex palustris American Water Shrew G5
• Sparganophilus eiseni AL, NC
• Sparganophilus tamesis Amerikaanse Wortelwroeter GA
• Spelaedrilus multiporus G1 VA
• Spelaeorchestia koloana Kauai Cave Amphipod G1G2 HI
• Spelaeorchestia pahoehoe HI
• Speleobama vana G1 AL
• Speleochus blanchardensis AR, AZ
• Speleochus croceus G1G2 AL
• Speleochus eurous G2G3 AL
• Speleochus ferus G1G2 AL, TN
• Speleochus macosar AR, AZ
• Speleochus steevesi G4 AL, TN
• Speleochus stygicus G1G2 AL
• Speleochus synstygicus G1 AL
• Speleomaster lexi G1G2 ID
• Speleomaster pecki G1G2 ID
• Speleonura kenchristianseni G1 VA
• Speleonychia sengeri G1G2 WA
• Speleonycta ozarkensis Ozark Cave Bristletail AR, OK
• Spelobia clunipes GNR VA
• Spelobia maculipennis GNR CO
• Spelobia pseudosetaria GNR CO
• Spelobia semioculata GNR IA, IL, TN, VA, WI
• Spelobia tenebrarum Cave dung fly G5 AL, AR, GA, IL, IN, KY, MO, NY, OK, PA, TN, VA, WV
• Spelobia tuberculosa GNR CO
• Spelungula cavernicola Nelson Cave Spider
• Speocirolana hardeni G2G3 TX
• Speodesmus bicornourus G2G3 TX
• Speodesmus castellanus TX
• Speodesmus echinourus G2G3 TX
• Speodesmus falcatus Sickled Cave Millipede GNR TX
• Speodesmus ivyi Ivy's Cave Millipede GNR TX
• Speodesmus reddelli Reddell's Cave Millipede GNR TX
• Speolepta leptogaster IN
• Speoplatyrhinus poulsoni Alabama cavefish G1 AL
• Speorthus reyesi TX
• Speorthus tuganbius G2G3 NM, TX
• Speoseya grahami G2G3 CA
• Speotrombicula trifurca
• Spermophora senoculata Shortbodied Cellar Spider GNR FL
• Sphaeridia serrata GNR IL
• Sphaerium simile Grooved Fingernailclam
• Sphaerium transversum Long Fingernail Clam MO
• Sphaeroderus stenostomus Small Snail-Eating Ground Beetle G5 GA
• Sphaeromicola moria G1G2 TX
• Sphalloplana buchanani Buchanan's Cave Flatworm G1G2 KY, MD, TN
• Sphalloplana californica California Cave Flatworm G1G2 CA
• Sphalloplana chandleri Chandler's Cave Flatworm G1G2 IN, TN, VA
• Sphalloplana consimilis Powell Valley Cave Flatworm G2G3 TN, VA
• Sphalloplana culveri Culver's Cave Flatworm G1 WV
• Sphalloplana evaginata Perryville Cave Flatworm G1G2 MO
• Sphalloplana georgiana Georgia Cave Flatworm G1 GA
• Sphalloplana hoffmasteri Hoffmaster's Cave Flatworm G3G4 MD, WV
• Sphalloplana holsingeri Holsinger's Cave Flatworm G1G2 VA
• Sphalloplana hubrichti Hubricht's Cave Flatworm G2G4 IL, MO
• Sphalloplana hypogea G1G2 VA
• Sphalloplana kansensis Kansas Cave Flatworm G1G2 KS
• Sphalloplana mohri G3G4 TX
• Sphalloplana percoeca G5 AL, KY, TN, WV
• Sphalloplana pricei Refton Cave Flatworm G2G3 MD, PA
• Sphalloplana subtilis Biggers Cave Flatworm G1G2 VA
• Sphalloplana virginiana Rockbridge County Cave Flatworm G1 VA
• Sphalloplana weingartneri Weingartner's cave flatworm G4 IN
• Sphendononema guildingii Quarenta-Pernas
• Spinanycta alabamensis Alabama Cave Bristletail AL
• Spiniphora slossonae GNR AL
• Spongilla lacustris Common Freshwater Sponge G5 KY
