Browse species

1445 species

Species	Common name	Group	Class	Status	States	Photo	Spec	Seq
Larca aalbui (Muchmore, 1984)	Aalbu's Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	CA	○	○	○
Agastoschizomus texanus Monjarez-Ruedas et al., 2016		Schizomida	Troglobiont		TX	○	3	○
Agyneta gagnei (Gertsch, 1973)		Araneae	Troglobiont	G1G2	HI	○	1	○
Agyneta hedini Duperre & Paquin, 2009		Araneae	Troglobiont		CO	○	3	○
Stygobromus alabamensis (Stout, 1911)	Alabama cave amphipod	Amphipoda	Stygobiont	G5	AL, AR, KS, LA, MO, OK, TN, TX	○	207	○
Pseudanophthalmus alabamae Valentine, 1932	Alabama Cave Beetle	Coleoptera	Troglobiont	G2	AL	○	8	○
Spinanycta alabamensis Espinasa, Gutierrez, Hinkle & Niemiller, 2024	Alabama Cave Bristletail	Zygentoma	Troglobiont		AL	○	○	○
Cambarus jonesi Hobbs & Barr, 1960	Alabama Cave Crayfish	Decapoda	Stygobiont	G2 VU	AL	○	70	36
Scoterpes alabama Shear, 2010	Alabama Cave Millipede	Chordeumatida	Troglobiont		AL	○	○	○
Palaemonias alabamae Smalley, 1961	Alabama Cave Shrimp	Decapoda	Stygobiont	G1 EN ESA	AL	○	5	14
Speoplatyrhinus poulsoni Cooper & Kuehne, 1974	Alabama cavefish	Percopsiformes	Stygobiont	G1 CR ESA	AL	○	9	27
Alabamocreagris mortis (Muchmore, 1969)	Alabama pseudoscorpion	Pseudoscorpiones	Troglobiont	G1G2	AL	○	○	○
Stygobromus smithi Hubricht, 1943	Alabama Well Amphipod	Amphipoda	Stygobiont	G2G3 VU	AL	○	3	○
Alabamocreagris pecki (Muchmore, 1969)		Pseudoscorpiones	Troglobiont	G1G2	AL	○	○	○
Banksula californica Briggs, 1974	Alabaster Cave Harvestman	Opiliones	Troglobiont	GH	CA	○	3	○
Albiorix anophthalmus Muchmore & Pape, 1998		Pseudoscorpiones	Troglobiont	G1G2	AZ	○	○	○
Chaetaspis aleyorum Lewis, 2002	Aley's Cave Milliped	Polydesmida	Troglobiont	G1	MO	○	○	○
Pseudanophthalmus alladini Valentine, 1945	Alladin's Cave Beetle	Coleoptera	Troglobiont	G3G4	AL	○	○	○
Caecidotea alleghenyensis Lewis, Bowman, & Feller, 2011	Allegheny Spring Isopod	Isopoda	Stygobiont	G1G2	MD	○	18	○
Allomideopsis wichitaensis (Smith, 1990)		Trombidiformes	Stygobiont		TX	○	○	○
Allotexiweckelia hirsuta Holsinger, 1980		Amphipoda	Stygobiont	G2G3	TX	○	43	○
Almuerzothyas comalensis Smith & Cook, 2009		Trombidiformes	Stygobiont	GNR	TX	○	○	○
Ameractis satis Causey, 1959		Julida	Troglobiont	G2G4	AL, GA, TN, VA	○	1	○
Caecidotea putea Lewis, 2009	American Waterslaters	Isopoda	Stygobiont	G1G3	FL, GA	○	○	○
Americocreagris columbiana (Chamberlin, 1962)		Pseudoscorpiones	Troglobiont	G2G3	OR, WA	○	○	○
Amerigoniscus centralis Vandel, 1978		Isopoda	Troglobiont	G1G2	OK	○	○	○
Amerigoniscus curvatus Vandel, 1978		Isopoda	Troglobiont	G1	GA	○	○	○
Amerigoniscus georgiensis Vandel, 1978		Isopoda	Troglobiont	G1	GA	○	○	○
Amerigoniscus gipsocolus (Vandel, 1965)		Isopoda	Troglobiont	G1G2	TX	○	1	○
Amerigoniscus malheurensis Schultz, 1982		Isopoda	Troglobiont	G1	OR	○	2	○
Amerigoniscus nicholasi (Vandel, 1965)		Isopoda	Troglobiont	G1G2	GA, TN	○	4	○
Amerigoniscus proximus Vandel, 1978		Isopoda	Troglobiont	G1G2	GA	○	○	○
Ameroduvalius jeanneli Valentine, 1952		Coleoptera	Troglobiont	G3	KY	○	8	6
Amphibiocapillaria texensis Moravec & Huffman, 2000		Trichocephalida	Stygobiont		TX	○	○	○
Amplaria flucticulus Shear, 2021		Chordeumatida	Troglobiont		CA	○	○	○
Amplaria shastae (Causey, 1958)		Chordeumatida	Troglobiont	G1G2	CA	○	1	○
Nesidiolestes ana Gagne & Howarth, 1974	Ana Wingless Thread Bug	Heteroptera	Troglobiont	G1G2 NE	HI	○	1	○
Anachemmis jungi Platnick & Ubick, 2005		Araneae	Troglobiont		CA	○	○	○
Anillaspis explanata (Horn, 1888)		Coleoptera	Troglobiont		CA	○	1	○
Anillinus actuipennis Sokolov & Reddell, 2014		Coleoptera	Troglobiont		TX	○	○	○
Anillinus bexarensis Sokolov, 2022		Coleoptera	Troglobiont		TX	○	○	○
Anillinus cavicola Sokolov, 2012		Coleoptera	Troglobiont		AL	○	○	○
Anillinus clinei Sokolov, 2020		Coleoptera	Troglobiont		AL	○	○	○
Anillinus forthoodensis Sokolov & Reddell, 2014		Coleoptera	Troglobiont		TX	○	4	○
Anillinus hildebrandti Sokolov, 2020		Coleoptera	Troglobiont		AL	○	○	○
Anillinus longiceps Jeannel, 1963		Coleoptera	Troglobiont		TN	○	2	○
Anillinus reddelli Sokolov, 2022		Coleoptera	Troglobiont		TX	○	○	○
Anillinus smokiensis Sokolov, 2011		Coleoptera	Troglobiont		TN	○	○	13
Anillinus tombarri Sokolov, 2012		Coleoptera	Troglobiont		AL	○	○	○
Anillinus valentinei (Jeannel, 1963)		Coleoptera	Troglobiont	G3G4	AL	○	2	○
Anillinus wisemanensis Sokolov & Kavanaugh, 2014		Coleoptera	Troglobiont		TX	○	4	○
Anisolabis howarthi Brindle, 1980		Dermaptera	Troglobiont	G1G2	HI	○	1	○
Anthrobia coylei Miller, 2005		Araneae	Troglobiont	G2	VA, WV	○	○	○
Antrolana lira Bowman 1964		Isopoda	Stygobiont	G2G4 VU ESA	VA, WV	○	37	17
Aphrastochthonius pachysetus Muchmore, 1976		Pseudoscorpiones	Troglobiont	G1G2	NM	○	○	○
Aphrastochthonius pecki Muchmore, 1968		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Aphrastochthonius tenax Chamberlin, 1962		Pseudoscorpiones	Troglobiont	G1G2	AL	○	○	○
Apocheiridium reddelli Muchmore, 1992		Pseudoscorpiones	Troglobiont	G1G2	TX	○	○	3
Apochthonius coecus (Packard, 1884)		Pseudoscorpiones	Troglobiont	G1G2	VA	○	2	○
Apochthonius colecampi Muchmore, 1967		Pseudoscorpiones	Troglobiont	G1G2	MO	○	○	○
Apochthonius diabolus Muchmore, 1967		Pseudoscorpiones	Troglobiont	G1	AR	○	○	○
Apochthonius forbesi Benedict, 1979		Pseudoscorpiones	Troglobiont	G1G2	OR	○	○	○
Apochthonius grubbsi Muchmore, 1980		Pseudoscorpiones	Troglobiont	G1G2	CA	○	○	○
Apochthonius holsingeri Muchmore, 1967		Pseudoscorpiones	Troglobiont	G1G2	VA	○	○	○
Apochthonius minor Muchmore, 1976		Pseudoscorpiones	Troglobiont	G1	GA, TN	○	○	○
Apochthonius titanicus Muchmore, 1976		Pseudoscorpiones	Troglobiont	G2	AR	○	○	○
Orconectes packardi Rhoades, 1944	Appalachian Cave Crayfish	Decapoda	Stygobiont	G2 EN	KY	○	34	33
Porrhomma cavernicola (Keyserling, 1886)	Appalachian Cave Spider	Araneae	Troglobiont	G5	AL, AR, GA, IA, IL, IN, KY, MD, MO, NC, OK, ON, PA, TN, VA, WV	○	14	○
Tolus appalachius Goodnight & Goodnight, 1942	Appalachian Cave Spider	Opiliones	Troglobiont	G3G4	AL, TN	○	2	4
Fontigens bottimeri (Walker, 1925)	Appalachian Springsnail	Littorinimorpha	Stygobiont	G2G3	DC, MD, VA	○	68	2
Crangonyx antennatus Packard, 1881	Appalachian Valley crangonyctid	Amphipoda	Stygobiont	G5	AL, GA, TN, VA	○	222	1
Appaleptoneta barrowsi (Gertsch, 1974)		Araneae	Troglobiont	G1	AL	○	1	2
Appaleptoneta credula (Gertsch, 1974)		Araneae	Troglobiont	G1	AL	○	5	2
Appaleptoneta fiskei (Gertsch, 1974)		Araneae	Troglobiont	GNR	GA	○	13	3
Appaleptoneta jonesi (Gertsch, 1974)		Araneae	Troglobiont	G1	AL	○	○	○
Horologion speokites Valentine, 1932	Arbuckle Cave Beetle	Coleoptera	Troglobiont	GH	WV	○	○	○
Liocranoides archeri Platnick, 1999	Archer's Two-clawed Cave Spider	Araneae	Troglobiont	G2	AL, TN	○	○	6
Arianops cavernensis Park, 1951		Coleoptera	Troglobiont	GNR	AL	○	7	○
Arianops gorei Carlton, 2008		Coleoptera	Troglobiont		TN	○	1	○
Arianops jeanneli Park, 1956		Coleoptera	Troglobiont	G1	VA	○	○	○
Arianops pecki Barr, 1974		Coleoptera	Troglobiont		TN	○	1	○
Arianops steevesi Barr, 1974		Coleoptera	Troglobiont	GNR	AL	○	1	○
Arianops stygica Park, 1960		Coleoptera	Troglobiont	G1	TN	○	○	○
Stygobromus arizonensis Holsinger, 1974	Arizona Cave Amphipod	Amphipoda	Stygobiont	G1 VU	AZ	○	5	○
Artesia subterranea Holsinger, 1980		Amphipoda	Stygobiont	G1G2	TX	○	94	○
Artesia welbourni Holsinger, 1992		Amphipoda	Stygobiont	G1G2	TX	○	2	○
Brackenridgia ashleyi Lewis, 2004	Ashley's Terrestrial Cave Isopod	Isopoda	Troglobiont	G1G3	AR, MO	○	3	○
Eurycea waterlooensis Hillis et al., 2001	Austin Blind Salamander	Caudata	Stygobiont	G1 CR ESA	TX	○	14	5
Australinocreagris grahami (Muchmore, 1969)		Pseudoscorpiones	Troglobiont	G1G2	CA	○	○	○
Austrotyla awishoshola Wynne & Shear, 2016		Chordeumatida	Troglobiont		NM	○	○	○
Austrotyla coloradensis (Chamberlin, 1910)		Chordeumatida	Troglobiont		CO	○	47	○
Austrotyla stephensoni (Chamberlin, 1910)		Chordeumatida	Troglobiont		CO	○	1	○
Pseudanophthalmus avernus (Valentine, 1945)	Avernus Cave Beetle	Coleoptera	Troglobiont	G1	VA	○	○	○
Sinella avita Christiansen, 1960	Avita Cave Springtail	Entomobryomorpha	Troglobiont	G3G4	IL, IN, KY, MO	○	3	○
Axonopsella bakeri Smith & Cook, 1998		Trombidiformes	Stygobiont		FL, TX	○	○	○
Bactrurus brachycaudus Hubricht & Mackin, 1940		Amphipoda	Stygobiont	G4	IL, MO	○	98	8
Bactrurus cellulanus Koenemann & Holsinger, 2001		Amphipoda	Stygobiont	GX	IN	○	4	○
Bactrurus mucronatus (Forbes, 1876)		Amphipoda	Stygobiont	G5	IA, IL, IN, MI, OH	○	126	6
Bactrurus wilsoni Koenemann & Holsinger, 2001		Amphipoda	Stygobiont	G1G2	AL	○	4	○
Pseudanophthalmus insularis Barr, 1959	Baker Station Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	○
Veigaia bakeri Farrier, 1957	Baker's Cave Mite	Mesostigmata	Troglobiont	G1	IN	○	○	○
Stygobromus balconis (Hubricht, 1943)	Balcones Cave Amphipod	Amphipoda	Stygobiont	G2G3 VU	TX	○	28	○
Palaemonetes antrorum Benedict, 1896	Balcones Cave Shrimp	Decapoda	Stygobiont	G2G3 EN	TX	○	○	○
Balconorbis uvaldensis Hershler & Longley, 1986	Balcones ghostsnail	Littorinimorpha	Stygobiont	G1G2	TX	○	47	9
Cicurina bandida Gertsch, 1992	Bandit Cave Meshweaver	Araneae	Troglobiont	G2	TX	○	12	○
Banksula grahami Briggs, 1974		Opiliones	Troglobiont	G2G3	CA	○	1	○
Crangonyx barri Zhang & Holsinger, 2003	Barr's Cave Amphipod	Amphipoda	Stygobiont	G5	IN, KY	○	141	○
Stygobromus barri (Holsinger, 1967)	Barr's Cave Amphipod	Amphipoda	Stygobiont	G2G3 VU	MO	○	8	○
Pseudotremia barri Lewis, 2005	Barr's Cave Millipede	Chordeumatida	Troglobiont	G2	TN	○	○	9
Scoterpes tombarri Shear, 2010	Barr's Cave Millipede	Chordeumatida	Troglobiont		KY, TN	○	○	○
Tyrannochthonius barri Muchmore, 1996	Barr's Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Nesticus barri Gertsch, 1984	Barr's Cave Spider	Araneae	Troglobiont	G3	AL, TN	○	4	57
Sinella barri Christiansen, 1960	Barr's Cave Springtail	Entomobryomorpha	Troglobiont	G5	AL, AR, IL, IN, KY, MO, TN, VA, WI	○	6	○
Miktoniscus barri Vandel, 1965	Barr's Terrestrial Cave Isopod	Isopoda	Troglobiont	G2G4	IN, KY, TN	○	4	○
Stygopyrgus bartonensis Hershler & Longley, 1986	Barton cavesnail	Littorinimorpha	Stygobiont	G1	TX	○	30	15
Caecidotea macropropoda Chase & Blair, 1937	Bat Cave Isopod	Isopoda	Stygobiont	G3 VU	AR, OK	○	27	○
Stygobromus mundus (Holsinger, 1967)	Bath County Cave Amphipod	Amphipoda	Stygobiont	G1 VU	VA	○	7	1
Bathynella fraterna Cho & Kim, 1997		Bathynellacea	Stygobiont		CA	○	○	○
Bathynella germanitas Cho & Kim, 1997		Bathynellacea	Stygobiont		CA	○	○	○
Bathynella riparia Pennak & Ward, 1985		Bathynellacea	Stygobiont		CO	○	1	○
Batriasymmodes greeveri Park, 1965		Coleoptera	Troglobiont	G1G2	TN	○	2	○
Batriasymmodes parki Barr, 1987		Coleoptera	Troglobiont	GH	WV	○	1	○
Batriasymmodes quisnamus (Park, O., 1951)		Coleoptera	Troglobiont	G3	KY, TN	○	3	○
Batriasymmodes spelaeus (Park, 1951)		Coleoptera	Troglobiont	G3G4	AL, GA, TN	○	○	2
Batriasymmodes troglodytes Park, 1951		Coleoptera	Troglobiont	G1G2	AL	○	○	○
Batrisodes barri Park, 1958		Coleoptera	Troglobiont	G1G2	TN	○	2	○
Batrisodes cavernosus Park, 1951		Coleoptera	Troglobiont	G1	AL	○	○	○
Batrisodes clypeospecus Park, 1960		Coleoptera	Troglobiont	G1G2	TN	○	○	○
Batrisodes dentifrons Chandler & Reddell, 2009		Coleoptera	Troglobiont	G1G2	TX	○	1	○
Batrisodes fanti Chandler & Reddell, 2009		Coleoptera	Troglobiont	G1G2	TX	○	1	○
Batrisodes feminiclypeus Chandler & Reddell, 2001		Coleoptera	Troglobiont	G1G2	TX	○	3	○
Batrisodes ferulifer Park, 1960		Coleoptera	Troglobiont	G1	TN	○	○	○
Batrisodes gemmoides Park, 1960		Coleoptera	Troglobiont	G1	TN	○	○	○
Batrisodes gemmus Park, 1956		Coleoptera	Troglobiont	G1	TN	○	○	○
Batrisodes gravesi Chandler & Reddell, 2001		Coleoptera	Troglobiont	G3	TX	○	14	○
Batrisodes grubbsi Chandler, 1992		Coleoptera	Troglobiont	G1G2	TX	○	3	○
Batrisodes henroti Park, 1956		Coleoptera	Troglobiont	G2G3	KY	○	2	○
Batrisodes hubrichti Park, 1958		Coleoptera	Troglobiont	G1	KY	○	2	○
Batrisodes incispes Chandler & Reddell, 2009		Coleoptera	Troglobiont	G1	TX	○	○	○
Batrisodes jocuvestus Park, 1960		Coleoptera	Troglobiont	G1	AL	○	○	○
Batrisodes jonesi Park, O., 1951		Coleoptera	Troglobiont	G2G3	AL	○	○	○
Batrisodes krekeleri Park, 1960		Coleoptera	Troglobiont		IN	○	○	○
Batrisodes pannosus Park, 1960		Coleoptera	Troglobiont	G1	TN	○	2	○
Batrisodes pekinsi Chandler & Reddell, 2009		Coleoptera	Troglobiont	G1	TX	○	2	○
Batrisodes profundus Park, 1956		Coleoptera	Troglobiont	G1G2	AL	○	○	○
Batrisodes reyesi Chandler, 1992		Coleoptera	Troglobiont	G2G3	TX	○	25	○
Batrisodes shadeae Chandler & Reddell, 2009		Coleoptera	Troglobiont	G1	TX	○	1	○
Batrisodes specus Park, 1951		Coleoptera	Troglobiont	G3G4	AL, TN	○	4	○
Batrisodes subterraneus Park, 1951		Coleoptera	Troglobiont	G1	AL	○	○	○