• Steatoda triangulosa Triangulate Bud Spider GNR IL
• Steatornis caripensis Oilbird
• Stegana coleoptrata Pomace Fly
• Stelidota geminata Strawberry Sap Beetle GNR KY
• Stenistoderus rubripennis Red-Winged Rove Beetle GNR IA
• Stenochironomus pulchripennis GNR
• Stenolophus ochropezus G5 MO, TN
• Stenonema femoratum Cream Cahill G5 AR, IL
• Stenophilus californicus G1G2 CA
• Stenoponia americana GNR IA, TN
• Stenotrema angellum Kentucky Slitmouth G4 KY, TN
• Stenotrema edvardsi Ridge-And-Valley Slitmouth G4 KY
• Stenotrema exodon Alabama Slitmouth G2 AL
• Stenotrema hirsutum Hairy Slitmouth G5 KY
• Stenotrema spinosum Carinate Slitmouth G4 AL, TN
• Stenotrema stenotrema Inland Slitmouth AL, TN
• Stenotrema turbinella AL
• Stenus alacer MO
• Sternopsylla distincta NM
• Storeria occipitomaculata Mexican Yellowbelly Brown Snake [Hidalgoensis] G5 AR
• Striaria eldora G2G3 CA
• Striatura meridionalis Median Striate G5 TN
• Strigamia branneri IA, VA
• Strix varia Barred Owl G5 FL
• Strobilops affinis Eightfold Pinecone G4 IL
• Strobilops texasianus Southern Pinecone G5 GA
• Stygobromus abditus James Cave Amphipod G2G3 VA
• Stygobromus acicularis GNR MO
• Stygobromus ackerlyi G1G2 GA
• Stygobromus alabamensis Alabama cave amphipod G5 AL, AR, KS, LA, MO, MS, OK, TN, TX
• Stygobromus albapinus White Pine amphipod NV
• Stygobromus allegheniensis G5 MD, NY, PA, WV
• Stygobromus amicus Friendly Cave Amphipod G1 MD
• Stygobromus anacostensis DC
• Stygobromus araeus Tidewater Interstitial Amphipod G3 NC, VA
• Stygobromus arbucklensis Arbuckle Mountains Cave Amphipod GNR OK
• Stygobromus arizonensis Arizona Cave Amphipod G1 AZ
• Stygobromus bakeri TX
• Stygobromus balconis Balcones Cave Amphipod G2G3 TX
• Stygobromus baroodyi Rockbridge County Cave Amphipod G1 VA
• Stygobromus barri Barr's Cave Amphipod G2G3 MO, TN
• Stygobromus barryi G1 TN
• Stygobromus bifurcatus Bifurcated Cave Amphipod G3G4 TX
• Stygobromus biggersi Biggers' Cave Amphipod G2G4 MD, PA, VA, WV
• Stygobromus blinni Blinn's Cave Amphipod G1G2 AZ
• Stygobromus borealis Taconic Cave Amphipod G2G3 MA, NY, QC, VT
• Stygobromus boultoni Boulton's Cave Amphipod G1G2 AZ
• Stygobromus bowmani Bowman's Cave Amphipod G1G2 OK
• Stygobromus caecilius Cecil Groundwater Amphipod G1 MD
• Stygobromus canadensis Castleguard Cave Amphipod G1 AB
• Stygobromus carolinensis Carolina Seep Amphipod GH NC
• Stygobromus cherylae G1 CA
• Stygobromus clantoni Clanton's Cave Amphipod G4 AR, KS, MO, OK
• Stygobromus coloradensis Colorado Cave Amphipod G1G2 CO
• Stygobromus conradi Conrad's Cave Amphipod G1 VA
• Stygobromus cooperi Cooper's Cave Amphipod G1G2 WV
• Stygobromus cowani Cowan's Cave Amphipod G1 CA
• Stygobromus culveri Culver's Cave Amphipod G1 WV
• Stygobromus cumberlandus Cumberland Cave Amphipod G3G4 VA
• Stygobromus curroae Curro's Cave Amphipod G1G2 NM
• Stygobromus dejectus Cascade Cave Amphipod G1G2 TX