Batrisodes tumoris Park, 1960		Coleoptera	Troglobiont	G1	AL	○	○	○
Batrisodes valentinei Park, 1951		Coleoptera	Troglobiont	G2G4	AL, TN	○	○	○
Batrisodes wartoni Chandler & Reddell, 2001		Coleoptera	Troglobiont	G1G2	TX	○	1	○
Phreatodrobia rotunda Hershler & Longley, 1986	Beaked cavesnail	Littorinimorpha	Stygobiont	G1G2 DD	TX	○	9	8
Pseudanophthalmus beakleyi Valentine, 1937	Beakley's Cave Beetle	Coleoptera	Troglobiont	G3G4	KY, TN	○	○	○
Caecidotea beattyi Lewis & Bowman, 1981	Beatty's Groundwater Isopod	Isopoda	Stygobiont	G3G4	IL, IN, MO	○	16	13
Oreonetides beattyi Paquin et al., 2009	Beatty's Sheetweb Cave Spider	Araneae	Troglobiont	GNR	IN, MD, PA, TN, VA	○	○	○
Pseudanophthalmus major Krekeler, 1973	Beaver Cave Beetle	Coleoptera	Troglobiont	G1	KY	○	○	○
Belba bulbipedata (Packard, 1888)		Oribatida	Troglobiont	G1	KY	○	○	○
Pseudanophthalmus bendermani Barr, 1959	Benderman's Cave Beetle	Coleoptera	Troglobiont	G1G2	TN	○	○	○
Caecidotea carolinensis (Lewis & Bowman, 1977	Bennett's Mill Cave Isopod	Isopoda	Stygobiont	G2G3	NC, SC	○	4	○
Cambarus aculabrum Hobbs & Brown, 1987	Benton County Cave Crayfish	Decapoda	Stygobiont	G1 CR ESA	AR, MO	○	11	4
Gyrinophilus gulolineatus Brandon, 1965	Berry cave salamander	Caudata	Stygobiont	G1 EN	TN	○	31	34
Bicornucandona fineganensis Kulkoyluoglu et al., 2011		Podocopida	Stygobiont	GNR	TX	○	○	○
Stygobromus bifurcatus (Holsinger, 1967)	Bifurcated Cave Amphipod	Amphipoda	Stygobiont	G3G4 VU	TX	○	77	4
Procambarus horsti Hobbs & Means, 1972	Big Blue Spring Cave Crayfish	Decapoda	Stygobiont	G1 EN	FL	○	10	5
Procambarus delicatus Hobbs & Franz, 1986	Bigcheek Cave Crayfish	Decapoda	Stygobiont	G1 CR	FL	○	3	2
Sphalloplana subtilis Kenk, 1977	Biggers Cave Flatworm	Tricladida	Stygobiont	G1G2 NE	VA	○	3	○
Stygobromus biggersi Holsinger, 1978	Biggers' Cave Amphipod	Amphipoda	Stygobiont	G2G4	MD, PA, VA, WV	○	22	1
Bishopella jonesi Goodnight & Goodnight, 1942		Opiliones	Troglobiont	G1	AL	○	○	○
Pygmarrhopalites ater (Christiansen & Bellinger, 1998)	Black Medusa Cave Springtail	Symphypleona	Troglobiont	G3	IL, IN	○	○	○
Pseudotremia blacki Lewis, 2000	Black's Cave Milliped	Chordeumatida	Troglobiont	G1	IN	○	○	○
Trigenotyla blacki Shear, 2003	Black's cave millipede	Chordeumatida	Troglobiont	G1	OK	○	○	○
Blackburnia aaae (Samuelson & Liebherr, 1992)		Coleoptera	Troglobiont	G1G2	HI	○	○	○
Blackburnia howarthi (Samuelson & Liebherr, 1992)		Coleoptera	Troglobiont	G1G2	HI	○	○	○
Eurycea robusta (Longley, 1978)	Blanco Blind Salamander	Caudata	Stygobiont	G1 DD	TX	○	1	○
Blancosoma scaturgo Shear & Hubbard, 1998		Chordeumatida	Troglobiont	G1G2	CO	○	○	○
Glyphyalinia pecki Hubricht, 1966	Blind Glyph	Stylommatophora	Troglobiont	G1G2 DD	AL	○	5	○
Stygobromus blinni Wang & Holsinger, 2001	Blinn's Cave Amphipod	Amphipoda	Stygobiont	G1G2	AZ	○	2	○
Pseudanophthalmus ventus Barr, 1981	Blowing Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	○
Stygobromus spinosus (Hubricht & Mackin, 1940)	Blue Ridge Cave Amphipod	Amphipoda	Stygobiont	G3	VA	○	16	1
Pseudotremia indianae Hoffman, 1958	Blue River Cave Millipede	Chordeumatida	Troglobiont	G4	IN	○	5	○
Diacyclops conversus Reid, 2004	Blue River Groundwater Copepod	Cyclopoida	Stygobiont	G2	IN	○	3	○
Pseudanophthalmus audax (Horn, 1883)	Bold Cave Beetle	Coleoptera	Troglobiont	G1G2	KY	○	1	○
Conotyla bollmani (McNeill, 1887)	Bollman's Cave Millipede	Chordeumatida	Troglobiont	G3	IN	○	1	○
Texella reyesi Ubick & Briggs, 1992	Bone Cave Harvestman	Opiliones	Troglobiont	G2G3 ESA	TX	○	210	3
Stygobromus limbus Wang & Holsinger, 2001	Border Cave Amphipod	Amphipoda	Stygobiont	G1G2	TX	○	1	○
Stygobromus boultoni Wang & Holsinger, 2001	Boulton's Cave Amphipod	Amphipoda	Stygobiont	G1G2	AZ	○	4	○
Stygobromus bowmani (Holsinger, 1967)	Bowman's Cave Amphipod	Amphipoda	Stygobiont	G1G2 VU	OK	○	3	○
Brackenridgia cavernarum Ulrich, 1902		Isopoda	Troglobiont	G3G4	TX	○	8	○
Brackenridgia reddelli (Vandel, 1965)		Isopoda	Troglobiont	G2G3	TX	○	13	○
Calileptoneta briggsi Ledford, 2004	Briggs' Cave Spider	Araneae	Troglobiont	G1	CA	○	1	○
Cambarus setosus Faxon, 1889	Bristly Cave Crayfish	Decapoda	Stygobiont	G3 NT	AR, MO	○	51	11
Sphalloplana buchanani (Hyman, 1937)	Buchanan's Cave Flatworm	Tricladida	Stygobiont	G1G2	KY, MD, TN	○	10	○
Apochthonius hobbsi Muchmore, 1994	Buckskin Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	OH	○	○	○
Pseudotremia burnsorum Lewis, 2000	Burn's Cave Milliped	Chordeumatida	Troglobiont	G1G2	IN	○	○	○
Caconemobius albus Otte, 1994		Orthoptera	Troglobiont		HI	○	○	○
Caconemobius paralbus Otte, 1994		Orthoptera	Troglobiont		HI	○	○	○
Caconemobius uuku Otte, 1994		Orthoptera	Troglobiont		HI	○	1	○
Caecidotea acuticarpa Mackin & Hubricht, 1940		Isopoda	Stygobiont	G2G3	OK	○	26	○
Caecidotea adenta Mackin & Hubricht, 1940		Isopoda	Stygobiont	G1G2	OK	○	3	○
Caecidotea alabamensis Stafford, 1911		Isopoda	Stygobiont	G3G4	AL	○	128	○
Caecidotea ancyla (Fleming, 1972)		Isopoda	Stygobiont	G3G4	AR, MO, OK	○	34	○
Caecidotea antricola Creaser, 1931		Isopoda	Stygobiont	G5	AR, MO, OK	○	191	10
Caecidotea bilineata Lewis & Bowman, 1996		Isopoda	Stygobiont	G2G3	TX	○	4	○
Caecidotea catachaetus (Fleming & Steeves, 1972)		Isopoda	Stygobiont		GA, TN	○	10	○
Caecidotea circulus (Steeves & Holsinger, 1968)		Isopoda	Stygobiont	G1G2	TN	○	3	○
Caecidotea cyrtorhynchus (Fleming & Steeves, 1972)		Isopoda	Stygobiont	G1	GA	○	4	○
Caecidotea dauphina Modlin, 1986		Isopoda	Stygobiont		AL	○	2	○
Caecidotea dimorpha (Mackin & Hubricht, 1940)		Isopoda	Stygobiont	G2G3	AR, MO	○	17	○
Caecidotea extensolinguala (Fleming, 1972)		Isopoda	Stygobiont		MO	○	3	○
Caecidotea fisherorum Lewis & Lewis, 2023		Isopoda	Stygobiont	GNR	VA	○	○	15
Caecidotea fonticulus Lewis, 1983		Isopoda	Stygobiont	GNR	AR	○	5	○
Caecidotea lesliei Lewis & Bowman, 1981		Isopoda	Stygobiont	G1G2	IL	○	3	○
Caecidotea mackini Lewis, Graening, Fenolio & Bergey, 2006		Isopoda	Stygobiont	GNR	OK	○	3	○
Caecidotea metcalfi (Fleming, 1972)		Isopoda	Stygobiont	G1G2	KS	○	4	○
Caecidotea ornatus Lewis & Lewis, 2023		Isopoda	Stygobiont	G1	VA	○	○	21
Caecidotea packardi Mackin & Hubricht, 1940		Isopoda	Stygobiont	G2G4	IL, MO	○	34	10
Caecidotea paurotrigona (Fleming, 1972)		Isopoda	Stygobiont	G1G2	LA, MS	○	3	○
Caecidotea reddelli (Steeves, 1968)		Isopoda	Stygobiont	G3G4	TX	○	267	11
Caecidotea scyphus (Steeves & Holsinger, 1968)		Isopoda	Stygobiont	G1G2	TN, WV	○	○	○
Caecidotea simonini (Bresson, 1955)		Isopoda	Stygobiont	G1	WV	○	3	○
Caecidotea simulator Lewis, 1999		Isopoda	Stygobiont	G2G3	AR, KS, OK	○	7	○
Caecidotea sinuncus (Steeves, 1965)		Isopoda	Stygobiont	G1	WV	○	3	○
Caecidotea spatulata Mackin & Hubricht, 1940		Isopoda	Stygobiont	G3G4	IL, MO	○	6	○
Caecidotea teresae Lewis, 1982		Isopoda	Stygobiont	GX	IN	○	5	○
Caecidotea tridentata Hungerford, 1922		Isopoda	Stygobiont	G1G2	IL, KS	○	38	○
Calasellus californicus (Miller, 1933)		Isopoda	Stygobiont	G2	CA, OR	○	20	1
Calasellus longus Bowman, 1981		Isopoda	Stygobiont	G1	CA	○	3	○
Califobathynella noodti Cho, 1997		Bathynellacea	Stygobiont		CA	○	○	○
Califobathynella teucherti Cho, 1997		Bathynellacea	Stygobiont		CA	○	○	○
Sphalloplana californica Kenk, 1977	California Cave Flatworm	Tricladida	Stygobiont	G1G2	CA	○	4	○
Californibathynella californica Schminke & Noodt, 1988		Bathynellacea	Stygobiont		CA	○	○	○
Pseudotremia callae Lewis, 2009	Call's Cave Milliped	Chordeumatida	Troglobiont	G1	TN	○	○	○
Cambala speobia Chamberlin, 1953		Spirostreptida	Troglobiont	G4	TX	○	1.3k	○
Cambarincola alienus Holt, 1963		Branchiobdellida	Stygobiont	G1G2	KY, TN	○	9	○
Cambarincola dubius Holt, 1973		Branchiobdellida	Stygobiont	G1G2	IN	○	8	○
Cambarincola leoni Holt, 1973		Branchiobdellida	Stygobiont	G3	FL	○	13	○
Cambarincola marthae Holt, 1973		Branchiobdellida	Stygobiont	G1G2	TN	○	2	○
Cambarincola sheltensis Holt, 1973		Branchiobdellida	Stygobiont	G1G2	AL	○	12	○
Cambarincola steevesi Holt, 1973		Branchiobdellida	Stygobiont	G3	KY	○	6	○
Faxonius stygocaneyi (Hobbs, 2001)	Caney Mountain Cave Crayfish	Decapoda	Stygobiont	G1 LC	MO	○	2	5
Caecidotea cannula (Steeves, 1963)	Cannulate Cave Isopod	Isopoda	Stygobiont	G1	WV	○	12	○
Stygobromus sextarius Holsinger, 2009	Capital Area Groundwater Amphipod	Amphipoda	Stygobiont	G1	DC, MD, VA	○	4	○
Aphrastochthonius similis Muchmore, 1984	Carlow's Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	CA	○	○	○
Carnarimelita janstocki Bousfield, 1990		Amphipoda	Stygobiont		HI	○	6	○
Stygobromus carolinensis Holsinger, 1978	Carolina Seep Amphipod	Amphipoda	Stygobiont	GH	NC	○	4	○
Pygmarrhopalites carolynae (Christiansen & Bellinger, 1996)	Carolyn's Cave Springtail	Symphypleona	Troglobiont	G4	IL, IN, VA, WV	○	○	○
Stygobromus dejectus (Holsinger, 1967)	Cascade Cave Amphipod	Amphipoda	Stygobiont	G1G2 VU	TX	○	4	7
Stygobromus canadensis Holsinger, 1980	Castleguard Cave Amphipod	Amphipoda	Stygobiont	G1	AB	○	2	○
Pseudanophthalmus catherinae Barr, 1959	Catherine's Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	○
Catopocerus alabamae Peck, 1975		Coleoptera	Troglobiont	GNR	AL	○	1	○
Catopocerus jonesi Peck, 1975		Coleoptera	Troglobiont	GNR	AL	○	1	○
Causeyella causeyae Shear, 2003		Chordeumatida	Troglobiont		AR	○	○	○
Causeyella dendropus (Loomis, 1939)	Causeyella Cave Millipede	Chordeumatida	Troglobiont	G3	AR, MO	○	1	○
Causeyella youngsteadtorum Shear, 2003		Chordeumatida	Troglobiont		AR	○	○	○
Cavaticovelia aaa (Gagne & Howarth, 1975)		Heteroptera	Troglobiont	G1G2 NE	HI	○	8	○
Bactrurus speleopolis Holsinger, Sawicki, & Graening, 2006	Cave City Cave Amphipod	Amphipoda	Stygobiont	G1	AR	○	4	○
Spelobia tenebrarum (Aldrich, 1897)	Cave dung fly	Diptera	Troglobiont	G5	AL, AR, GA, IL, IN, KY, MO, NY, OK, PA, TN, VA, WV	○	1	○
Physella spelunca Turner & Clench, 1974	Cave Physa	Basommatophora	Stygobiont	G1 VU	WY	○	11	4
Islandiana cavealis Ivie, 1965	Cave Sheet-web Spider	Araneae	Troglobiont	GNR	IN	○	○	○
Islandiana lewisi Milne & Wells, 2018	cave sheet-web spider	Araneae	Troglobiont	G1	IN	○	○	○
Nesticus jonesi Gertsch, 1984	Cave Spring Cave Spider	Araneae	Troglobiont	G1	AL	○	1	4
Carychium stygium Call, 1897	Cave thorn	Basommatophora	Troglobiont	G3	AL, KY, TN	○	72	6
Islandiana speophila Ivie, 1965	Cavern Sheet-web Spider	Araneae	Troglobiont	G1	WV	○	○	○
Stygobromus caecilius Holsinger, 2011	Cecil Groundwater Amphipod	Amphipoda	Stygobiont	G1	MD	○	1	○
Stygobromus exilis Hubricht, 1943	Central Kentucky Cave Amphipod	Amphipoda	Stygobiont	G5	AL, KY, TN	○	105	○
Pseudotremia cerberus Shear, 2011	Cerberus Cave Milliped	Chordeumatida	Troglobiont	G1	VA	○	○	○
Chaetaspis attenuatus Lewis & Slay, 2013		Polydesmida	Troglobiont		AR	○	○	○
Chaetaspis debilis (Causey, 1959)		Polydesmida	Troglobiont		TN	○	○	○
Chaetaspis fragilis (Loomis, 1943)		Polydesmida	Troglobiont	GNR	KY	○	2	○
Chaetaspis mollis (Causey, 1959)		Polydesmida	Troglobiont	G1	TN	○	○	○
Sphalloplana chandleri Kenk, 1977	Chandler's Cave Flatworm	Tricladida	Stygobiont	G1G2	IN, TN, VA	○	17	○
Cheiridium reyesi Muchmore, 1992		Pseudoscorpiones	Troglobiont	G1G2	TX	○	○	○
Chinquipellobunus madlae (Goodnight & Goodnight, 1967)		Opiliones	Troglobiont	G4	TX	○	284	○
Chinquipellobunus russelli (Goodnight & Goodnight, 1967)		Opiliones	Troglobiont	G2G3	TX	○	21	○
Chitrella archeri Malcolm & J. C. Chamberlin, 1960		Pseudoscorpiones	Troglobiont	G1G2	TN	○	○	○
Chitrella elliotti Muchmore, 1992		Pseudoscorpiones	Troglobiont	G1G2	TX	○	○	○
Chitrella major Muchmore, 1992		Pseudoscorpiones	Troglobiont	G1G2	TX	○	○	○
Chitrella superba Muchmore, 1973		Pseudoscorpiones	Troglobiont	G1	VA	○	○	○
Chitrella welbourni Muchmore, 1992		Pseudoscorpiones	Troglobiont	G1G2	NM	○	○	○
Chitrellina chiricahuae Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1G2	AZ	○	○	○
Pseudosinella christianseni Salmon, 1965	Christiansen's Cave Springtail	Entomobryomorpha	Troglobiont	G5	AL, GA, KY, TN, VA	○	○	○
Cicurina bandera Gertsch, 1992		Araneae	Troglobiont	G2G3	TX	○	2	○
Cicurina barri Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	1	○
Cicurina browni Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina brunsi Cokendolpher, 2004		Araneae	Troglobiont		TX	○	4	○
Cicurina bullis Cokendolpher, 2004		Araneae	Troglobiont		TX	○	14	○
Cicurina buwata Chamberlin & Ivie, 1940		Araneae	Troglobiont	G1G2	TX	○	1	107
Cicurina caliga Cokendolpher & Reddell, 2001		Araneae	Troglobiont	GNR	TX	○	8	3
Cicurina caverna Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina coryelli Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	5	1
Cicurina delrio Gertsch, 1992		Araneae	Troglobiont		TX	○	○	○
Cicurina ezelli Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	1
Cicurina gruta Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	1	○
Cicurina holsingeri Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina hoodensis Cokendolpher & Reddell, 2001		Araneae	Troglobiont	GNR	TX	○	35	11
Cicurina joya Gertsch, 1992		Araneae	Troglobiont		TX	○	○	○
Cicurina loftini Cokendolpher, 2004		Araneae	Troglobiont		TX	○	○	○
Cicurina machete Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina mckenziei Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina medina Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina menardia Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina mirifica Gertsch, 1992		Araneae	Troglobiont		TX	○	○	○
Cicurina mixmaster Cokendolpher & Reddell, 2001		Araneae	Troglobiont	GNR	TX	○	3	1
Cicurina neovespera Cokendolpher, 2004		Araneae	Troglobiont		TX	○	4	○
Cicurina obscura Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina orellia Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina pablo Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina pastura Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina patei Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina platypus Cokendolpher, 2004		Araneae	Troglobiont		TX	○	1	○
Cicurina porteri Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina puentecilla Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	4	7
Cicurina rainesi Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	2	○
Cicurina reclusa Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	1	○
Cicurina reddelli Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	1
Cicurina russelli Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina sansaba Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina selecta Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	1	○
Cicurina serena Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	1	○
Cicurina sheari Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina sprousei Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	2	○
Cicurina stowersi Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	1	○
Cicurina suttoni Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina travisae Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	11	208
Cicurina troglobia Cokendolpher, 2004		Araneae	Troglobiont	GNR	TX	○	2	○
Cicurina ubicki Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina uvalde Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	2	○
Cicurina venefica Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina vibora Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	2	4
Cicurina watersi Gertsch, 1992		Araneae	Troglobiont	G1G2	TX	○	○	○
Cicurina wiltoni Gertsch, 1992		Araneae	Troglobiont	G1	AL	○	○	○
Cirolanides texensis Benedict, 1896		Isopoda	Stygobiont	G4	TX	○	431	130
Cirolanides wassenichae Schwartz et al., 2019		Isopoda	Stygobiont		TX	○	76	38
Stygobromus clantoni (Creaser, 1934)	Clanton's Cave Amphipod	Amphipoda	Stygobiont	G4 VU	KS, MO	○	35	○
Pseudotremia nefanda Shear, 1972	Clark Cave Millipede	Chordeumatida	Troglobiont	G3G4	IN	○	2	○
Pygmarrhopalites clarus (Christiansen, 1966)	Clarus Cave Springtail	Symphypleona	Troglobiont	G4	AR, MO, SD, VA, WA, WI, WV	○	3	○
Pseudanophthalmus caecus Krekeler, 1973	Clifton Cave Beetle	Coleoptera	Troglobiont	G1	KY	○	○	○
Caecidotea barri (Steeves, 1965)	Clifton Cave Isopod	Isopoda	Stygobiont	G1 EN	KY	○	3	○
Calicina cloughensis (Briggs & Hom, 1967)	Clough Cave Harvestman	Opiliones	Troglobiont	G1	CA	○	5	7
Pseudanophthalmus gracilis Valentine, 1931	Clover Hollow Cave Beetle	Coleoptera	Troglobiont	G1G2	VA	○	1	○
Mexistenasellus coahuila Cole & Minckley, 1972	Coahuila Groundwater Isopod	Isopoda	Stygobiont	G2G3 EN	TX	○	44	2
Procambarus leitheuseri Franz & Hobbs, 1983	Coastal Lowland Cave Crayfish	Decapoda	Stygobiont	G1G2 EN	FL	○	12	5
Coecobrya kukae (Christiansen & Bellinger, 1992)		Entomobryomorpha	Troglobiont	G1G2	HI	○	1	○
Coecobrya lua (Christiansen & Bellinger, 1992)		Entomobryomorpha	Troglobiont	G1G2	HI	○	1	○
Coecobrya nupa (Christiansen & Bellinger, 1992)		Entomobryomorpha	Troglobiont	G1G2	HI	○	1	○
Batrisodes cryptotexanus Chandler & Reddell, 2001	Coffin Cave Mold Beetle	Coleoptera	Troglobiont	G2	TX	○	28	○
Texella cokendolpheri Ubick & Briggs, 1992	Cokendolpher Cave Harvestman	Opiliones	Troglobiont	G1 ESA	TX	○	5	○
Pseudanophthalmus colemanensis Barr, 1959	Coleman Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	7
Coloradesmus aquiliensis (Shear, 1984)		Polydesmida	Troglobiont	G1G2	CO	○	7	○
Coloradesmus beckleyi Shear & Steinmann, 2019		Polydesmida	Troglobiont		CO	○	2	○
Coloradesmus hopkinsae Shear & Steinmann, 2019		Polydesmida	Troglobiont		CO	○	3	○
Coloradesmus manitou Shear & Steinmann, 2019		Polydesmida	Troglobiont		CO	○	6	○
Coloradesmus warneri Shear & Steinmann, 2019		Polydesmida	Troglobiont		CO	○	7	○
Stygobromus coloradensis Ward, 1977	Colorado Cave Amphipod	Amphipoda	Stygobiont	G1G2	CO	○	16	○
Columbasellus acheron Lewis et al., 2003		Isopoda	Stygobiont		WA	○	1	○
Eurycea tridentifera Mitchell & Reddell, 1965	Comal Blind Salamander	Caudata	Stygobiont	G3 VU	TX	○	○	○
Comaldessus stygius Spangler & Barr, 1995	Comal Springs Diving Beetle	Coleoptera	Stygobiont	G1	TX	○	3	3
Stygoparnus comalensis Barr & Spangler, 1992	Comal Springs Dryopid Beetle	Coleoptera	Stygobiont	G1G2 ESA	TX	○	14	○
Comalcandona mixoni Kulkoyluoglu et al., 2019		Podocopida	Stygobiont		TX	○	○	○
Comalcandona tressleri Kulkoyluoglu & Gibson, 2018		Podocopida	Stygobiont		TX	○	○	○
Conasellus burkensis (Lewis & Lewis, 2021)		Isopoda	Stygobiont	GNR	VA	○	○	○
Conasellus jeffersoni (Lewis, 2009)		Isopoda	Stygobiont		VA	○	○	○
Conasellus kenki (Bowman, 1967)		Isopoda	Stygobiont	G3	DC, MD, PA, VA	○	○	○
Conasellus phreaticus (Lewis & Holsinger, 1985)		Isopoda	Stygobiont	G2G3	VA	○	○	○
Conasellus washingtoni Lewis & Lewis, 2023		Isopoda	Stygobiont		DC	○	○	○
Pseudanophthalmus abditus Krekeler, 1973	Concealed Cave Beetle	Coleoptera	Troglobiont	G3	KY	○	○	○
Condeicampa langei Ferguson, 1996		Rhabdura	Troglobiont	GNR	TN	○	○	○
Conotyla vista Shear, 1971		Chordeumatida	Troglobiont	GH	WV	○	1	○
Stygobromus conradi (Holsinger, 1967)	Conrad's Cave Amphipod	Amphipoda	Stygobiont	G1 VU	VA	○	15	○
Pseudotremia cookorum Lewis, 2000	Cook's Cave Milliped	Chordeumatida	Troglobiont	G1G2	IN	○	○	○
Litocampa cookei (Packard, 1871)	Cooke's Cave Dipluran	Rhabdura	Troglobiont	G5	AL, KY, TN, VA	○	2	○
Stygobromus cooperi (Holsinger, 1967)	Cooper's Cave Amphipod	Amphipoda	Stygobiont	G1G2 VU	WV	○	4	○
Stygobromus cowani Wang & Holsinger, 2001	Cowan's Cave Amphipod	Amphipoda	Stygobiont	G1	CA	○	2	○
Stygobromus estesi Holsinger, 1978	Craig County Cave Amphipod	Amphipoda	Stygobiont	G4	VA	○	9	○
Crangonyx caecus Zhang & Holsinger, 2003		Amphipoda	Stygobiont	G1	KY	○	19	○
Crangonyx castellanum Zhang & Holsinger, 2003		Amphipoda	Stygobiont	G1	KY	○	13	○
Crangonyx specus Zhang & Holsinger, 2003		Amphipoda	Stygobiont	G1	KY	○	23	○
Crosbyella distincta Goodnight & Goodnight, 1942		Opiliones	Troglobiont	G1G2	AR	○	○	○
Crosbyella roeweri Goodnight & Goodnight, 1967		Opiliones	Troglobiont	G1G2	AR	○	○	○
Pseudanophthalmus intersectus Barr, 1965	Crossroads Cave Beetle	Coleoptera	Troglobiont	G1G2	VA	○	○	○
Cryptocreagris destica Harvey & Muchmore, 2010		Pseudoscorpiones	Troglobiont		CO	○	3	○
Cryptocreagris steinmanni Harvey & Muchmore, 2010		Pseudoscorpiones	Troglobiont		CO	○	3	○
Pseudanophthalmus simulans Barr, 1985	Cub Run Cave Beetle	Coleoptera	Troglobiont	G1	KY	○	○	○
Stygobromus culveri Holsinger, 1978	Culver's Cave Amphipod	Amphipoda	Stygobiont	G1	WV	○	4	○
Sphalloplana culveri Kenk, 1977	Culver's Cave Flatworm	Tricladida	Stygobiont	G1	WV	○	1	○
Pseudotremia culveri Shear, 2011	Culver's Cave Milliped	Chordeumatida	Troglobiont	G1	VA	○	○	○
Stygobromus cumberlandus Holsinger, 1978	Cumberland Cave Amphipod	Amphipoda	Stygobiont	G3G4	VA	○	9	○
Bactrurus angulus Koenemann & Holsinger, 2001	Cumberland Gap Cave Amphipod	Amphipoda	Stygobiont	G1	TN, VA	○	4	○
Pseudanophthalmus hirsutus Valentine, 1931	Cumberland Gap Cave Beetle	Coleoptera	Troglobiont	G1G2	TN, VA	○	3	○
Caecidotea cumberlandensis Lewis, 2000	Cumberland Gap Cave Isopod	Isopoda	Stygobiont	G1G2	VA	○	2	3
Orconectes barri Buhay & Crandall, 2008	Cumberland Plateau Cave Crayfish	Decapoda	Stygobiont	G2 DD	KY, TN	○	14	66
Stygobromus curroae Wang & Holsinger, 2001	Curro's Cave Amphipod	Amphipoda	Stygobiont	G1G2	NM	○	3	○
Cyclops cavernarum Ulrich, 1902		Cyclopoida	Stygobiont	GNR	TX	○	○	○
Cyclops learii Ulrich, 1902		Cyclopoida	Stygobiont		TX	○	○	○
Cypria lacrima Kulkoyluoglu et al., 2017		Podocopida	Stygobiont	GNR	TX	○	○	○
Darlingtonea kentuckensis Valentine, 1952		Coleoptera	Troglobiont	G3G4	KY, TN	○	15	88
Pseudanophthalmus deceptivus Barr, 1981	Deceptive Cave Beetle	Coleoptera	Troglobiont	G1	VA	○	○	○
Cambarus subterraneus Hobbs III, 1993	Delaware County Cave Crayfish	Decapoda	Stygobiont	G1 CR	OK	○	7	6
Pseudanophthalmus delicatus Valentine, 1932	Delicate Cave Beetle	Coleoptera	Troglobiont	G3G4	VA	○	○	○
Dendrocoelopsis americana (Hyman, 1939)		Tricladida	Stygobiont	G3	AR, MO, OK, TX	○	30	○
Dendronucleata americana Moravec & Huffman, 2000		Neoechinorhynchida	Stygobiont		TX	○	2	○
Pseudotremia inexpectata Shear, 2011	Devault's Cave Milliped	Chordeumatida	Troglobiont	G1	VA	○	○	○
Stygobromus hadenoecus (Holsinger, 1966)	Devil's Sinkhole Amphipod	Amphipoda	Stygobiont	G1G2 VU	TX	○	38	○
Diacyclops alabamensis Reid, 1992		Cyclopoida	Stygobiont		AL	○	2	○
Diacyclops chrisae Reid, 1992		Cyclopoida	Stygobiont		MD	○	5	○
Diacyclops jeanneli (Chappuis, 1929)		Cyclopoida	Stygobiont	G1G2	IN	○	6	○
Diacyclops nikolasarburni Suarez-Morales et al., 2013		Cyclopoida	Stygobiont		NM	○	4	○
Stygobromus dicksoni Holsinger, 1978	Dickson cave stygobromid	Amphipoda	Stygobiont	G5	AL, GA, TN	○	22	○
Dinocheirus cavicola Muchmore, 1992		Pseudoscorpiones	Troglobiont	G2G3	TX	○	○	○
Phreatodrobia plana Hershler & Longley, 1986	Disc cavesnail	Littorinimorpha	Stygobiont	G2	TX	○	7	3
Phreatodrobia nugax (Pilsbry & Ferriss, 1906)	Domed Cavesnail	Littorinimorpha	Stygobiont	G1G2 DD	TX	○	103	13
Megacyclops donnaldsoni (Chappuis, 1929)	Donaldson's Cave Copepod	Cyclopoida	Stygobiont	G3G4	GA, IN, KY, TN	○	1	○
Hamohalacarus subterraneus Walter, 1931	Donaldson's Cave Water Mite	Actinedida	Stygobiont	G1	IN	○	○	○
Stygobromus doughertyensis Cannizzaro & Sawicki in Cannizzaro, Balding, Stine & Sawicki, 2019	Dougherty Plain Cave Amphipod	Amphipoda	Stygobiont	G1G2	FL, GA	○	6	○
Cambarus cryptodytes Hobbs, 1941	Dougherty Plain Cave Crayfish	Decapoda	Stygobiont	G2G3 LC	FL, GA	○	47	6
Pseudotremia douglasi Lewis, 2009	Douglas' Cave Milliped	Chordeumatida	Troglobiont	G1	TN	○	○	○
Pseudanophthalmus montanus Barr, 1965	Dry Fork Valley Cave Beetle	Coleoptera	Troglobiont	G1	WV	○	1	○
Apochthonius paucispinosus Muchmore, 1967	Dry Fork Valley Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	WV	○	○	○
Pseudanophthalmus tullahoma Barr, 1959	Duck River Cave Beetle	Coleoptera	Troglobiont	G1G2	TN	○	○	○
Caecidotea dunlaporum Lewis, 2015	Dunlap's Groundwater Isopod	Isopoda	Stygobiont	GNR	IN	○	○	4
Pseudanophthalmus acherontis Barr, 1959	Echo Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	○
Haideoporus texanus Young & Longley, 1976	Edwards Aquifer Diving Beetle	Coleoptera	Stygobiont	G1G2 NE	TX	○	43	8
Eidmannella bullata Gertsch, 1984		Araneae	Troglobiont	G1G2	TX	○	1	○
Eidmannella delicata Gertsch, 1984		Araneae	Troglobiont	G1G2	TX	○	○	○
Eidmannella nasuta Gertsch, 1984		Araneae	Troglobiont	G1G2	TX	○	○	○
Eidmannella reclusa Gertsch, 1984		Araneae	Troglobiont	G1G2	TX	○	13	○
Eidmannella rostrata Gertsch, 1984		Araneae	Troglobiont	G4	TX	○	262	○
Eidmannella tuckeri Cokendolpher & Reddell, 2001		Araneae	Troglobiont	GNR	TX	○	1	○
Eleodes microps Aalbu et al., 2012		Coleoptera	Troglobiont		CA	○	12	5
Pseudanophthalmus pusio (Horn, 1868)	Ellet Valley Cave Beetle	Coleoptera	Troglobiont	G2G3	VA	○	5	○
Pseudotremia cavernarum Cope, 1869	Ellett Valley Pseudotremia Millipede	Chordeumatida	Troglobiont	G2G3	VA	○	8	○
Stygobromus elliotti Holsinger, 1974	Elliott's Cave Amphipod	Amphipoda	Stygobiont	G1G2	WA	○	11	○
Elliotta howarthi (Elliott, 1976)		Actinedida	Troglobiont	G1G2	WA	○	○	○
Fissilicreagris imperialis (Muchmore, 1969)	Empire Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1 VU	CA	○	○	○
Neochthonius imperialis Muchmore, 1996	Empire Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	CA	○	1	○
Pseudanophthalmus englehardti (Barber, 1928)	Englehardt's Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	○
Fontigens antroecetes Hubricht, 1972	Enigmatic ghostsnail	Littorinimorpha	Stygobiont	G2 VU	IL, MO	○	35	1
Entomobrya troglodytes Christiansen, 1958		Entomobryomorpha	Troglobiont	G2G3	CO, SD	○	○	○