• Stygobromus dicksoni Dickson cave stygobromid G5 AL, GA, TN
• Stygobromus doughertyensis Dougherty Plain Cave Amphipod G1G2 FL, GA
• Stygobromus duplus G1G2 WA
• Stygobromus elatus G1 AR
• Stygobromus elliotti Elliott's Cave Amphipod G1G2 WA
• Stygobromus emarginatus Greenbrier Cave Amphipod G3 MD, WV
• Stygobromus ephemerus Ephemeral Cave Amphipod G1G2 VA
• Stygobromus estesi Craig County Cave Amphipod G4 VA
• Stygobromus exilis Central Kentucky Cave Amphipod G5 AL, KY, TN
• Stygobromus fecundus G1G2 TN
• Stygobromus felleri Feller's Groundwater Amphipod G1 MD
• Stygobromus fergusoni Ferguson's Cave Amphipod G1 VA
• Stygobromus finleyi Finley's Cave Amphipod G3G4 TN, VA
• Stygobromus flagellatus Ezell's Cave Amphipod G2G3 TX
• Stygobromus floridanus Florida Panhandle Cave Amphipod G1G2 CA, FL
• Stygobromus foliatus Rappahannock Spring Amphipod G2 MD, VA
• Stygobromus fontinalis G1G2 CO
• Stygobromus franzi Franz's Cave Amphipod G3G4 MD, PA, WV
• Stygobromus gallawayae Gallaway's Cave Amphipod G1 CA
• Stygobromus gardneri GNR AR, MO
• Stygobromus glacialis Glacier National Park Cave Amphipod G1 MT
• Stygobromus gracilipes G3G4 MD, PA, VA, WV
• Stygobromus gradyi Grady's Cave Amphipod G1 CA
• Stygobromus grahami Graham's Cave Amphipod G2 CA
• Stygobromus grandis G1 GA
• Stygobromus hadenoecus Devil's Sinkhole Amphipod G1G2 TX
• Stygobromus harai Hara's Cave Amphipod G1 CA
• Stygobromus hayi Hay's Spring Amphipod G1G2 DC, PA
• Stygobromus herbsti Herbst's Cave Amphipod G2G3 NV
• Stygobromus heteropodus Pickle Springs Amphipod G1G2 MO
• Stygobromus hoffmani Hoffman's Cave Amphipod G2 VA
• Stygobromus holsingeri Holsinger's Cave Amphipod G1G2 CO
• Stygobromus hubbardi Hupp's Hill Cave Amphipod G1 VA
• Stygobromus hubbsi Malheur Cave Amphipod G1G2 OR
• Stygobromus hyporheicus Hyporheic Amphipod G1 CA
• Stygobromus idahoensis Idaho Groundwater Amphipod G1 ID
• Stygobromus imperialis Imperial Cave Amphipod G1 CA
• Stygobromus indentatus Tidewater Amphipod G3 MD, NC, VA
• Stygobromus inexpectatus G1 AL
• Stygobromus interitus New Castle Murder Hole Cave Amphipod G1G2 VA
• Stygobromus interstitialis Interstitial Amphipod G1G3 CO
• Stygobromus iowae Iowa Cave Amphipod G2G3 IA, IL, MN
• Stygobromus jemezensis Jemez Mountains Groundwater Amphipod G1G2 NM
• Stygobromus kenki Rock Creek Groundwater Amphipod G2 DC, MD, VA
• Stygobromus lacicolus Lake Tahoe Groundwater Amphipod G1 CA, NV
• Stygobromus lanensis Lane County Groundwater Amphipod G1G2 OR
• Stygobromus latus G1G3 WA
• Stygobromus leensis Lee County Cave Amphipod G1G2 VA
• Stygobromus limbus Border Cave Amphipod G1G2 TX
• Stygobromus longipes Long-legged Cave Amphipod G2G3 TX
• Stygobromus lucifugus Rubious Cave Amphipod G1G2 IL
• Stygobromus mackenziei MacKenzie's Cave Amphipod G1 CA
• Stygobromus mackini Southwestern Virginia Cave Amphipod G5 IN, KY, TN, TX, VA, WV
• Stygobromus mausi Round Hill Cave Amphipod G1 VA