Stygobromus ephemerus (Holsinger, 1969)	Ephemeral Cave Amphipod	Amphipoda	Stygobiont	G1G2 VU	VA	○	9	○
Eremidrilus allegheniensis (Cook, 1971)		Lumbriculida	Stygobiont	G1G2	TN	○	3	○
Eremidrilus coyote Fend & Rodriguez, 2003		Lumbriculida	Stygobiont		CA	○	19	8
Eremidrilus elegans Fend & Rodriguez, 2003		Lumbriculida	Stygobiont		CA	○	20	○
Eremidrilus felini Fend & Rodriguez, 2003		Lumbriculida	Stygobiont		CA	○	28	○
Eremidrilus parvitheca Fend, 2023		Lumbriculida	Stygobiont		TX	○	6	○
Eremidrilus ritocsi Fend & Rodriguez, 2003		Lumbriculida	Stygobiont		CA	○	10	○
Eremidrilus samacos Fend, 2023		Lumbriculida	Stygobiont		TX	○	8	○
Ergodesmus remingtoni (Hoffman, 1962)		Polydesmida	Troglobiont	G3	IL	○	1	○
Erigone stygius Gertsch, 1973		Araneae	Troglobiont	G1G2	HI	○	○	○
Pseudosinella espana Christiansen, 1961	Espana Cave Springtail	Entomobryomorpha	Troglobiont	G3	MO	○	1	○
Pseudanophthalmus exoticus Krekeler, 1973	Exotic Cave Beetle	Coleoptera	Troglobiont	G1	KY	○	1	○
Stygobromus flagellatus (Benedict, 1896)	Ezell's Cave Amphipod	Amphipoda	Stygobiont	G2G3 VU	TX	○	308	5
Bactrurus pseudomucronatus Koenemann & Holsinger, 2001	False Sword-tailed Cave Amphipod	Amphipoda	Stygobiont	G2G3	AR, MO	○	25	5
Stygobromus felleri Holsinger, 2011	Feller's Groundwater Amphipod	Amphipoda	Stygobiont	G1	MD	○	3	○
Stygobromus fergusoni Holsinger, 1978	Ferguson's Cave Amphipod	Amphipoda	Stygobiont	G1	VA	○	5	1
Pseudotremia fergusoni Shear, 2011	Ferguson's Cave Milliped	Chordeumatida	Troglobiont	G1	VA	○	○	○
Caecidotea filicispeluncae Bowman & Hobbs, 1983	Fern Cave Isopod	Isopoda	Stygobiont	G1	OH	○	3	○
Litocampa fieldingae (Conde, 1949)	Fielding's Cave Dipluran	Rhabdura	Troglobiont	G2G3	VA, WV	○	○	○
Stygobromus finleyi Holsinger, 1978	Finley's Cave Amphipod	Amphipoda	Stygobiont	G3G4	TN, VA	○	8	○
Pseudotremia piscator Shear, 2011	Fisher Cave Milliped	Chordeumatida	Troglobiont	G1	VA	○	○	○
Flabellorhagidia pecki Elliott, 1976		Actinedida	Troglobiont	G1G2	ID	○	○	○
Phreatodrobia micra (Pilsbry & Ferriss, 1906)	Flattened Cavesnail	Littorinimorpha	Stygobiont	G2G3	TX	○	573	10
Crangonyx parhobbsi Cannizzaro & Sawicki in Cannizzaro, Balding, Lazo-Wasem & Sawicki, 2020	Florida Big Bend Cave Amphipod	Amphipoda	Stygobiont	G1G2	FL, GA	○	13	89
Crangonyx grandimanus Bousfield, 1963	Florida Cave Amphipod	Amphipoda	Stygobiont	G2G3 VU	FL	○	67	13
Caecidotea hobbsi (Maloney, 1939)	Florida Cave Isopod	Isopoda	Stygobiont	G1G2	FL, GA	○	17	8
Mexistenasellus floridensis Lewis & Sawicki, 2016	Florida Cave Isopod	Isopoda	Stygobiont	G1	FL	○	3	○
Stygobromus floridanus Holsinger & Sawicki, 2016	Florida Panhandle Cave Amphipod	Amphipoda	Stygobiont	G1G2	FL	○	12	43
Forcipomyia pholetor Wirth & Howarth, 1982		Diptera	Troglobiont		HI	○	○	○
Pseudosinella fonsa Christiansen & Bellinger, 1996	Fountain Cave Springtail	Entomobryomorpha	Troglobiont	G3G4	IN, OH, TN	○	1	○
Typhlogastrura fousheensis Christiansen & Wang, 2006	Foushee Cave Springtail	Poduromorpha	Troglobiont	G1	AR	○	1	○
Amnicola cora Hubricht, 1979	Foushee Cavesnail	Littorinimorpha	Stygobiont	G1 VU	AR	○	9	○
Foveacheles auricularia Zacharda & Elliott, 1985		Actinedida	Troglobiont		CA	○	○	○
Foveacheles goffi Zacharda, 1982		Actinedida	Troglobiont	G1G2	HI	○	1	○
Foveacheles tenorioae Zacharda, 1982		Actinedida	Troglobiont	G1G2	HI	○	○	○
Foveacheles titanica Zacharda & Elliott, 1985		Actinedida	Troglobiont	G2G3	CA	○	○	○
Pseudanophthalmus fowlerae Barr, 1980	Fowler's Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	○
Stygobromus franzi Holsinger, 1978	Franz's Cave Amphipod	Amphipoda	Stygobiont	G3G4	MD, PA, WV	○	46	○
Caecidotea franzi (Holsinger & Steeves, 1971)	Franz's Cave Isopod	Isopoda	Stygobiont	G2G4	KY, MD, PA, WV	○	15	○
Stygobromus amicus Holsinger, 2014	Friendly Cave Amphipod	Amphipoda	Stygobiont	G1	MD	○	4	○
Caecidotea rotunda Bowm& & Lewis, 1984	Frost Cave Isopod	Isopoda	Stygobiont	G2G4	IN, OH	○	17	32
Caecidotea fustis Lewis, 1981	Fustis Cave Isopod	Isopoda	Stygobiont	G3	MO	○	15	○
Banksula galilei Briggs, 1974	Galile's Cave Harvestman	Opiliones	Troglobiont	G1	CA	○	1	○
Stygobromus gallawayae Wang & Holsinger, 2001	Gallaway's Cave Amphipod	Amphipoda	Stygobiont	G1	CA	○	3	○
Galumna alata (Hermann, 1804)		Oribatida	Troglobiont	G1G2	KY	○	○	○
Gammarus cohabitus Holsinger & Shafer, 2008		Amphipoda	Stygobiont	G1G2	PA	○	10	○
Gammarus minus tenuipes Shoemaker, 1940		Amphipoda	Stygobiont		VA, WV	○	○	○
Pseudosinella certa Christiansen & Bellinger, 1980	Gandy Creek Cave Springtail	Entomobryomorpha	Troglobiont	G1	WV	○	1	○
Pseudanophthalmus hortulanus Barr, 1965	Garden Cave Beetle	Coleoptera	Troglobiont	G1	VA	○	1	○
Pseudotremia garlandae Lewis, 2005	Garland's Cave Millipede	Chordeumatida	Troglobiont	G1	TN	○	○	○
Pseudanophthalmus horni (Garman, 1892)	Garman's Cave Beetle	Coleoptera	Troglobiont	G3	KY	○	8	○
Geocentrophora cavernicola Carpenter, 1970		Alloecoela	Stygobiont	G2	KY, VA, WV	○	2	○
Eurycea wallacei (Carr, 1939)	Georgia Blind Salamander	Caudata	Stygobiont	G1G2 VU	FL, GA	○	175	22
Pseudanophthalmus georgiae Barr, 1981	Georgia Cave Beetle	Coleoptera	Troglobiont	G1G2	GA	○	○	○
Sphalloplana georgiana Hyman, 1954	Georgia Cave Flatworm	Tricladida	Stygobiont	G1	GA	○	2	○
Nesticus georgia Gertsch, 1984	Georgia Cave Spider	Araneae	Troglobiont	G1G2	GA	○	2	4
Pseudotremia lusciosa (Loomis, 1939)	Germany Valley Cave Millipede	Chordeumatida	Troglobiont	G1	WV	○	2	○
Kleptochthonius gertschi Malcolm & Chamberlin, 1961	Gertsch's Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	VA	○	○	○
Orconectes inermis Cope, 1872	Ghost Crayfish	Decapoda	Stygobiont	G5 LC	IN, KY	○	114	3
Comalcandona gibsoni Kulkoyluoglu, 2019	Gibson's Groundwater Ostracod	Podocopida	Stygobiont		TX	○	○	○
Glacicavicola bathyscioides Westcott, 1968		Coleoptera	Troglobiont	G3 VU	ID, WY	○	4	○
Stygobromus glacialis Wang & Holsinger, 2001	Glacier National Park Cave Amphipod	Amphipoda	Stygobiont	G1	MT	○	7	○
Cicurina vespera Gertsch, 1992	Government Canyon Bat Cave Meshweaver	Araneae	Troglobiont	G1 ESA	TX	○	6	○
Tayshaneta microps (Gertsch, 1974)	Government Canyon Bat Cave Spider	Araneae	Troglobiont	G1 ESA	TX	○	24	○
Stygobromus gradyi Holsinger, 1974	Grady's Cave Amphipod	Amphipoda	Stygobiont	G1 VU	CA	○	9	○
Stygobromus grahami Holsinger, 1974	Graham's Cave Amphipod	Amphipoda	Stygobiont	G2	CA	○	15	○
Larca cavicola (Muchmore, 1981)	Grand Canyon Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1G2	AZ	○	○	○
Zygonopus weyeriensis Causey, 1960	Grand Caverns Blind Cave Millipede	Chordeumatida	Troglobiont	G3G4	VA, WV	○	○	○
Grandidierella palama Barnard, 1977		Amphipoda	Stygobiont		HI	○	4	○
Pseudanophthalmus jonesi Valentine, 1945	Grassy Cove Cave Beetle	Coleoptera	Troglobiont	G1G2	TN	○	3	○
Nesticus dilutus Gertsch, 1984	Grassy Creek Cave Spider	Araneae	Troglobiont	G1	TN	○	2	4
Kleptochthonius griseomanus Muchmore, 2000	Gray-handed Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G2	IN	○	○	○
Microcreagris grandis Muchmore, 1962	Great Basin Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1G2	NV	○	12	2
Pseudanophthalmus pholeter Krekeler, 1973	Greater Adams Cave Beetle	Coleoptera	Troglobiont	G1	KY	○	2	○
Stygobromus emarginatus Hubricht, 1943	Greenbrier Cave Amphipod	Amphipoda	Stygobiont	G3 VU	MD, WV	○	82	2
Cambarus nerterius Hobbs, 1964	Greenbrier Cave Crayfish	Decapoda	Stygobiont	G1 NT	WV	○	26	2
Fontigens turritella Hubricht, 1976	Greenbrier Cavesnail	Littorinimorpha	Stygobiont	G1 NT	WV	○	8	○
Pseudotremia fulgida Loomis, 1943	Greenbrier Valley Cave Millipede	Chordeumatida	Troglobiont	G3	WV	○	2	○
Kleptochthonius henroti (Vachon, 1952)	Greenbrier Valley Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G2	WV	○	1	○
Stygobromus sparsus Holsinger, 1978	Gregory Cave Amphipod	Amphipoda	Stygobiont	G1	TN	○	8	○
Cottus specus Adams et al. 2013	Grotto sculpin	Scorpaeniformes	Stygobiont	G2 ESA	MO	○	10	21
Aphrastochthonius grubbsi Muchmore, 1984	Grubb's Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	CA	○	○	○
Banksula grubbsi Briggs & Ubick, 1981	Grubbs' Cave Harvestman	Opiliones	Troglobiont	G1	CA	○	1	○
Larca guadalupensis (Muchmore, 1981)	Guadalupe Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1G2	TX	○	○	○
Hesperochernes occidentalis (Hoff & Bolsterli, 1956)	Guano Pseudoscorpion	Pseudoscorpiones	Troglobiont	G5	AR, MO, OK, TX	○	9	○
Halocaridina palahemo Kensley & Williams, 1986		Decapoda	Stygobiont	G1	HI	○	3	○
Halocaridina rubra Holthuis, 1963		Decapoda	Stygobiont	G3	HI	○	25	337
Haplotaxis brinkhursti Cook, 1975		Haplotaxida	Stygobiont	G1	WV	○	○	○
Stygobromus harai Holsinger, 1974	Hara's Cave Amphipod	Amphipoda	Stygobiont	G1 VU	CA	○	6	○
Pseudotremia jaculohamatum Shear, 2011	Harpoon Cave Milliped	Chordeumatida	Troglobiont	G1	VA	○	○	○
Ptomaphagus hatchi Jeannel, 1933	Hatch's Cave Fungus Beetle	Coleoptera	Troglobiont	G3	AL, TN	○	4	○
Hawaiioscia micropthalma Taiti & Howarth, 1997		Isopoda	Troglobiont	G1G2	HI	○	○	○
Hawaiioscia paeninsulae Taiti & Howarth, 1997		Isopoda	Troglobiont	G1G2	HI	○	○	1
Hawaiioscia parvituberculata Schultz, 1973		Isopoda	Troglobiont	G1G2	HI	○	7	○
Hawaiioscia rotundata Taiti & Howarth, 1997		Isopoda	Troglobiont	G1G2	HI	○	1	3
Hawinella lava Bellinger & Christiansen, 1974		Entomobryomorpha	Troglobiont	G2G3	HI	○	1	○
Stygobromus hayi (Hubricht & Mackin, 1940)	Hay's Spring Amphipod	Amphipoda	Stygobiont	G1G2 EN ESA	DC	○	11	11
Cambarus zophonastes Hobbs & Bedinger, 1964	Hell Creek Cave Crayfish	Decapoda	Stygobiont	G1 CR ESA	AR	○	6	2
Typhlogastrura helleri Christiansen & Wang, 2006	Heller Cave Springtail	Poduromorpha	Troglobiont	GNR	PA	○	1	○
Batrisodes venyivi Chandler, 1992	Helotes Cave Mold Beetle	Coleoptera	Troglobiont	G1 ESA	TX	○	4	○
Pseudobaicalasellus henroti (Bresson, 1955)	Henrot's Cave Isopod	Isopoda	Stygobiont	G2	VA	○	○	○
Stygobromus herbsti Wang & Holsinger, 2001	Herbst's Cave Amphipod	Amphipoda	Stygobiont	G2G3	NV	○	11	○
Hesperochernes bradybaughi Harvey & Wynne, 2014		Pseudoscorpiones	Troglobiont	GNR	AZ	○	○	○
Hesperonemastoma inops (Packard, 1884)		Opiliones	Troglobiont	G1G2	KY	○	○	○
Hesperonemastoma pallidimaculosum (Goodnight & Goodnight, 1945)		Opiliones	Troglobiont	G3	AL	○	○	○
Hesperonemastoma smilax Shear, 2010		Opiliones	Troglobiont	GNR	WV	○	○	○
Hexabathynella hessleri Cho, 2001		Bathynellacea	Stygobiont		CA	○	○	○
Hexabathynella muliebris Cho, 2001		Bathynellacea	Stygobiont		CA	○	○	○
Hexabathynella otayana Cho, 2001		Bathynellacea	Stygobiont		CA	○	2	○
Hexabathynella virginiae Cho & Schminke, 2006		Bathynellacea	Stygobiont		VA	○	○	○
Pseudanophthalmus conditus Krekeler, 1973	Hidden Cave Beetle	Coleoptera	Troglobiont	G1G2	KY	○	2	○
Fontigens cryptica Hubricht, 1963	Hidden springsnail	Littorinimorpha	Stygobiont	G1	IN	○	7	1
Phreatodrobia punctata Hershler & Longley, 1986	High-hat cavesnail	Littorinimorpha	Stygobiont	G2	TX	○	12	3
Pseudosinella hirsuta (Delamare Deboutteville, 1949)	Hirsute Cave Springtail	Entomobryomorpha	Troglobiont	G5	AL, GA, KY, TN, VA	○	8	○
Crangonyx hobbsi Shoemaker, 1941	Hobb's Cave Amphipod	Amphipoda	Stygobiont	G2G3 VU	FL	○	80	146
Hobbsinella edwardensis Camacho et al., 2017		Bathynellacea	Stygobiont	GNR	TX	○	5	1
Hobbsinella gunnisonensis Camacho & Taylor, 2023		Bathynellacea	Stygobiont		CO	○	○	○
Oncopodura hoffi Christiansen & Bonet, 1980	Hoff's Cave Springtail	Entomobryomorpha	Troglobiont	G1G2	MO	○	3	○
Stygobromus hoffmani Holsinger, 1978	Hoffman's Cave Amphipod	Amphipoda	Stygobiont	G2	VA	○	4	1
Pseudanophthalmus hoffmani Barr, 1965	Hoffman's Cave Beetle	Coleoptera	Troglobiont	G2G3	VA	○	1	○
Pseudotremia hoffmani Lewis, 2009	Hoffman's Cave Millipede	Chordeumatida	Troglobiont	GNR	TN	○	○	○
Sinella hoffmani Wray, 1952	Hoffman's Cave Springtail	Entomobryomorpha	Troglobiont	G5	MD, PA, TN, VA, WV	○	5	○
Sphalloplana hoffmasteri (Hyman, 1954)	Hoffmaster's Cave Flatworm	Tricladida	Stygobiont	G3G4	MD, WV	○	12	○
Phagocata holleri Kenk, 1979	Holler's Cave Flatworm	Tricladida	Stygobiont	G1G2	NC	○	4	○
Pseudotremia hollidayi Lewis, 2005	Holliday's Cave Milliped	Chordeumatida	Troglobiont	G1	TN	○	○	○
Helicodiscus notius specus Hubricht, 1962	Hollow Coil	Stylommatophora	Troglobiont	G2	KY, TN	○	○	○
Glyphyalinia specus Hubricht, 1965	Hollow glyph	Stylommatophora	Troglobiont	G4	AL, GA, KY, TN, WV	○	28	○
Stygobromus holsingeri Ward, 1977	Holsinger's Cave Amphipod	Amphipoda	Stygobiont	G1G2	CO	○	33	○
Pseudanophthalmus holsingeri Barr, 1965	Holsinger's Cave Beetle	Coleoptera	Troglobiont	G1	VA	○	1	○
Sphalloplana holsingeri Kenk, 1977	Holsinger's Cave Flatworm	Tricladida	Stygobiont	G1G2 NE	VA	○	10	○
Pseudobaicalasellus holsingeri (Steeves, 1963)	Holsinger's Cave Isopod	Isopoda	Stygobiont	G5	MD, VA, WV	○	○	○
Pseudotremia johnholsingeri Shear, 2011	Holsinger's Cave Milliped	Chordeumatida	Troglobiont	G1	VA	○	○	○
Hesperochernes holsingeri Muchmore, 1994	Holsinger's Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	IN	○	○	○
Nesticus holsingeri Gertsch, 1984	Holsinger's Cave Spider	Araneae	Troglobiont	G3G4	VA	○	4	16
Holsingerius samacos (Holsinger, 1980)		Amphipoda	Stygobiont	G1G2	TX	○	78	○
Amblyopsis hoosieri Niemiller, Prejean & Chakrabarty, 2014	Hoosier Cavefish	Percopsiformes	Stygobiont	G2	IN	○	63	1
Horologion hubbardi Harden & Davidson, 2024		Coleoptera	Troglobiont	GNR	VA	○	○	10
Horreolanus orphanus Mitchell, 1955		Trombidiformes	Stygobiont		IL	○	42	5
Caconemobius howarthi Gurney & Rentz, 1978	Howarth's Cave Cricket	Orthoptera	Troglobiont	G1G2 VU	HI	○	○	○
Pseudanophthalmus hubbardi Barber, 1928	Hubbard's Cave Beetle	Coleoptera	Troglobiont	G1	VA	○	5	○
Pseudotremia hubbardi Shear, 2011	Hubbard's Cave Milliped	Chordeumatida	Troglobiont	G1G2	VA	○	○	○
Pseudanophthalmus hubrichti Valentine, 1948	Hubricht's Cave Beetle	Coleoptera	Troglobiont	G1	VA	○	○	○
Sphalloplana hubrichti (Hyman, 1945)	Hubricht's Cave Flatworm	Tricladida	Stygobiont	G2G4	IL, MO	○	21	○
Allocrangonyx hubrichti Holsinger, 1971	Hubricht's Long-tailed Cave Amphipod	Amphipoda	Stygobiont	G3G4 VU	AR, MO	○	18	○
Phreatodrobia conica Hershler & Longley, 1986	Hueco Cavesnail	Littorinimorpha	Stygobiont	G1	TX	○	27	7
Stygobromus hubbardi Holsinger, 2009	Hupp's Hill Cave Amphipod	Amphipoda	Stygobiont	G1	VA	○	3	○
Pseudanophthalmus parvicollis Jeannel, 1931	Hupps Hill Cave Beetle	Coleoptera	Troglobiont	G1	VA	○	○	○
Hyalella cretae Cannizzaro et al., 2023		Amphipoda	Stygobiont	GNR	NV	○	○	○
Stygobromus hyporheicus Wang & Holsinger, 2001	Hyporheic Amphipod	Amphipoda	Stygobiont	G1	CA	○	2	○
Pseudanophthalmus frigidus Barr, 1981	Icebox Cave Beetle	Coleoptera	Troglobiont	G1	KY	○	○	○
Idagona jasperi Shear, 2007		Chordeumatida	Troglobiont		UT	○	○	○
Idagona lehmanensis Shear, 2007		Chordeumatida	Troglobiont		NV	○	34	○
Stygobromus idahoensis Wang & Holsinger, 2001	Idaho Groundwater Amphipod	Amphipoda	Stygobiont	G1	ID	○	2	○
Idagona westcotti Buckett & Gardner, 1967	Idaho Lave Tube Millipede	Chordeumatida	Troglobiont	G1G2	ID	○	○	○
Illacme tobini Marek et al., 2016		Siphonophorida	Troglobiont		CA	○	○	○
Gammarus acherondytes Hubricht & Mackin, 1940	Illinois Cave Amphipod	Amphipoda	Stygobiont	G2G3 EN ESA	IL	○	37	80
Pseudanophthalmus illinoisensis Barr & Peck, 1966	Illinois Cave Beetle	Coleoptera	Troglobiont	G1	IL	○	1	○
Stygobromus imperialis Wang & Holsinger, 2001	Imperial Cave Amphipod	Amphipoda	Stygobiont	G1	CA	○	2	○
Pseudobaicalasellus incurvus (Steeves & Holsinger, 1968)	Incurved Cave Isopod	Isopoda	Stygobiont	G2G4	TN, VA	○	○	○
Pseudanophthalmus tiresias Barr, 1959	Indian Grave Point Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	1	○
Crangonyx indianensis Zhang & Holsinger, 2003	Indiana Cave Amphipod	Amphipoda	Stygobiont	G3	IN	○	33	○
Apochthonius indianensis Muchmore, 1967	Indiana Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	IN	○	○	○
Diacyclops indianensis Reid, 2004	Indiana Groundwater Copepod	Cyclopoida	Stygobiont	G2	IN, TN	○	○	○
Rheocyclops indiana Reid in Reid et al. 1999	Indiana Groundwater Copepod	Cyclopoida	Stygobiont	G1	IN, TN	○	2	○
Batrisodes texanus Chandler, 1992	Inner Space Cavern Mold Beetle	Coleoptera	Troglobiont	G1G2 ESA	TX	○	15	○
Pseudanophthalmus inquisitor Barr, 1980	Inquirer Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	○
Pseudanophthalmus intermedius (Valentine, 1931)	Intermediate Cave Beetle	Coleoptera	Troglobiont	G2	TN	○	2	○
Stygobromus interstitialis Wang & Holsinger, 2001	Interstitial Amphipod	Amphipoda	Stygobiont	G1G3	CO	○	3	○
Iolania frankanstonei Hoch, 2024		Homoptera	Troglobiont		HI	○	○	○
Stygobromus iowae Hubricht, 1943	Iowa Cave Amphipod	Amphipoda	Stygobiont	G2G3	IA, IL	○	8	○
Islandiana muma Ivie, 1965		Araneae	Troglobiont	G1G2	AL, VA	○	1	○
Islandiana unicornis Ivie, 1965		Araneae	Troglobiont	G2G3	OK, TX	○	4	○
Speodesmus ivyi Elliott, 2004	Ivy's Cave Millipede	Polydesmida	Troglobiont	GNR	TX	○	18	○
Crangonyx manubrium Cannizzaro & Sawicki in Cannizzaro, Balding, Lazo-Wasem & Sawicki, 2019	Jackson County Cave Amphipod	Amphipoda	Stygobiont	G1G2	FL	○	32	123
Stygobromus abditus Holsinger, 1978	James Cave Amphipod	Amphipoda	Stygobiont	G2G3	VA	○	16	○
Pseudocandona jeanneli (Klie, 1931)	Jeannel's Cave Ostracod	Podocopida	Stygobiont	G3	IN, KY, TN	○	3	○
Stygobromus jemezensis Wang & Holsinger, 2001	Jemez Mountains Groundwater Amphipod	Amphipoda	Stygobiont	G1G2	NM	○	2	○
Eurycea tonkawae Chippindale et al., 2000	Jollyville Plateau Salamander	Caudata	Stygobiont	G2 EN ESA	TX	○	232	22
Tetracion jonesi Hoffman, 1956	Jones' Cave Millipede	Callipodida	Troglobiont	G3G4	AL, TN	○	7	17
Tyrannochthonius jonesi Chamberlin, 1995	Jones' Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Pseudotremia salifodina Shear, 2011	Jones' Saltpetre Cave Milliped	Chordeumatida	Troglobiont	G1	VA	○	○	○
Caecidotea jordani (Eberly, 1966)	Jordan's Cave Isopod	Isopoda	Stygobiont	G2G3	IN	○	20	10
Sphalloplana kansensis Hyman, 1945	Kansas Cave Flatworm	Tricladida	Stygobiont	G1G2	KS	○	○	○
Bactrurus hubrichti Shoemaker, 1945	Kansas Well Amphipod	Amphipoda	Stygobiont	G4	KS, MO, OK	○	26	○
Spelaeorchestia koloana Bousfield & Howarth, 1976	Kauai Cave Amphipod	Amphipoda	Troglobiont	G1G2 EN ESA	HI	○	4	○
Adelocosa anops Gertsch, 1973	Kauai Cave Wolf Spider	Araneae	Troglobiont	G1G2 EN ESA	HI	○	1	○
Caecidotea kendeighi (Steeves & Seidenberg, 1971)	Kendeigh's Groundwater Isopod	Isopoda	Stygobiont	G5	IA, IL, IN, MO	○	81	9
Ptomaphagus hirtus (Tellkampf, 1844)	Kentucky Cave Beetle	Coleoptera	Troglobiont	G4	KY	○	14	○
Caecidotea insula Lewis, 2013	Kindt's Cave Isopod	Isopoda	Stygobiont	G1	OH	○	2	○
Banksula tutankhamen Ubick & Briggs, 2002	King Tut Cave Harvestman	Opiliones	Troglobiont	G1	CA	○	1	○
Kleptochthonius affinis Muchmore, 1976		Pseudoscorpiones	Troglobiont	G1G2	TN	○	○	○
Kleptochthonius anophthalmus Muchmore, 1970		Pseudoscorpiones	Troglobiont	G1	VA	○	○	○
Kleptochthonius attenuatus Malcolm & Chamberlin, 1961		Pseudoscorpiones	Troglobiont	G1	KY	○	○	○
Kleptochthonius barri Muchmore, 1965		Pseudoscorpiones	Troglobiont	G1G2	TN	○	○	○
Kleptochthonius binoculatus Muchmore, 1974		Pseudoscorpiones	Troglobiont	G1G2	VA	○	○	○
Kleptochthonius cerberus Malcolm & Chamberlin, 1961		Pseudoscorpiones	Troglobiont	G1	KY	○	1	○
Kleptochthonius charon Muchmore, 1965		Pseudoscorpiones	Troglobiont	G1G2	TN	○	○	○
Kleptochthonius daemonius Muchmore, 1965		Pseudoscorpiones	Troglobiont	G1G2	TN	○	○	○
Kleptochthonius erebicus Muchmore, 1965		Pseudoscorpiones	Troglobiont	G1	KY	○	○	○
Kleptochthonius hageni Muchmore, 1963		Pseudoscorpiones	Troglobiont	G1G2	KY	○	7	○
Kleptochthonius hubrichti Muchmore, 1965		Pseudoscorpiones	Troglobiont	G1G2	KY	○	○	○
Kleptochthonius infernalis Malcolm & Chamberlin, 1961		Pseudoscorpiones	Troglobiont	G1	TN	○	○	○
Kleptochthonius krekeleri Muchmore, 1965		Pseudoscorpiones	Troglobiont	G2G4	KY	○	○	○
Kleptochthonius magnus Muchmore, 1966		Pseudoscorpiones	Troglobiont	G1	GA, TN	○	○	○
Kleptochthonius microphthalmus Malcolm & Chamberlin, 1961		Pseudoscorpiones	Troglobiont	G1G2	KY	○	○	○
Kleptochthonius myopius Malcolm & J. C. Chamberlin, 1961		Pseudoscorpiones	Troglobiont	G1	TN	○	○	○
Kleptochthonius pluto Muchmore, 1965		Pseudoscorpiones	Troglobiont	G1	TN	○	○	○
Kleptochthonius proximosetus Muchmore, 1976		Pseudoscorpiones	Troglobiont	G1	VA	○	○	○
Kleptochthonius regulus Muchmore, 1970		Pseudoscorpiones	Troglobiont	G1G2	VA	○	○	○
Kleptochthonius rex Malcolm & J. C. Chamberlin, 1961		Pseudoscorpiones	Troglobiont	G1	TN	○	○	○
Kleptochthonius similis Muchmore, 1976		Pseudoscorpiones	Troglobiont	G1	VA	○	○	○
Kleptochthonius stygius Muchmore, 1965		Pseudoscorpiones	Troglobiont	G1	TN	○	○	○
Kleptochthonius tantalus Muchmore, 1966		Pseudoscorpiones	Troglobiont	G1	TN	○	○	○
Pseudanophthalmus krameri Krekeler, 1973	Kramer's Cave Beetle	Coleoptera	Troglobiont	G1	OH	○	2	○
Texamaurops reddelli Barr & Steeves, 1963	Kretschmarr Cave Mold Beetle	Coleoptera	Troglobiont	G1G2 ESA	TX	○	17	○
Caconemobius varius Gurney & Rentz, 1978	Kuamana Cave Cricket	Orthoptera	Troglobiont	G1G2 VU	HI	○	1	○
Larca laceyi Muchmore, 1981	Lacey's Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	CA	○	○	○
Cambarus laconensis Buhay & Crandall, 2009	Lacon Exit Cave Crayfish	Decapoda	Stygobiont	G1 CR	AL	●	8	12
Lacrimacandona wisei Kulkoyluoglu et al., 2017		Podocopida	Stygobiont	GNR	TX	○	○	○
Laelaps cavernicola Packard, 1888		Mesostigmata	Troglobiont		KY	○	○	○
Stygobromus lacicolus Holsinger, 1974	Lake Tahoe Groundwater Amphipod	Amphipoda	Stygobiont	G1	CA, NV	○	5	○
Dendrocoelopsis hymanae Kawakatsu, 1968	Lake Tahoe planarian	Tricladida	Stygobiont	GNR	CA, NV	○	3	○
Stygobromus lanensis Wang & Holsinger, 2001	Lane County Groundwater Amphipod	Amphipoda	Stygobiont	G1G2	OR	○	2	○
Larca welbourni (Muchmore, 1981)		Pseudoscorpiones	Troglobiont	G1G2	AZ	○	○	○
Pseudanophthalmus cnephosus Krekeler, 1973	Larue County Cave Beetle	Coleoptera	Troglobiont	G1G2	KY	○	2	○
Pseudotremia laudermilki Lewis, 2009	Laudermilk's Cave Millipede	Chordeumatida	Troglobiont	GNR	KY	○	○	○
Stygobromus pollostus Holsinger, 1978	Least Cave Amphipod	Amphipoda	Stygobiont	G2G3	WV	○	8	○
Stygobromus leensis Holsinger, 1978	Lee County Cave Amphipod	Amphipoda	Stygobiont	G1G2	VA	○	5	1
Lirceus usdagalun Holsinger & Bowman, 1973	Lee County Cave Isopod	Isopoda	Stygobiont	G1 EN ESA	VA	○	14	11
Pseudanophthalmus catoryctos Krekeler, 1973	Lesser Adams Cave Beetle	Coleoptera	Troglobiont	G1	KY	○	3	○
Leucohya texana Muchmore, 1986		Pseudoscorpiones	Troglobiont	G1G2	TX	○	○	○
Kleptochthonius lewisorum Muchmore, 2000	Lewis Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	IN	○	○	○
Crangonyx lewisi Zhang & Holsinger, 2003	Lewis' Cave Amphipod	Amphipoda	Stygobiont	G2	IN, KY	○	15	○
Kenkia lewisi Kenk, 1975	Lewis' cave planarian	Tricladida	Stygobiont	G1	IL, MO	○	15	○
Pygmarrhopalites lewisi (Christiansen & Bellinger, 1998)	Lewis' Cave Springtail	Symphypleona	Troglobiont	GNR	IL, IN	○	3	○
Diacyclops lewisi Reid, 2004	Lewis' Groundwater Copepod	Cyclopoida	Stygobiont	G1	IN	○	○	○
Liagoceradocus lonomaka (Barnard, 1977)		Amphipoda	Stygobiont	G1G2	HI	○	○	○
Procambarus lucifugus (Hobbs, 1940)	Light-fleeing Cave Crayfish	Decapoda	Stygobiont	G1G2 LC	FL	○	89	10
Ligidium kofoidi Maloney, 1930		Isopoda	Troglobiont	G1G2	CA	○	5	○
Pseudanophthalmus calcareus Barr, 1981	Limestone Cave Beetle	Coleoptera	Troglobiont	G1	KY	○	○	○
Linopodes mammouthia Banks, 1897		Trombidiformes	Troglobiont		KS	○	○	○
Liocranoides unicolor Keyserling, 1881		Araneae	Troglobiont	GU	KY, TN	○	5	○
Lirceolus bisetus (Steeves, 1968)		Isopoda	Stygobiont	G1G2	TX	○	14	5
Lirceolus cocytus Lewis, 2001		Isopoda	Stygobiont	GNR	TX	○	47	10
Lirceolus hardeni Lewis & Bowman, 1996		Isopoda	Stygobiont	G2G3	TX	○	227	21
Lirceolus nidulus Lewis, 2001		Isopoda	Stygobiont	GNR	TX	○	5	○
Lirceolus pilus (Steeves, 1968)		Isopoda	Stygobiont	G2G3	TX	○	117	8
Lirceus bisetus Lewis & Lewis, 2023		Isopoda	Stygobiont		VA	○	○	3
Lirceus holsingeri Lewis & Lewis, 2023		Isopoda	Stygobiont		VA	○	○	○
Lirceus littonensis Lewis & Lewis, 2023		Isopoda	Stygobiont		VA	○	○	3
Lirceus orndorffi Lewis & Lewis, 2023		Isopoda	Stygobiont		VA	○	○	9
Lirceus zigleri Lewis & Lewis, 2023		Isopoda	Stygobiont	GNR	VA	○	○	3
Lissocreagris eurydice (Muchmore, 1969)		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Lissocreagris nickajackensis (Muchmore, 1966)		Pseudoscorpiones	Troglobiont	G1G2	AL, TN	○	○	○
Lissocreagris persephone (Chamberlin, 1962)		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Lissocreagris pluto (Chamberlin, 1962)		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Litocampa henroti (Conde, 1949)		Rhabdura	Troglobiont	G1G2	AL	○	○	○
Litocampa hoffmani Ferguson, 2009		Rhabdura	Troglobiont	G3	VA	○	○	○
Litocampa jonesi (Conde, 1949)		Rhabdura	Troglobiont	G2G3	KY, TN	○	○	○
Litocampa valentinei (Conde, 1949)		Rhabdura	Troglobiont	G5	AL, TN	○	○	○
Pseudanophthalmus cordicollis Barr, 1981	Little Kennedy Cave Beetle	Coleoptera	Troglobiont	G1	VA	○	○	○
Pseudanophthalmus longiceps Barr, 1981	Long-headed Cave Beetle	Coleoptera	Troglobiont	G1G2	TN, VA	○	○	○
Stygobromus longipes (Holsinger, 1966)	Long-legged Cave Amphipod	Amphipoda	Stygobiont	G2G3 VU	TX	○	14	7
Pseudotremia loomisi Shear, 2011	Loomis's Rough-backed Millipede	Chordeumatida	Troglobiont	G1	VA	○	○	○
Lophomus skamania (Causey, 1972)		Chordeumatida	Troglobiont		WA	○	1	○
Pseudanophthalmus troglodytes Krekeler, 1973	Louisville Cave Beetle	Coleoptera	Troglobiont	G1	KY	○	2	○