• Stygobromus minutus G2G3 GA
• Stygobromus montanensis G1G2 MT
• Stygobromus montanus Mountain Cave Amphipod G1 AR
• Stygobromus morrisoni Morrison's Cave Amphipod G1G2 VA, WV
• Stygobromus mundus Bath County Cave Amphipod G1 VA
• Stygobromus myersae Myers' Groundwater Amphipod G1 CA, NV
• Stygobromus mysticus Secret Cave Amphipod G1 CA
• Stygobromus nanus G1 WV
• Stygobromus nortoni Norton's Cave Amphipod G2G3 TN
• Stygobromus obrutus Pittsylvania Well Amphipod G1G2 VA
• Stygobromus obscurus G1G2 MT
• Stygobromus onondagaensis Onondaga Cave Amphipod G3 AR, KS, MO, OK
• Stygobromus oregonensis G1G2 OR
• Stygobromus ozarkensis Ozark Cave Amphipod G4 AR, MO, OK
• Stygobromus parvus Minute Cave Amphipod G2 VA, WV
• Stygobromus paveki Pavek's Groundwater Amphipod MD
• Stygobromus paxillus Prettyboy Groundwater Amphipod G1 MD
• Stygobromus pecki Peck's Cave Amphipod G1G2 TX
• Stygobromus pennaki Pennak Cave Amphipod G2G3 CO
• Stygobromus phreaticus Northern Virginia Well Amphipod G1 VA
• Stygobromus pizzinii Pizzini's Cave Amphipod G3G4 DC, MD, PA, VA
• Stygobromus pollostus Least Cave Amphipod G2G3 WV
• Stygobromus pseudospinosus Luray Caverns Amphipod G1 VA
• Stygobromus putealis Wisconsin Well Amphipod G2G3 WI
• Stygobromus puteanus G1G2 MT
• Stygobromus quatsinensis Quatsino Cave Amphipod G1G2 AK, BC
• Stygobromus rallus Narrow Groundwater Amphipod G1G3 WA
• Stygobromus redactus Pattons Cave Amphipod G1 WV
• Stygobromus reddelli G1G2 TX
• Stygobromus rudolphi Rudolph's Groundwater Amphipod G1 CA
• Stygobromus russelli Russell's Cave Amphipod G4 TX
• Stygobromus saltuaris Williamette Natonal Forest Groundwater Amphipod G1G2 OR
• Stygobromus scottsruni Scotts Run Groundwater Amphipod VA
• Stygobromus secundus G1 AB
• Stygobromus sextarius Capital Area Groundwater Amphipod G1 DC, MD, VA
• Stygobromus sheldoni Sheldon's Groundwater Amphipod G1 CA
• Stygobromus sierrensis Sierra Groundwater Amphipod G1 CA
• Stygobromus simplex Simple Cave Amphipod G1G2 CO
• Stygobromus smithi Alabama Well Amphipod G2G3 AL, TN
• Stygobromus sparsus Gregory Cave Amphipod G1 TN
• Stygobromus spinatus Spiny Cave Amphipod G2G3 VA, WV
• Stygobromus spinosus Blue Ridge Cave Amphipod G3 VA
• Stygobromus stegerorum Madison Cave Amphipod G1 VA
• Stygobromus stellmacki Stellmack's Cave Amphipod G1G2 PA
• Stygobromus subtilis Subtle Cave Amphipod G2 IL, MI, MO
• Stygobromus tahoensis G1 CA, NV
• Stygobromus tenuis G4 CT, DC, MA, MD, NY, PA, VA, WV
• Stygobromus trinus Trinity County Cave Amphipod G1 CA
• Stygobromus tritus Worn Groundwater Amphipod G1 MT
• Stygobromus urospinatus Spinose Cave Amphipod G1G3 CO
• Stygobromus utahensis Utah Cave Amphipod G1G2 UT
• Stygobromus vitreus Mammoth Cave stygobromid G4 AL, IN, KY, TN
• Stygobromus wahkeenensis Wahkeena Creek Groundwater Amphipod G1G2 OR
• Stygobromus wardi Ward's Groundwater Amphipod G1G2 CO
• Stygobromus wengerorum Wenger Cave Amphipod G1 CA