Stygobromus pseudospinosus Holsinger, 1978	Luray Caverns Amphipod	Amphipoda	Stygobiont	G1	VA	○	7	○
Zygonopus whitei Causey, 1960	Luray Caverns Blind Cave Millipede	Chordeumatida	Troglobiont	G3G4	VA, WV	○	○	○
Kleptochthonius lutzi Malcolm & Chamberlin, 1961	Lutz's Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	VA	○	○	○
Lycosa howarthi Gertsch, 1973		Araneae	Troglobiont	G1G2	HI	○	2	○
Lymantes nadineae Paquin & Anderson, 2009		Coleoptera	Troglobiont	GNR	TX	○	5	○
Stygobromus mackenziei Holsinger, 1974	MacKenzie's Cave Amphipod	Amphipoda	Stygobiont	G1 VU	CA	○	4	○
Pseudanophthalmus macradyi Valentine, 1948	Macrady's Cave Beetle	Coleoptera	Troglobiont	G1G2	TN	○	1	○
Macrocheles stygius (Packard, 1888)		Mesostigmata	Troglobiont	G1G2	KY	○	○	○
Macrocheles troglodytes (Packard, 1888)		Mesostigmata	Troglobiont	G1G2	KY	○	○	○
Macromastus umpqua Shear, 1982		Chordeumatida	Troglobiont	G1G2	OR	○	1	○
Pseudanophthalmus limicola Jeannel, 1931	Maddens Cave Beetle	Coleoptera	Troglobiont	G1G2	VA	○	1	○
Stygobromus stegerorum Holsinger, 1978	Madison Cave Amphipod	Amphipoda	Stygobiont	G1	VA	○	5	6
Cicurina madla Gertsch, 1992	Madla Cave Meshweaver	Araneae	Troglobiont	G1 ESA	TX	○	23	22
Pygmarrhopalites madonnensis (Zeppelini & Christiansen, 2003)	Madonna Cave Springtail	Symphypleona	Troglobiont	GNR	IL	○	3	○
Pseudanophthalmus virginicus (Barr, 1960)	Maiden Spring Cave Beetle	Coleoptera	Troglobiont	G1	VA	○	○	○
Stygobromus hubbsi Shoemaker, 1942	Malheur Cave Amphipod	Amphipoda	Stygobiont	G1G2 VU	OR	○	6	○
Kenkia rhynchida Hyman, 1937	Malheur Cave Flatworm	Tricladida	Stygobiont	G1G2 NE	OR	○	2	○
Apochthonius malheuri Benedict & Malcolm, 1973	Malheur Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1G2	OR	○	○	○
Orconectes pellucidus (Tellkampf, 1844)	Mammoth Cave Crayfish	Decapoda	Stygobiont	G4 LC	KY, TN	○	139	2
Palaemonias ganteri Hay, 1901	Mammoth Cave Shrimp	Decapoda	Stygobiont	G1 VU ESA	KY	○	11	○
Anthrobia monmouthia Tellkampf, 1844	Mammoth Cave Spider	Araneae	Troglobiont	G5	AL, KY, TN, VA	○	3	○
Stygobromus vitreus Cope, 1872	Mammoth Cave stygobromid	Amphipoda	Stygobiont	G4	AL, KY, TN	○	40	○
Antrorbis breweri Hershler & Thompson, 1990	Manitou cavesnail	Littorinimorpha	Stygobiont	G1 VU	AL	○	7	1
Pseudotremia manni Lewis, 2005	Mann's Cave Millipede	Chordeumatida	Troglobiont	G1	TN	○	○	○
Pseudanophthalmus stricticollis Jeannel, 1931	Marengo Cave Beetle	Coleoptera	Troglobiont	G4	IN	○	5	○
Pseudocandona marengoensis (Klie, 1931)	Marengo Cave Ostracod	Podocopida	Stygobiont	G1G2	IN	○	○	○
Banksula martinorum Briggs & Ubick, 1981	Martins' Cave Harvestman	Opiliones	Troglobiont	G1	CA	○	1	○
Mecyclothorax aa Liebherr, 2008		Coleoptera	Troglobiont		HI	○	○	○
Banksula melones Briggs, 1974	Melones Cave Harvestman	Opiliones	Troglobiont	G1 VU	CA	○	1	○
Pseudanophthalmus sidus Barr, 1965	Meredith Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	○
Prietella phreatophila Carranza, 1954	Mexican Blindcat	Siluriformes	Stygobiont	GNR VU ESA	TX	○	142	8
Mexichthonius exoticus Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1G2	TN	○	○	○
Mexiweckelia hardeni Holsinger, 1992		Amphipoda	Stygobiont	G2G3	TX	○	21	○
Procambarus milleri Hobbs, 1971	Miami Cave Crayfish	Decapoda	Stygobiont	G1 EN ESA?	FL	○	14	6
Phreatodrobia imitata Hershler & Longley, 1986	Mimic cavesnail	Littorinimorpha	Stygobiont	G1 VU	TX	○	42	2
Stygobromus parvus (Holsinger, 1969)	Minute Cave Amphipod	Amphipoda	Stygobiont	G2 VU	WV	○	10	○
Lethemurus missus Mills, 1948	Missus Cave Springtail	Entomobryomorpha	Troglobiont	G4	CO, IL, IN, KY, MO, TN	○	5	○
Mixojapyx reddelli Muegge, 1992		Dicellurata	Troglobiont	G3G4	TX	○	9	○
Montanabathynella pecosensis Camacho & Hutchins, 2021		Bathynellacea	Stygobiont		TX	○	○	○
Montanabathynella salish Camacho et al., 2009		Bathynellacea	Stygobiont	GNR	MT	○	○	○
Nesticus pecki Hedin & Dellinger, 2005	Monteagle Cave Spider	Araneae	Troglobiont	GNR	TN	○	3	4
Stygobromus morrisoni (Holsinger, 1967)	Morrison's Cave Amphipod	Amphipoda	Stygobiont	G1G2 VU	VA, WV	○	12	1
Bryocamptus morrisoni (Chappuis, 1929)	Morrison's Cave Copepod	Harpacticoida	Stygobiont	G3G4	IN	○	2	○
Stygobromus montanus (Holsinger, 1967)	Mountain Cave Amphipod	Amphipoda	Stygobiont	G1 VU	AR	○	6	○
Mundochthonius cavernicola Muchmore, 1968		Pseudoscorpiones	Troglobiont	G1G2	IL, MO	○	○	○
Mundochthonius holsingeri Benedict & Malcolm, 1974		Pseudoscorpiones	Troglobiont	G1	VA	○	○	○
Pseudogarypus orpheus Muchmore, 1981	Music Hall Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	CA	○	○	○
Stygobromus myersae Wang & Holsinger, 2001	Myers' Groundwater Amphipod	Amphipoda	Stygobiont	G1	CA, NV	○	6	○
Apochthonius mysterius Muchmore, 1976	Mystery Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1G2	MO	○	○	○
Namiotkocypria haysensis Kulkoyluoglu, 2018		Podocopida	Stygobiont		TX	○	○	○
Nampabius turbator Crabill, 1952		Lithobiomorpha	Troglobiont	G1	VA	○	○	○
Nannopetalum fontis Shear, 2003		Chordeumatida	Troglobiont		AL	○	○	○
Nannopetalum vespertilo Shear, 2003		Chordeumatida	Troglobiont		NC	○	○	○
Stygobromus rallus Wang & Holsinger, 2001	Narrow Groundwater Amphipod	Amphipoda	Stygobiont	G1G3	WA	○	3	○
Pseudanophthalmus pontis Barr, 1965	Natural Bridge Cave Beetle	Coleoptera	Troglobiont	G1	VA	○	1	○
Pseudobaicalasellus bowmani (Lewis, 1980)	Natural Bridge Cave Isopod	Isopoda	Stygobiont	G1	VA	○	○	○
Ereboporus naturaconservatus Miller et al., 2019	Nature Conservancy Diving Beetle	Coleoptera	Stygobiont	GNR	TX	○	1	8
Neanura hawaiiensis (Bellinger & Christiansen, 1974)		Poduromorpha	Troglobiont	G1G2	HI	○	○	○
Neaphaenops tellkampfi (Erichson, 1844)		Coleoptera	Troglobiont	G3G4	KY	○	○	○
Pseudanophthalmus nelsoni Barr, 1965	Nelson's Cave Beetle	Coleoptera	Troglobiont	G2	VA	○	1	○
Nelsonites jonesi Valentine, 1952		Coleoptera	Troglobiont	G2G3	KY	○	○	○
Nelsonites walteri Valentine, 1952		Coleoptera	Troglobiont	G3	TN	○	3	○
Neoallochernes incertus Muchmore, 1992		Pseudoscorpiones	Troglobiont	G1G2	NM	○	○	○
Neoallochernes stercoreus (Turk, 1949)		Pseudoscorpiones	Troglobiont	G4	TX	○	10	○
Neochthonius troglodytes Muchmore, 1969		Pseudoscorpiones	Troglobiont	G2G3	CA	○	○	○
Nesticus barrowsi Gertsch, 1984		Araneae	Troglobiont	G1G2	TN	○	4	9
Nesticus brimleyi Gertsch, 1984		Araneae	Troglobiont	G1G2	NC	○	7	9
Nesticus cressleri Zigler & Milne, 2022		Araneae	Troglobiont	GNR	GA	○	2	8
Nesticus lula Zigler & Milne, 2022		Araneae	Troglobiont	GNR	GA	○	2	6
Nesticus paynei Gertsch, 1984		Araneae	Troglobiont	G3G4	TN, VA	○	18	27
Nesticus potterius (Chamberlin, 1933)		Araneae	Troglobiont	G1G2	CA	○	○	○
Nesticus stygius Gertsch, 1984		Araneae	Troglobiont	G1G2	TN	○	3	7
Nevadesmus hubbsi (Chamberlin, 1943)		Polydesmida	Troglobiont	GNR	NV	○	○	○
Nevadesmus ophimontis Shear, 2009		Polydesmida	Troglobiont		NV	○	1	○
Stygobromus interitus Holsinger, 1978	New Castle Murder Hole Cave Amphipod	Amphipoda	Stygobiont	G1G2	VA	○	2	○
Pseudanophthalmus egberti Barr, 1965	New River Valley Cave Beetle	Coleoptera	Troglobiont	G1	VA	○	1	○
Pseudanophthalmus nickajackensis Barr, 1981	Nickajack Cave Beetle	Coleoptera	Troglobiont	G1	AL, TN	○	○	○
Caecidotea nickajackensis Packard, 1881	Nickajack Cave Isopod	Isopoda	Stygobiont	G1 VU	AL, TN	○	9	○
Niptus arcanus Aalbu & Andrews, 1992		Coleoptera	Troglobiont		CA	○	18	○
Nitocrellopsis texana Fiers & Iliffe, 2000		Harpacticoida	Stygobiont	GNR	TX	○	1	○
Pseudanophthalmus paulus Barr, 1981	Nobletts Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	○
Caecidotea nordeni Lewis & Bowman, 2010	Norden's Groundwater Isopod	Isopoda	Stygobiont	GH	MD	○	2	○
Troglocambarus maclanei Hobbs, 1942	North Florida Spider Cave Crayfish	Decapoda	Stygobiont	G1G2 NT	FL	○	42	6
Amblyopsis spelaea DeKay, 1842	Northern Cavefish	Percopsiformes	Stygobiont	G2G3 NT	KY	○	93	384
Cauloxenus stygius Cope, 1872	Northern Cavefish Copepod	Siphonostomatoida	Stygobiont	G1G2	IN, KY	○	○	○
Eurycea nerea (Bishop, 1944)	Northern Grotto Salamander	Caudata	Troglobiont	GNR LC	AR, MO	○	67	144
Stygobromus phreaticus Holsinger, 1978	Northern Virginia Well Amphipod	Amphipoda	Stygobiont	G1	VA	○	4	○
Stygobromus nortoni (Holsinger, 1969)	Norton's Cave Amphipod	Amphipoda	Stygobiont	G2G3 VU	TN	○	4	○
Pseudanophthalmus nortoni Barr, 1981	Norton's Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	○
Caecidotea nortoni (Steeves, 1966)	Norton's Cave Isopod	Isopoda	Stygobiont	G2G3	TN	○	6	○
Phreatoceras taylori (Hershler & Longley, 1986)	Nymph trumpet	Littorinimorpha	Stygobiont	G1G2 DD	TX	○	20	5
Oaphantes prometheus Paquin et al., 2020		Araneae	Troglobiont		CA	○	2	○
Occasjapyx kofoidi (Silvestri, 1928)		Dicellurata	Troglobiont		CA	○	○	○
Crangonyx ohioensis Zhang & Holsinger, 2003	Ohio Cave Amphipod	Amphipoda	Stygobiont	G1G2	IN, KY, OH	○	32	○
Pseudanophthalmus ohioensis Krekeler, 1973	Ohio Cave Beetle	Coleoptera	Troglobiont	G1	OH	○	2	○
Allocrangonyx pellucidus (Mackin, 1935)	Oklahoma Cave Amphipod	Amphipoda	Stygobiont	G2G3 VU	OK	○	12	○
Cambarus tartarus Hobbs & Cooper, 1972	Oklahoma Cave Crayfish	Decapoda	Stygobiont	G1 CR	OK	○	11	10
Pseudanophthalmus puteanus Krekeler, 1973	Old Well Cave Beetle	Coleoptera	Troglobiont	G1G2	KY	○	1	○
Oliarus gagneri Hoch & Howarth, 1999		Homoptera	Troglobiont	G1G2	HI	○	○	○
Oliarus kalaupapae Hoch & Howarth, 1999		Homoptera	Troglobiont	G1G2	HI	○	○	○
Oliarus lorettae Hoch & Howarth, 1999		Homoptera	Troglobiont	G1G2	HI	○	○	○
Oliarus makaiki Hoch & Howarth, 1999		Homoptera	Troglobiont	G1G2	HI	○	○	○
Oliarus polyphemus Fennah, 1973		Homoptera	Troglobiont	G1G2	HI	○	4	29
Oliarus priola Fennah, 1973		Homoptera	Troglobiont	G1G2	HI	○	2	○
Oliarus waikau Hoch & Howarth, 1999		Homoptera	Troglobiont	G1G2	HI	○	○	○
Oncopodura cruciata Bonet, 1943		Entomobryomorpha	Troglobiont	G1G2	MT	○	10	○
Oncopodura fenestra Christiansen & Bonet, 1996		Entomobryomorpha	Troglobiont	G2G3	TX	○	1	○
Oncopodura hubbardi Christiansen & Bellinger 1996		Entomobryomorpha	Troglobiont	G2	VA	○	1	○
Oncopodura iowae Christiansen, 1980		Entomobryomorpha	Troglobiont	G3G4	IA, IL, MO	○	3	○
Oncopodura prietoi Bonet, 1943		Entomobryomorpha	Troglobiont	G1G2	NM	○	2	○
Oncopodura subhoffi Christiansen & Bellinger, 1998		Entomobryomorpha	Troglobiont	G3	CO	○	2	○
Stygobromus onondagaensis (Hubricht & Mackin, 1940)	Onondaga Cave Amphipod	Amphipoda	Stygobiont	G3 VU	AR, KS, MO, OK	○	61	○
Onychiurus gelus Christiansen & Bonet, 1980		Poduromorpha	Troglobiont	G2G3	IA, WA, WI	○	○	○
Onychiurus janus Christiansen & Bellinger, 1980		Poduromorpha	Troglobiont	G2G3	AL, VA, WV	○	○	○
Onychiurus obesus Mills, 1934		Poduromorpha	Troglobiont	G3G4	IA, MN, MO, WI	○	○	○
Onychiurus oregonensis Bonet, 1931		Poduromorpha	Troglobiont	G1G2	OR	○	○	○
Onychiurus paro Christiansen & Bellinger, 1980		Poduromorpha	Troglobiont	G1	AL	○	○	○
Onychiurus pipistrellae Soto-Adames & Taylor, 2013		Poduromorpha	Troglobiont		IL	○	○	○
Onychiurus reluctus Christiansen, 1961		Poduromorpha	Troglobiont	GNR	WV	○	9	○
Opiona catorycha Shear & Crawford, 2019		Chordeumatida	Troglobiont		OR	○	○	○
Opiona graeningi Shear, 2011		Chordeumatida	Troglobiont		CA	○	1	○
Procambarus franzi Hobbs & Lee, 1976	Orange Lake Cave Crayfish	Decapoda	Stygobiont	G1 EN	FL	○	13	5
Phagocata oregonensis Hyman, 1963	Oregon Cave Flatworm	Tricladida	Stygobiont	G1G2	OR	○	○	○
Oregonasellus elliotti Lewis, 2008		Isopoda	Stygobiont		OR	○	○	○
Kleptochthonius hetricki Muchmore, 1974	Organ Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	WV	○	○	○
Fontigens tartarea Hubtricht 1963	Organ cavesnail	Littorinimorpha	Stygobiont	G2	VA, WV	○	42	2
Procambarus acherontis (Lonnberg, 1894)	Orlando Cave Crayfish	Decapoda	Stygobiont	G1 EN	FL	○	18	5
Pseudotremia orndorffi Shear, 2011	Orndorff's Cave Milliped	Chordeumatida	Troglobiont	G2	VA	○	○	○
Kleptochthonius orpheus Muchmore, 1965	Orpheus Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	WV	○	○	○
Pseudanophthalmus praetermissus Barr, 1981	Overlooked Cave Beetle	Coleoptera	Troglobiont	G1	VA	○	○	○
Stygobromus ozarkensis (Holsinger, 1967)	Ozark Cave Amphipod	Amphipoda	Stygobiont	G4 VU	AR, MO, OK	○	59	1
Speleonycta ozarkensis Espinasa et al., 2010	Ozark Cave Bristletail	Zygentoma	Troglobiont		AR, OK	○	○	1
Troglichthys rosae (Eigenmann, 1898)	Ozark cavefish	Percopsiformes	Stygobiont	G3 NT ESA	AR, MO, OK	○	4	○
Ozarkia alabama (Gertsch, 1974)		Araneae	Troglobiont	GNR	AL	○	27	○
Ozarkia arkansa (Gertsch, 1974)		Araneae	Troglobiont		AR	○	8	○
Ozarkia blanda (Gertsch, 1974)		Araneae	Troglobiont	GNR	AL	○	1	○
Ozarkia georgia (Gertsch, 1974)		Araneae	Troglobiont	GNR	GA	○	25	○
Ozarkia novaegalleciae (Brignoli, 1979)		Araneae	Troglobiont		NM	○	○	○
Ozarkia serena (Gertsch, 1974)		Araneae	Troglobiont	G1G2	AL	○	15	○