• Stygonyx courtneyi G1G2 OR
• Stygoparnus comalensis Comal Springs Dryopid Beetle G1G2 TX
• Stygoporus oregonensis G1G2 OR
• Stygopyrgus bartonensis Barton cavesnail G1 TX
• Stygopyrgus gracilis TX
• Stygopyrgus variabilis TX
• Stylodrilus beattiei G1 VA, WV
• Stylodrilus californianus CA
• Stylodrilus wahkeenensis AL, OR, TN
• Subulina octona Miniature Awlsnail G5
• Superodontella cornifer GNR IL
• Superodontella substriata GNR IL
• Sus scrofa Eurasian Wild Pig G5 KY
• Sylvilagus floridanus Eastern Cottontail G5 AL, KY
• Syngrapha alias Spruce Climbing Cutworm G5
• Syrphus rectus
• Tachinus fimbriatus G5 GA
• Tachinus fumipennis G5 IA
• Tachycines asynamorus Greenhouse Camel Cricket GNR AL, GA, IL, OK
• Tachypeza humeralis GNR
• Tachyporus maculipennis IL
• Tachys proximus GNR NM
• Tachys pumilus GNR MO
• Tachys scitulus G5 VA
• Tachyura lutea TN
• Tadarida brasiliensis Brazilian Free-Tailed Bat G5 FL, KY, NM, TX
• Taiyutyla loftinae CA
• Tamias striatus Eastern Chipmunk G5 AR, IN, KY, TN
• Tamiasciurus hudsonicus Red Squirrel G5 KY
• Tanytarsus recurvatus GNR GA
• Taracus aspenae OR
• Taracus fluvipileus CA
• Taracus marchingtoni OR
• Taracus silvestrii G1G2 OR
• Taracus taylori GNR NV
• Taranucnus ornithes GNR AL
• Tarebia granifera Quilted Melania G5 FL
• Tarlina noorundi
• Tarnania tarnanii GNR
• Tartarocreagris altimana G1G2 TX
• Tartarocreagris amblyopa G1G2 TX
• Tartarocreagris attenuata G1G2 TX
• Tartarocreagris domina G1G2 TX
• Tartarocreagris grubbsi G1G2 TX
• Tartarocreagris hoodensis G1G2 TX
• Tartarocreagris infernalis G2G3 TX
• Tartarocreagris intermedia G1G2 TX
• Tartarocreagris proserpina G1G2 TX
• Tartarocreagris reyesi GNR TX
• Tartarocreagris texana Tooth Cave Pseudoscorpion G1G2 TX
• Taxidea taxus American Badger G5
• Tayshaneta anopica G1G2 TX
• Tayshaneta archambaulti GNR TX
• Tayshaneta bullis GNR TX
• Tayshaneta concinna G1G2 TX
• Tayshaneta fawcetti GNR TX
• Tayshaneta microps Government Canyon Bat Cave Spider G1 TX
• Tayshaneta myopica Tooth Cave Spider G1G2 TX
• Tayshaneta oconnorae GNR TX
• Tayshaneta sandersi GNR TX
• Tayshaneta sprousei GNR TX
• Tayshaneta vidrio GNR TX
• Tayshaneta whitei GNR TX
• Tectocepheus velatus GNR IA
• Tegenaria domestica Barn Funnel Weaver GNR AL, GA, IL, IN
• Tegenaria pagana Rural Funnel-Web Spider NM
• Telomerina cana AL, TN
• Telomerina chillcotti GNR TN, TX
• Telomerina flavipes GNR AR
• Tenuiphantes sabulosus GNR AL, IL, TN
• Terrapene carolina Common Box Turtle G5 AL, FL, GA, IL, KY, TN
• Terrapene triunguis Three-Toed Box Turtle GNR AR
• Terrilimosina racovitzai GNR IA, IL, NY, PA, WI
• Tethysbaena texana GNR TX
• Tetracion jonesi Jones' Cave Millipede G3G4 AL, TN
• Tetracion tennesseensis Tennessee Cave Millipede G2G3 TN
• Tetragnatha elongata Elongate Stilt Spider G5
• Tetragnatha laboriosa Long-Jawed Orb Weaver G5 IN
• Tetragnatha shoshone Amerikanische Streckerspinne GNR IL