Pacificabathynella kalispellensis Camacho et al., 2009		Bathynellacea	Stygobiont	GNR	MT	○	○	○
Pacificabathynella ruthae Camacho et al., 2009		Bathynellacea	Stygobiont	GNR	MT	○	○	○
Pacificabathynella sequoiae Schminke & Noodt, 1988		Bathynellacea	Stygobiont	GNR	CA	○	5	○
Pacificabathynella stanfordi Camacho et al., 2009		Bathynellacea	Stygobiont	GNR	MT	○	○	○
Pacificabathynella yupik Camacho et al., 2016		Bathynellacea	Stygobiont		AK	○	47	○
Zygonopus packardi Causey, 1960	Packard's Blind Cave Millipede	Chordeumatida	Troglobiont	G4	VA, WV	○	○	○
Crangonyx packardi Smith, 1888	Packard's Cave Amphipod	Amphipoda	Stygobiont	G4	IL, IN, KS, KY, MO	○	103	○
Pseudanophthalmus packardi Barr, 1959	Packard's Cave Beetle	Coleoptera	Troglobiont	G1G2	KY	○	○	○
Kleptochthonius packardi (Hagen, 1879)	Packard's Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G2	IN	○	6	○
Pseudanophthalmus pallidus Barr, 1981	Pale Cave Beetle	Coleoptera	Troglobiont	G1G2	TN	○	○	○
Paleonura petebellingeri Palacios-Vargas & Benito, 2007		Poduromorpha	Troglobiont	G1	VA	○	○	○
Procambarus pallidus (Hobbs, 1940)	Pallid Cave Crayfish	Decapoda	Stygobiont	G1G2 NT	FL, GA	○	84	5
Parabogidiella americana Holsinger, 1980		Amphipoda	Stygobiont	G2G3	TX	○	65	4
Paraholsingerius smaragdinus (Holsinger, 1992)		Amphipoda	Stygobiont	GNR	TX	○	17	○
Paramoera lokowai Barnard, 1977		Amphipoda	Stygobiont	G1G2	HI	○	6	○
Paramoera paakai Barnard, 1977		Amphipoda	Stygobiont	G1G2	HI	○	17	○
Paramoera rua Barnard, 1977		Amphipoda	Stygobiont	G1G2	HI	○	11	○
Pararhynchelmis texana Fend, 2023		Lumbriculida	Stygobiont		TX	○	7	○
Paratachys aaa Liebherr, 2021		Coleoptera	Troglobiont		HI	○	○	○
Parobisium charlotteae Chamberlin, 1962		Pseudoscorpiones	Troglobiont	G1G2	OR	○	3	6
Parobisium petilum Harvey & Cullen, 2020		Pseudoscorpiones	Troglobiont		CA	○	1	○
Parobisium yosemite Cokendolpher & Krejca, 2010		Pseudoscorpiones	Troglobiont		CA	○	○	○
Parvidrilus strayeri Erseus, 1999		Lumbriculida	Stygobiont	G1G2	AL	○	17	○
Stygobromus redactus Holsinger, 1978	Pattons Cave Amphipod	Amphipoda	Stygobiont	G1	WV	○	3	1
Pseudanophthalmus paynei Barr, 1981	Payne's Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	○
Stygobromus pecki (Holsinger, 1967)	Peck's Cave Amphipod	Amphipoda	Stygobiont	G1G2 EN ESA	TX	○	36	33
Scoterpes stewartpecki Shear, 2010	Peck's Cave Millipede	Chordeumatida	Troglobiont		AL, TN	○	○	○
Tyrannochthonius pecki Muchmore, 1996	Peck's Cave Peudoscorpion	Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Pseudosinella pecki Christiansen & Bellinger, 1980	Peck's Cave Springtail	Entomobryomorpha	Troglobiont	G2G3	GA, NC, TN	○	1	○
Stygobromus pennaki (Ward, 1977)	Pennak Cave Amphipod	Amphipoda	Stygobiont	G2G3	CO	○	9	○
Crangonyx dearolfi Shoemaker, 1942	Pennsylvania Cave Amphipod	Amphipoda	Stygobiont	G2 EN	MD, PA	○	14	○
Sphalloplana evaginata Kenk, 1977	Perryville Cave Flatworm	Tricladida	Stygobiont	G1G2	MO	○	20	○
Pseudanophthalmus petrunkevitchi Valentine, 1945	Petrunkevitch's Cave Beetle	Coleoptera	Troglobiont	G1G2	VA	○	1	○
Phagocata angusta Kenk, 1977		Tricladida	Stygobiont	G1	WV	○	7	○
Phagocata carolinensis Kenk, 1979		Tricladida	Stygobiont	G1G2	NC	○	4	○
Phagocata notorchis Kenk, 1987		Tricladida	Stygobiont		TN	○	4	○
Phagocata procera Kenk, 1984		Tricladida	Stygobiont	G1G2	NC	○	14	○
Phagocata pygmaea Kenk, 1987		Tricladida	Stygobiont		NC	○	2	○
Phagocata spuria Kenk, 1987		Tricladida	Stygobiont		NC	○	3	○
Phalangodes armata Tellkampf, 1844		Opiliones	Troglobiont	G3G4	KY	○	15	4
Cambarus pecki (Hobbs, 1967)	Phantom Cave Crayfish	Decapoda	Stygobiont	G1G2 EN	AL	○	16	10
Phreatodrobia bulla Perez & Castañeda, 2023		Littorinimorpha	Stygobiont		TX	○	○	4
Phreatodrobia coronae Hershler, 1987		Littorinimorpha	Stygobiont	G1G2 DD	TX	○	9	○
Stygobromus heteropodus Hubricht, 1943	Pickle Springs Amphipod	Amphipoda	Stygobiont	G1G2 VU	MO	○	2	○
Kenkia glandulosa Hyman, 1956	Pink Cave Flatworm	Tricladida	Stygobiont	G2G3	IA, MO	○	11	○
Stygobromus obrutus Holsinger, 1978	Pittsylvania Well Amphipod	Amphipoda	Stygobiont	G1G2	VA	○	2	○
Stygobromus pizzinii (Shoemaker, 1938	Pizzini's Cave Amphipod	Amphipoda	Stygobiont	G3G4 VU	DC, MD, PA, VA	○	89	3
Plumatyla humerosa (Loomis, 1943)		Chordeumatida	Troglobiont	G2G3	CA	○	2	○
Plutomurus californicus (Folson, 1913)		Entomobryomorpha	Troglobiont	G2G3	CA	○	13	○
Plutomurus grahami (Christiansen, 1980)		Entomobryomorpha	Troglobiont	G1	NM	○	2	○
Poecilophysis extraneostella Zacharda 1985		Actinedida	Troglobiont	G2	VA, WV	○	○	○
Poecilophysis weyerensis (Packard, 1888)		Actinedida	Troglobiont	G3	KY, TN, VA, WV	○	○	○
Sphalloplana consimilis Kenk, 1977	Powell Valley Cave Flatworm	Tricladida	Stygobiont	G2G3	TN, VA	○	13	○
Amerigoniscus henroti Vandel, 1950	Powell Valley Terrestrial Cave Isopod	Isopoda	Troglobiont	G3	VA	○	10	○
Pratherodesmus despaini Shear, 2009		Polydesmida	Troglobiont		CA	○	1	○
Pratherodesmus ecclesia Shear, 2009		Polydesmida	Troglobiont		AZ	○	1	○
Pratherodesmus voylesi Shear, 2009		Polydesmida	Troglobiont		AZ	○	1	○
Stygobromus paxillus Holsinger, 2011	Prettyboy Groundwater Amphipod	Amphipoda	Stygobiont	G1	MD	○	3	○
Conasellus pricei (Levi, 1949)	Price's Cave Isopod	Isopoda	Stygobiont	G5	MD, PA, VA, WV	○	○	○
Cambarus hamulatus (Cope & Packard, 1881)	Prickly Cave Crayfish	Decapoda	Stygobiont	G3G4 LC	AL, TN	○	46	58
Procaris hawaiana Holthuis, 1973		Decapoda	Stygobiont	G1 ESA	HI	○	14	4
Kleptochthonius proserpinae Muchmore, 1965	Proserpina Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	WV	○	○	○
Fontigens proserpina Hubricht, 1940	Proserpine Springsnail	Littorinimorpha	Stygobiont	G1	MO	○	20	○
Proteocephalus poulsoni Whitaker & Zober, 1978		Proteocephalidea	Stygobiont		KY	○	○	○
Protolimnesia ventriplacophora Smith & Cook, 1996		Trombidiformes	Stygobiont		TX	○	○	○
Pseudanophthalmus barberi Jeannel, 1931		Coleoptera	Troglobiont	G2G3	KY	○	2	3
Pseudanophthalmus barri Krekeler, 1973		Coleoptera	Troglobiont	G1G2	IN	○	2	○
Pseudanophthalmus cerberus Barr, 1985		Coleoptera	Troglobiont	G3G4	KY, TN	○	27	○
Pseudanophthalmus chthonius Krekeler, 1973		Coleoptera	Troglobiont	G3	IN	○	2	○
Pseudanophthalmus ciliaris Valentine, 1937		Coleoptera	Troglobiont	G3G4	KY, TN	○	5	15
Pseudanophthalmus cumberlandus Valentine, 1937		Coleoptera	Troglobiont	G1G2	TN	○	1	○
Pseudanophthalmus darlingtoni Barr, 1985		Coleoptera	Troglobiont	G3	KY	○	○	○
Pseudanophthalmus desertus Krekeler, 1973		Coleoptera	Troglobiont	G3	KY	○	4	○
Pseudanophthalmus digitus Valentine, 1932		Coleoptera	Troglobiont	G1G2	GA, TN	○	1	○
Pseudanophthalmus distinguens Valentine, 1948		Coleoptera	Troglobiont	G1G2	AL, VA	○	○	○
Pseudanophthalmus elongatus Krekeler, 1973		Coleoptera	Troglobiont	G1G2	KY	○	2	○
Pseudanophthalmus emersoni Krekeler, 1958		Coleoptera	Troglobiont	G1	IN	○	2	○
Pseudanophthalmus eremita (Horn, 1871)		Coleoptera	Troglobiont	G1G2	IN	○	2	○
Pseudanophthalmus exiguus Krekeler, 1973		Coleoptera	Troglobiont	G3G4	KY	○	4	○
Pseudanophthalmus farrelli Barr, 1959		Coleoptera	Troglobiont	G1G2	TN	○	2	○
Pseudanophthalmus fluviatilis Valentine, 1948		Coleoptera	Troglobiont	G3	AL	○	○	○
Pseudanophthalmus fulleri Valentine, 1932		Coleoptera	Troglobiont	G2G3	GA, TN	○	1	○
Pseudanophthalmus fuscus Valentine, 1931		Coleoptera	Troglobiont	G4	WV	○	5	○
Pseudanophthalmus globiceps Barr, 1985		Coleoptera	Troglobiont	G1	KY	○	○	○
Pseudanophthalmus grandis Valentine, 1931		Coleoptera	Troglobiont	G4	WV	○	9	○
Pseudanophthalmus henroti Jeannel, 1949		Coleoptera	Troglobiont	GNR	WV	○	○	○
Pseudanophthalmus hesperus Barr, 1959		Coleoptera	Troglobiont	G1	TN	○	○	○
Pseudanophthalmus higginbothami Valentine, 1931		Coleoptera	Troglobiont	G2	WV	○	2	○
Pseudanophthalmus humeralis Valentine, 1931		Coleoptera	Troglobiont	G2	TN	○	2	○
Pseudanophthalmus hypertrichosis Valentine, 1932		Coleoptera	Troglobiont	G3	WV	○	2	○
Pseudanophthalmus hypolithos Barr, 1981		Coleoptera	Troglobiont	G1	KY	○	○	○
Pseudanophthalmus lallemanti Jeannel, 1949		Coleoptera	Troglobiont	G1	WV	○	○	○
Pseudanophthalmus leonae Barr, 1960		Coleoptera	Troglobiont	G1	IN	○	○	○
Pseudanophthalmus lodingi Valentine, 1931		Coleoptera	Troglobiont	G1G2	AL	○	6	○
Pseudanophthalmus loganensis Barr, 1959		Coleoptera	Troglobiont	G2G3	KY, TN	○	○	10
Pseudanophthalmus menetriesi (Motschulsky, 1862)		Coleoptera	Troglobiont	G3	KY	○	○	○
Pseudanophthalmus meridionalis Valentine, 1945		Coleoptera	Troglobiont	G2	AL	○	○	○
Pseudanophthalmus orthosulcatus Valentine, 1932		Coleoptera	Troglobiont	G1	WV	○	1	○
Pseudanophthalmus pilosus Barr, 1985		Coleoptera	Troglobiont	G2G3	KY	○	○	○
Pseudanophthalmus princeps Barr, 1979		Coleoptera	Troglobiont	G1G2	KY, TN	○	3	4
Pseudanophthalmus productus Barr, 1980		Coleoptera	Troglobiont	G3G4	TN	○	○	○
Pseudanophthalmus profundus Valentine, 1945		Coleoptera	Troglobiont	G2	AL	○	○	○
Pseudanophthalmus pubescens (Horn, 1868)		Coleoptera	Troglobiont	G3	KY	○	24	6
Pseudanophthalmus rittmani Krekeler, 1973		Coleoptera	Troglobiont	G1G2	KY	○	2	○
Pseudanophthalmus scutilis Barr, 1981		Coleoptera	Troglobiont	G1	TN	○	○	○
Pseudanophthalmus solivagus Krekeler, 1973		Coleoptera	Troglobiont	G1G2	KY	○	2	○
Pseudanophthalmus striatus (Motschulsky, 1862)		Coleoptera	Troglobiont	G2G3	KY	○	5	○
Pseudanophthalmus tennesseensis Valentine, 1937		Coleoptera	Troglobiont	G3	TN	○	1	○
Pseudanophthalmus tenuis (Horn, 1871)		Coleoptera	Troglobiont	G4	IN	○	12	○
Pseudanophthalmus transfluvialis Barr, 1985		Coleoptera	Troglobiont	G1G2	KY	○	○	○
Pseudanophthalmus umbratilis Krekeler, 1973		Coleoptera	Troglobiont	G2G3	KY	○	2	○
Pseudanophthalmus vanburenensis Barr, 1962		Coleoptera	Troglobiont	G1	TN	○	○	○
Pseudobaicalasellus magniezi Lewis & Lewis, 2023		Isopoda	Stygobiont		VA	○	○	○
Pseudobaicalasellus mausi (Lewis, 2009)		Isopoda	Stygobiont	G2	MD, VA	○	○	○
Pseudogarypus hypogeus Muchmore, 1981		Pseudoscorpiones	Troglobiont	G1G2	AZ	○	○	○
Pseudogarypus speleus Benedict & Malcolm, 1978		Pseudoscorpiones	Troglobiont	G1G2	CA	○	○	○
Pseudosinella bona Christiansen & Bellinger, 1996		Entomobryomorpha	Troglobiont	G2	VA	○	1	○
Pseudosinella dubia Christiansen, 1961		Entomobryomorpha	Troglobiont	G3	AR, OK	○	10	○
Pseudosinella erehwon Christiansen & Bellinger, 1996		Entomobryomorpha	Troglobiont	G2	VA	○	2	○
Pseudosinella espanita Christiansen & Bellinger, 1996		Entomobryomorpha	Troglobiont	G1	KY, TN	○	2	○
Pseudosinella extra Christiansen & Bellinger, 1996		Entomobryomorpha	Troglobiont	G1G2	VA	○	1	○
Pseudosinella flatua Christiansen & Bellinger, 1996		Entomobryomorpha	Troglobiont	G1G2	NC, VA	○	2	○
Pseudosinella gisini Charistiansen, 1960		Entomobryomorpha	Troglobiont	G3G4	NC, VA, WV	○	15	○
Pseudosinella granda Christiansen & Bellinger, 1996		Entomobryomorpha	Troglobiont	G3	VA	○	1	○
Pseudosinella josemarii Soto-Adames 2010		Entomobryomorpha	Troglobiont	GNR	WV	○	○	○
Pseudosinella meganporteri Soto-Adames 2010		Entomobryomorpha	Troglobiont	G2	WV	○	○	○
Pseudosinella nata Christiansen & Bellinger, 1980		Entomobryomorpha	Troglobiont	G1	AL	○	2	○
Pseudosinella ops Christiansen & Bellinger, 1998		Entomobryomorpha	Troglobiont		VA	○	1	○
Pseudosinella orba Christiansen, 1960		Entomobryomorpha	Troglobiont	G3G4	KY, NC, TN, VA, WV	○	65	○
Pseudosinella vespera Christiansen & Bellinger, 1996		Entomobryomorpha	Troglobiont	G2	NC, VA	○	1	○
Pseudosinella vita Christiansen & Bonet, 1980		Entomobryomorpha	Troglobiont	G1G2	NM	○	14	○
Pseudotremia acheron Shear, 1972		Chordeumatida	Troglobiont	G1G2	TN	○	2	○
Pseudotremia aeacus Shear, 1972		Chordeumatida	Troglobiont	G1G2	GA	○	3	○
Pseudotremia amphiorax Shear, 1972		Chordeumatida	Troglobiont	G1G2	KY	○	2	○
Pseudotremia carterensis (Packard, 1883)		Chordeumatida	Troglobiont	G2G3	KY	○	2	○
Pseudotremia cercops Shear, 1972		Chordeumatida	Troglobiont	G1	TN	○	3	○
Pseudotremia deprehendor Shear, 1972		Chordeumatida	Troglobiont	G1	TN, VA	○	2	○
Pseudotremia eburnea Loomis, 1939		Chordeumatida	Troglobiont	G2G4	AL, GA, TN	○	3	○
Pseudotremia fongi Shear, 2008		Chordeumatida	Troglobiont	GNR	WV	○	○	○
Pseudotremia handi Shear, 2008		Chordeumatida	Troglobiont	GNR	WV	○	○	○
Pseudotremia kerboi Shear, 2008		Chordeumatida	Troglobiont	GNR	WV	○	○	○
Pseudotremia lethe Shear, 1972		Chordeumatida	Troglobiont	G1	TN	○	1	○
Pseudotremia lictor Shear, 1972		Chordeumatida	Troglobiont	G1	TN	○	2	○
Pseudotremia merops Shear, 1972		Chordeumatida	Troglobiont	G1	KY	○	2	○
Pseudotremia minos Shear, 1972		Chordeumatida	Troglobiont	G1	AL, TN	○	2	10
Pseudotremia nodosa Loomis, 1939		Chordeumatida	Troglobiont	G4	TN, VA	○	2	○
Pseudotremia nyx Shear, 1972		Chordeumatida	Troglobiont	G1	AL	○	3	○
Pseudotremia rhadamanthus Shear, 1972		Chordeumatida	Troglobiont	G1G2	AL, TN	○	2	○
Pseudotremia schneiderae Shear, 2008		Chordeumatida	Troglobiont	GNR	WV	○	○	○