• Tetragnatha versicolor Versicolor Long-Jawed Orbweaver G5 AL, KY
• Texamaurops reddelli Kretschmarr Cave Mold Beetle G1G2 TX
• Texanobathynella aaronswinki TX
• Texanobathynella bowmani GNR TX
• Texanobathynella coloradoensis TX
• Texanobathynella sachi CA
• Texapyrgus diaboli Devil Tryonia TX
• Texapyrgus longleyi Striated hydrobe G1 TX
• Texella cokendolpheri Cokendolpher Cave Harvestman G1 TX
• Texella elliotti TX
• Texella hardeni G1G2 TX
• Texella hilgerensis TX
• Texella martensi CA
• Texella mulaiki G2G3 TX
• Texella reyesi Bone Cave Harvestman G2G3 TX
• Texella shoshone Shoshone Cave Harvestman G1 CA
• Texella tuberculata TX
• Texella welbourni G1G2 NM
• Texella whitei TX
• Texicerberus amistad GNR TX
• Texicerberus castilloi TX
• Texicerberus schotteae GNR TX
• Texiweckelia texensis G2G3 TX
• Texiweckeliopsis insolita G3 TX
• Texoreddellia aquilonalis TX
• Texoreddellia capitesquameo TX
• Texoreddellia coahuilensis Mexico, TX
• Texoreddellia media TX
• Texoreddellia occasus TX
• Texoreddellia texensis G4 TX
• Thalassaphorura encarpata Springtail IL
• Thalkethops grallatrix G1G2 NM
• Thamnophis proximus Western Ribbon Snake G5
• Thaumatogryllus cavicola Vovanoes Cave Cricket G1G2 HI
• Theatops phanus G2G3 TX
• Theotima makua G2G3 HI
• Theridion flavonotatum AL
• Theridion glaucescens GNR AL
• Theridiosoma gemmosum Common Eastern Ray Spider G5 AL, GA, IL, IN
• Theridula opulenta Cobweb Spiders GNR AL
• Thermobia domestica Firebrat GNR IA
• Thesiastes fossulatus IL
• Thymoites marxi GNR AL, GA
• Thymoites minero G1G2 AZ
• Tidarren sisyphoides Tent Cobweb Weaver AL
• Tingupa pallida Tingupa Cave Millipede G4 AR, IL, MO, TN
• Tipula abdominalis Giant Crane Fly GNR GA
• Tipula algonquin GNR AR
• Tipula caloptera GNR
• Tmesiphorus costalis GNR AL
• Tolus appalachius Appalachian Cave Spider G3G4 AL, TN
• Tomocerus curtus IA
• Tomocerus dubius FL, KY
• Tomocerus flavescens GA, IL, TN
• Tomocerus vulgaris GNR TN, WI
• Tomoderus impressulus TN
• Toxidium compressum GNR IA
• Trachelipus rathkii Rathke's Woodlouse GNR KY, WV
• Trachemys scripta Pond Slider G5 FL
• Traegaardhia gracilis
• Traegaardhia holsingeri AR, KY, MO, OK
• Traegaardhia paralleloseta G1 VA
• Traegaardhia similis AR, MO
• Trechus cumberlandus G2 KY, TN
• Trechus tennesseensis GNR TN
• Trechus tuckaleechee GNR TN
• Triacanthella copelandi G1 TN
• Trichobius major GNR FL, NM
• Trichocera fattigiana GA
• Trichocera hiemalis Winterpluimantennemug GNR
• Trichocera maculipennis GNR
• Trichocera regelationis Dooimug GNR IA, IL
• Trichodrilus comalensis TX
• Trichodrilus culveri G1 WV
• Trichomorpha capillata
• Trichoniscus provisorius Ansarisiiranen VA
• Trichoniscus pusillus Common Pygmy Woodlouse KY, OK, TN, VA
• Trichopetalum dux G4 KY
• Trichopetalum stannardi MD
• Trichopetalum uncum GNR AR, IN, MO
• Trichophya pilicornis Staph Beetle GNR MN
• Trichotichnus dichrous GNR AL
• Trichotichnus fulgens MO
• Tridenchthonius juxtlahuaca
• Trigenotyla blacki Black's cave millipede G1 OK
• Trigenotyla parca G2 AR
• Trimiomelba dubia GNR TN
• Trinectes maculatus Freshwater Flounder G5 FL
• Triodopsis complanata Glossy Threetooth G2 KY, TN
• Triodopsis hopetonensis Magnolia Threetooth G4 FL
• Triodopsis tridentata Northern Threetooth G5 AL
• Triodopsis vulgata Dished Threetooth G5 IL
• Triphosa haesitata Tissue Moth G5
• Trisetobisium fallax GNR AL
• Trochosa terricola Gewone Nachtwolfspin G5
• Troglichthys rosae Ozark cavefish G3 AR, MO, OK
• Troglocambarus maclanei North Florida Spider Cave Crayfish G1G2 FL
• Trogloglanis pattersoni Toothless Blindcat G1G2 TX
• Trombicula cavernarum
• Trombicula tibbettsi AL, TX
• Tropisternus collaris Collared Water Scavenger Beetle GNR AR
• Tropocyclops extensus IN
• Tropocyclops prasinus IL, IN, KY
• Trox aequalis Even Hide Scarab Beetle G5 GA
• Trox laticollis GNR IA
• Trox scaber Hide Beetle GNR
• Tuberochernes aalbui G1G2 CA
• Tuberochernes cohni GNR AZ
• Tuberochernes ubicki G1 AZ
• Tuberona leonidasi TX
• Tullbergia clavata IA, IL
• Tullbergia granulata IA
• Tullbergia macrochaeta IA
• Tychobythinus bythinioides GNR IL
• Tychobythinus hubrichti G1G2 KY
• Tychobythinus jonesi G1G2 AL
• Tychobythinus strinatii G1G2 TN
• Tylparua troglodytes HI
• Typhlichthys eigenmanni Salem Plateau Cavefish G3 AR, MO
• Typhlichthys subterraneus Southern Cavefish G4 AL, GA, KY, TN
• Typhlobius caecus AL, GA
• Typhloelmis caroline GNR TX
• Typhloelmis finegan GNR TX
• Typhloelmis sanfelipe GNR TX
• Typhloelmis spangleri GNR TX
• Typhlogastrura alabamensis G1G2 AL
• Typhlogastrura christianseni G1 AL, TN
• Typhlogastrura fousheensis Foushee Cave Springtail G1 AR
• Typhlogastrura helleri Heller Cave Springtail GNR PA
• Typhlogastrura hubbardi G2G3 VA
• Typhlogastrura valentini Valentine's Cave Springtail G1 VA
• Typhlonesticus silvestrii Silvestri's Cave Spider CA, OR
• Tyrannochthonius alabamensis G1 AL
• Tyrannochthonius aladdinensis G1 AL
• Tyrannochthonius aralu G1 AL
• Tyrannochthonius archeri G1 AL
• Tyrannochthonius attenuatus G1 AL
• Tyrannochthonius avernicolus G1 AL
• Tyrannochthonius barri Barr's Cave Pseudoscorpion G1 AL
• Tyrannochthonius binoculatus G1 AL
• Tyrannochthonius chamberlini G1 AL
• Tyrannochthonius charon G1 AL
• Tyrannochthonius diabolus G1G2 AL
• Tyrannochthonius erebicus G1 AL
• Tyrannochthonius felix G1 AL
• Tyrannochthonius fiskei G1 TN
• Tyrannochthonius gnomus G1 AL
• Tyrannochthonius halopotamus G1 AL, TN
• Tyrannochthonius hypogeus G1 KY
• Tyrannochthonius infernalis G1 AL
• Tyrannochthonius jonesi Jones' Cave Pseudoscorpion G1 AL
• Tyrannochthonius muchmoreorum GNR TX
• Tyrannochthonius nergal G1 AL
• Tyrannochthonius orpheus G1G2 AL
• Tyrannochthonius osiris G1 AL
• Tyrannochthonius parvus G1G2 AL
• Tyrannochthonius pecki Peck's Cave Peudoscorpion G1 AL
• Tyrannochthonius pholeter G1 AL
• Tyrannochthonius pluto G1G2 AL
• Tyrannochthonius pupukeanus G1 HI
• Tyrannochthonius satan G1 AL
• Tyrannochthonius sheltae Shelta Cave Pseudoscorpion G1 AL
• Tyrannochthonius skeletonis G1 AL
• Tyrannochthonius steevesi Steeves' Cave Pseudoscorpion G1 TN
• Tyrannochthonius stonei HI
• Tyrannochthonius stygius G1 AL
• Tyrannochthonius tartarus G1 AL
• Tyrannochthonius tenuis G1 AL
• Tyrannochthonius torodei Torode's Cave Pseudoscorpion G1 AL
• Tyrannochthonius troglodytes G1G2 TX
• Ufocandona hannaleeae TX
• Ula elegans GNR
• Uloborus glomosus Featherlegged Orbweaver GNR AL, NM
• Ulomorpha pilosella GNR KY
• Uncinocythere ambophora G2G3 FL
• Uncinocythere equicurva
• Uncinocythere pholetera G1G2 MO
• Uncinocythere simondsi KY
• Uncinocythere warreni G1 AR, FL, GA
• Uncinocythere xania G3 AR, GA, IN, MO
• Uncinocythere zancla KY
• Uniomerus carolinianus Eastern Pondhorn G4 FL
• Uroblaniulus canadensis Sickle Tailed Millipede G5
• Uroctonus grahami G1G2 CA
• Uroseius infirmus TN
• Ursus americanus American Black Bear G5 AR, IN, KY, TN
• Ursus arctos Brown Bear G4
• Usofila gracilis G1G2 CA
• Uvarus texanus TX
• Vachonium boneti
• Vachonium maya
• Vaejovis carolinianus Southern Unstriped Scorpion G5 AL
• Vallonia pulchella Beautiful Grass Snail G5 KY
• Varacosa avara Spurred Secretive Wolf Spider GNR IL
• Veigaia bakeri Baker's Cave Mite G1 IN, NM
• Veigaia kochi GNR
• Veigaia wyandottensis Wyandotte Cave Mite G1 IN
• Ventridens demissus Perforate Dome G5 FL, TN
• Ventridens gularis Throaty Dome G5 AL, GA, KY, TN
• Ventridens intertextus Pyramid Dome G5 IL
• Ventridens ligera Globose Dome G5 GA, KY
• Vetericaris chaceorum G1 HI
• Virginia valeriae Smooth Earth Snake G5 AR
• Vitronura giselae IL, TN
• Vitropyrgus lillianae TX
• Vulcanochthonius aa HI
• Vulcanochthonius howarthi G1G2 HI
• Vulcanochthonius pohakuloae HI
• Wadotes calcaratus G5 GA, TN
• Wadotes saturnus GA
• Watobius anderisus AL
• Wormaldia moesta G4 KY
• Wulfila albens AL
• Xenolimosina sicula GNR CO
• Xenotrechus condei G1G2 MO
• Xenotrechus denticollis G1G2 MO
• Xenylla welchi Springtail GNR IL
• Xironodrilus formosus TN
• Xironogiton instabilius VA, WV
• Xolotrema denotatum Velvet Wedge G4 IL
• Xolotrema fosteri Bladetooth Wedge G5 IL
• Xolotrema obstrictum Sharp Wedge G4 TN
• Yunohamella lyrica Lyric Cobweaver GNR AL, IN
• Zealeuctra narfi Northern Needlefly G4 IL
• Zonitoides arboreus Bark Snail AL, FL, GA, IL, KY, MO, TN, VA
• Zonitoides limatulus Dull Gloss G4 KY
• Zonitoides nitidus Black Gloss IL
• Zosteractis interminata Zosteractis Cave Millipede G1 IL, MO
• Zygonopus krekeleri West Virginia Blind Cave Millipede G4 WV
• Zygonopus packardi Packard's Blind Cave Millipede G4 VA, WV
• Zygonopus weyeriensis Grand Caverns Blind Cave Millipede G3G4 VA, WV
• Zygonopus whitei Luray Caverns Blind Cave Millipede G3G4 VA, WV

Other resources

Catalogue of Life

N

GBIF

1

ITIS

202423

iNaturalist

1