Pseudotremia spira Shear, 1972		Chordeumatida	Troglobiont	G1	KY	○	2	○
Pseudotremia styx Lewis, 2009		Chordeumatida	Troglobiont	GNR	KY	○	○	○
Pseudotremia tuberculata Loomis, 1939		Chordeumatida	Troglobiont	G3	VA	○	1	○
Pseudotremia unca Shear, 1972		Chordeumatida	Troglobiont	G1	KY	○	2	○
Pseudotremia valga Loomis, 1943		Chordeumatida	Troglobiont	G1G2	TN, VA	○	2	○
Psychopomporus felipi Jean et al., 2012		Coleoptera	Stygobiont	GNR	TX	○	3	3
Ptomaphagus barri Peck, 1973		Coleoptera	Troglobiont	G2G3	TN	○	5	12
Ptomaphagus chromolithus Peck, 1984		Coleoptera	Troglobiont	G2G3	AL, TN	○	○	6
Ptomaphagus cocytus Peck, 1973		Coleoptera	Troglobiont	G1G2	AZ	○	2	○
Ptomaphagus episcopus Peck, 1973		Coleoptera	Troglobiont	G1G2	AL	○	2	3
Ptomaphagus fecundus Barr, 1963		Coleoptera	Troglobiont	G1	TN	○	○	3
Ptomaphagus fiskei Peck, 1973		Coleoptera	Troglobiont	G1G2	GA	○	5	○
Ptomaphagus hazelae Peck, 1973		Coleoptera	Troglobiont	G1G2	AL	○	2	○
Ptomaphagus hubrichti Barr, 1958		Coleoptera	Troglobiont	G2G3	TN	○	4	○
Ptomaphagus inyoensis Peck & Gnaspini, 1997		Coleoptera	Troglobiont		CA	○	○	○
Ptomaphagus julius Peck, 1973		Coleoptera	Troglobiont	G1G2	AL	○	2	6
Ptomaphagus laticornis Jeannel, 1949		Coleoptera	Troglobiont	G1G2	AL	○	○	6
Ptomaphagus loedingi (Hatch, 1933)		Coleoptera	Troglobiont	G1G2	AL	○	5	○
Ptomaphagus longicornis Jeannel, 1949		Coleoptera	Troglobiont	G3G4	AL	○	○	9
Ptomaphagus parashant Peck & Wynne, 2013		Coleoptera	Troglobiont		AZ	○	2	○
Ptomaphagus solanum Peck, 1973		Coleoptera	Troglobiont	G1	AL	○	2	3
Ptomaphagus walteri Peck, 1973		Coleoptera	Troglobiont	G1G2	AL	○	2	6
Ptomaphagus whiteselli Barr, 1963		Coleoptera	Troglobiont	G2G3	AL, GA	○	5	○
Litocampa pucketti Conde & Bareth, 1996	Puckett's Cave Dipluran	Rhabdura	Troglobiont	G1G2	VA	○	○	○
Pseudotremia peponocranium Shear, 2011	Pumpkin-headed Cave Milliped	Chordeumatida	Troglobiont	G1	VA	○	○	○
Calathaemon holthuisi (Strenth, 1976)	Purgatory Cave Shrimp	Decapoda	Stygobiont	G1G2 EN	TX	○	11	○
Pseudotremia purselli Lewis, 2000	Pursell's Cave Milliped	Chordeumatida	Troglobiont	G1	IN	○	○	○
Procambarus morrisi Hobbs & Franz, 1991	Putnum County Cave Crayfish	Decapoda	Stygobiont	G1 CR	FL	○	13	5
Pygmarrhopalites altus (Christiansen, 1966)		Symphypleona	Troglobiont	G2G3	KY	○	2	○
Pygmarrhopalites arcus (Zeppelini & Christiansen, 2003)		Symphypleona	Troglobiont	GNR	ID	○	5	○
Pygmarrhopalites ashcraftensis Zeppelini, Taylor, & Slay, 2009		Symphypleona	Troglobiont	G1	IN	○	2	○
Pygmarrhopalites bimus (Christiansen, 1966)		Symphypleona	Troglobiont	G3G4	IA, IN, KY	○	3	○
Pygmarrhopalites buffaloensis Zeppelini, Taylor, & Slay, 2009		Symphypleona	Troglobiont		AR	○	2	○
Pygmarrhopalites caedus (Christiansen & Bellinger, 1996)		Symphypleona	Troglobiont	G3	VA	○	○	○
Pygmarrhopalites commorus (Christiansen & Bellinger, 1996)		Symphypleona	Troglobiont	G2G3	VA, WV	○	○	○
Pygmarrhopalites dubius (Christiansen, 1966)		Symphypleona	Troglobiont	G2G3	AR, IA, MN	○	3	○
Pygmarrhopalites fransjanssens Soto-Adames & Taylor, 2013		Symphypleona	Troglobiont		IL	○	○	○
Pygmarrhopalites hubbardi (Zeppelini & Christiansen, 2003)		Symphypleona	Troglobiont		CO	○	2	○
Pygmarrhopalites incantator Soto-Adames & Taylor, 2013		Symphypleona	Troglobiont		IL	○	3	○
Pygmarrhopalites jay Christiansen & Bonet, 1996		Symphypleona	Troglobiont	G2G3	OK	○	○	○
Pygmarrhopalites lacuna (Christiansen & Bellinger, 1996)		Symphypleona	Troglobiont	G1G2	VA	○	○	○
Pygmarrhopalites leonardwoodensis Zeppelini, Taylor, & Slay, 2009		Symphypleona	Troglobiont		MO	○	2	○
Pygmarrhopalites marshalli (Christiansen & Bellinger, 1996)		Symphypleona	Troglobiont	G3	TN, VA	○	4	○
Pygmarrhopalites obtusus (Zeppelini & Christiansen, 2003)		Symphypleona	Troglobiont	G1	VA	○	7	○
Pygmarrhopalites pavo (Christiansen & Bellinger, 1998)		Symphypleona	Troglobiont	G3	MO, TN, VA, WV	○	6	○
Pygmarrhopalites plethorasari Zeppelini, Taylor, & Slay, 2009		Symphypleona	Troglobiont		MO	○	6	○
Pygmarrhopalites sacer (Christiansen & Bellinger, 1998)		Symphypleona	Troglobiont	G2	VA, WV	○	○	○
Pygmarrhopalites salemensis Soto-Adames & Taylor, 2013		Symphypleona	Troglobiont		IL	○	○	○
Pygmarrhopalites sapo (Zeppelini & Christiansen, 2003)		Symphypleona	Troglobiont		IL	○	8	○
Pygmarrhopalites sextus (Zeppelini & Christiansen, 2003)		Symphypleona	Troglobiont	G1	VA	○	7	○
Pygmarrhopalites shoshoneiensis Zeppelini, Taylor, & Slay, 2009		Symphypleona	Troglobiont		NV	○	4	○
Pygmarrhopalites silvus (Christiansen & Bellinger, 1996)		Symphypleona	Troglobiont	G2	VA	○	○	○
Pygmarrhopalites texensis (Christiansen & Bonet, 1996)		Symphypleona	Troglobiont	G3G4	TX	○	○	○
Pygmarrhopalites youngsteadtii Zeppelini, Taylor, & Slay, 2009		Symphypleona	Troglobiont		AR	○	○	○
Stygobromus quatsinensis Holsinger & Shaw, 1987	Quatsino Cave Amphipod	Amphipoda	Stygobiont	G1G2	AK, BC	○	21	○
Helicodiscus barri Hubricht, 1962	Raccoon coil	Stylommatophora	Troglobiont	G3G4	AL, GA, TN	○	13	106
Nesticus furtivus Gertsch, 1984	Racoon Mountain Caverns Cave Spider	Araneae	Troglobiont	G1	TN	○	2	7
Miktoniscus oklahomensis Vandel, 1965	Racovitza's Cave Isopod	Isopoda	Troglobiont	G1G2	OK	○	○	○
Miktoniscus racovitzai Vandel, 1950	Racovitza's Terrestrial Cave Isopod	Isopoda	Troglobiont	G3G4	VA	○	20	○
Stygobromus foliatus Holsinger, 2011	Rappahannock Spring Amphipod	Amphipoda	Stygobiont	G2	MD, VA	○	10	2
Speodesmus reddelli Elliott, 2004	Reddell's Cave Millipede	Polydesmida	Troglobiont	GNR	TX	○	71	○
Scoterpes willreevesi Shear, 2010	Reeves' Cave Millipede	Chordeumatida	Troglobiont		AL, GA	○	○	○
Sphalloplana pricei Hyman, 1937	Refton Cave Flatworm	Tricladida	Stygobiont	G2G3	MD, PA	○	12	○
Remasellus parvus (Steeves, 1964)		Isopoda	Stygobiont	G1G2	FL	○	13	16
Pseudotremia reynoldsae Lewis, 2003	Reynolds Cave Millipede	Chordeumatida	Troglobiont	G1	IN	○	○	○
Rhadine austinica Barr, 1974		Coleoptera	Troglobiont	G1G2	TX	○	82	18
Rhadine bullis Reddell & Cokendolpher, 2004		Coleoptera	Troglobiont	GNR	TX	○	22	○
Rhadine exilis (Barr & Lawrence, 1960)		Coleoptera	Troglobiont	G3 ESA	TX	○	133	12
Rhadine grubbsi Reddell & Duperre, 2009		Coleoptera	Troglobiont		TX	○	7	○
Rhadine infernalis (Barr & Lawrence, 1960)		Coleoptera	Troglobiont	G2G3 ESA	TX	○	152	17
Rhadine insolita Barr, 1974		Coleoptera	Troglobiont	G1G2	TX	○	5	○
Rhadine ivyi Reddell & Cokendolpher, 2004		Coleoptera	Troglobiont		TX	○	2	○
Rhadine koepkei (Barr, 1960)		Coleoptera	Troglobiont	G1	TX	○	12	○
Rhadine noctivaga Barr, 1974		Coleoptera	Troglobiont	G1G2	TX	○	94	14
Rhadine ozarkensis Sanderson & Miller, 1941		Coleoptera	Troglobiont	GH	AR	○	2	○
Rhadine reyesi Reddell & Cokendolpher, 2001		Coleoptera	Troglobiont	GNR	TX	○	36	○
Rhadine russelli Barr, 1974		Coleoptera	Troglobiont	G1G2	TX	○	13	3
Rhadine speca (Barr, 1960)		Coleoptera	Troglobiont	G2	TX	○	○	○
Rhadine sprousei Reddell & Cokendolpher, 2004		Coleoptera	Troglobiont		TX	○	3	○
Rhadine subterranea (Van Dyke, 1918)		Coleoptera	Troglobiont	G2	TX	○	143	15
Rhadine tenebrosa (Barr, 1960)		Coleoptera	Troglobiont	G1G2	TX	○	22	5
Rhagidia varia Zacharda 1985		Actinedida	Troglobiont	G5	VA, WV	○	○	○
Rheocyclops virginianus (Reid, 1993)		Cyclopoida	Stygobiont		VA	○	5	○
Pseudanophthalmus krekeleri Barr, 1965	Rich Mountain Cave Beetle	Coleoptera	Troglobiont	GX	WV	○	1	○
Pseudanophthalmus paradoxus Barr, 1981	Ridetop Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	○
Cicurina baronia Gertsch, 1992	Robber Baron Cave Meshweaver	Araneae	Troglobiont	G1 ESA	TX	○	12	○
Pseudanophthalmus robustus Valentine, 1931	Robust Cave Beetle	Coleoptera	Troglobiont	G3G4	TN	○	7	4
Robustocheles occulta Zacharda & Pugsley, 1988		Actinedida	Troglobiont	G2G3	AB, IA, WA	○	○	○
Stygobromus kenki Holsinger, 1978	Rock Creek Groundwater Amphipod	Amphipoda	Stygobiont	G2	DC, MD, VA	○	15	○
Stygobromus baroodyi Holsinger, 1978	Rockbridge County Cave Amphipod	Amphipoda	Stygobiont	G1	VA	○	11	1
Sphalloplana virginiana Hyman, 1945	Rockbridge County Cave Flatworm	Tricladida	Stygobiont	G1	VA	○	1	○
Pseudotremia roebuckorum Lewis, 2005	Roebuck's Cave Millipede	Chordeumatida	Troglobiont	G1	TN	○	○	○
Pseudanophthalmus rogersae Barr, 1981	Roger's Cave Beetle	Coleoptera	Troglobiont	G1	KY	○	○	○
Rotomelita ana Barnard, 1977		Amphipoda	Stygobiont	G1G2	HI	○	3	○
Rotomelita lokoa Barnard, 1977		Amphipoda	Stygobiont	G1G2	HI	○	13	○
Pseudanophthalmus rotundatus Valentine, 1932	Rotund Cave Beetle	Coleoptera	Troglobiont	G2	TN, VA	○	○	○
Stygobromus mausi Holsinger, 2009	Round Hill Cave Amphipod	Amphipoda	Stygobiont	G1	VA	○	2	○
Chitrella regina Malcolm & Chamberline, 1960	Royal Syarinid Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	WV	○	○	○
Stygobromus lucifugus (Hay, 1882)	Rubious Cave Amphipod	Amphipoda	Stygobiont	G1G2 EX	IL	○	○	○
Banksula rudolphi Briggs & Ubick, 1981	Rudolph's Cave Harvestman	Opiliones	Troglobiont	G1	CA	○	1	○
Stygobromus rudolphi Wang & Holsinger, 2001	Rudolph's Groundwater Amphipod	Amphipoda	Stygobiont	G1	CA	○	3	○
Paramexiweckelia ruffoi Holsinger, 1993	Ruffo's Cave Amphipod	Amphipoda	Stygobiont	G1G2	TX	○	40	○
Rugosuscandona scharfi Kulkoyluoglu et al., 2017		Podocopida	Stygobiont		TX	○	○	○
Apochthonius russelli Muchmore, 1976	Russell Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Stygobromus russelli (Holsinger, 1967)	Russell's Cave Amphipod	Amphipoda	Stygobiont	G4	TX	○	396	11
Pseudanophthalmus seclusus Barr, 1981	Rye Cove Cave Beetle	Coleoptera	Troglobiont	G2G3	VA	○	○	○
Lirceus culveri Estes & Holsinger, 1976	Rye Cove Cave Isopod	Isopoda	Stygobiont	G1 VU	VA	○	9	9
Pseudotremia ryensis Shear, 2011	Rye Cove Cave Milliped	Chordeumatida	Troglobiont	G1	VA	○	○	○
Sagittocythere barri (Hart & Hobbs, 1961)		Podocopida	Stygobiont	G5	AL, IN, KY, TN	○	76	○
Sagittocythere stygia Hart & Hart, 1966		Podocopida	Stygobiont	G1	KY	○	1	○
Pseudanophthalmus sanctipauli Barr, 1981	Saint Paul Cave Beetle	Coleoptera	Troglobiont	G1G2	VA	○	○	○
Cambarus hubrichti Hobbs, 1952	Salem Cave Crayfish	Decapoda	Stygobiont	G4 DD	MO	○	21	23
Caecidotea salemensis Lewis, 1981	Salem Cave Isopod	Isopoda	Stygobiont	G4	AR, MO	○	33	4
Typhlichthys eigenmanni Charlton, 1933	Salem Plateau Cavefish	Percopsiformes	Stygobiont	G3	AR, MO	○	33	148
Pseudotremia salisae Lewis, 2000	Salisa's Cave Milliped	Chordeumatida	Troglobiont	G2	IN	○	3	○
Diacyclops salisae Reid, 2004	Salisa's Groundwater Copepod	Cyclopoida	Stygobiont	G1	IN	○	○	○
Salmasellus howarthi Lewis, 2001		Isopoda	Stygobiont	GNR	OR, WA	○	4	9
Salmasellus steganothrix Bowman, 1975		Isopoda	Stygobiont	G2	AB, MT	○	15	○
Procambarus erythrops Relyea & Sutton, 1975	Santa Fe Cave Crayfish	Decapoda	Stygobiont	G1 EN	FL	○	27	6
Schaefferia asymmetrica (Christiansen & Wang, 2006)		Poduromorpha	Troglobiont		CO	○	○	○
Schaefferia steinmanni (Christiansen & Wang, 2006)		Poduromorpha	Troglobiont		CO	○	○	○
Schaefferia unica (Christiansen & Wang, 2006)		Poduromorpha	Troglobiont		CO	○	○	○
Pseudanophthalmus scholasticus Barr, 1981	Schoolhouse Cave Beetle	Coleoptera	Troglobiont	G1	KY	○	○	○
Schornikovdona bellensis Kulkoyluoglu et al., 2017		Podocopida	Stygobiont		TX	○	○	○
Schrankia howarthi Davis & Medeiros, 2009		Lepidoptera	Troglobiont		HI	○	3	105
Sclerobunus cavicolens (Banks, 1905)		Opiliones	Troglobiont	G1G2	MT	○	8	24
Sclerobunus jemez Derkarabetian & Hedin, 2014		Opiliones	Troglobiont		NV	○	○	○
Sclerobunus klomax Derkarabetian & Hedin, 2014		Opiliones	Troglobiont	GNR	NM	○	5	16
Sclerobunus madhousensis (Briggs, 1971)		Opiliones	Troglobiont	G1G2	UT	○	4	20
Sclerobunus speoventus Derkarabetian & Hedin, 2014		Opiliones	Troglobiont		CO	○	15	32
Sclerobunus steinmanni Derkarabetian & Hedin, 2014		Opiliones	Troglobiont		CO	○	3	21
Sclerobunus ungulatus (Briggs, 1971)		Opiliones	Troglobiont	G1G2	NV	○	29	21
Scoterpes austrinus Loomis, 1943		Chordeumatida	Troglobiont	G3G4	AL, GA	○	3	○
Scoterpes blountensis Shear, 2010		Chordeumatida	Troglobiont		TN	○	○	○
Scoterpes copei (Packard, 1871)		Chordeumatida	Troglobiont	G3G4	KY, TN	○	6	○
Scoterpes hesperus Shear, 2010		Chordeumatida	Troglobiont		TN	○	○	○
Scoterpes jackdanieli Shear, 2010		Chordeumatida	Troglobiont		TN	○	○	○
Scoterpes musicarustica Shear, 2010		Chordeumatida	Troglobiont		TN	○	○	○
Scoterpes nudus Chamberlin, 1943		Chordeumatida	Troglobiont		GA	○	○	○
Scoterpes syntheticus (Shear, 1972)		Chordeumatida	Troglobiont		AL	○	○	○
Scoterpes tricorner Shear, 2010		Chordeumatida	Troglobiont		TN	○	○	○
Scoterpes ventus Shear, 1972		Chordeumatida	Troglobiont	G3	TN	○	1	○
Seborgia hershleri Holsinger, 1992		Amphipoda	Stygobiont	G1G2	TX	○	38	○
Seborgia relicta Holsinger, 1980		Amphipoda	Stygobiont	G2G3	TX	○	96	○
Stygobromus mysticus Holsinger, 1974	Secret Cave Amphipod	Amphipoda	Stygobiont	G1	CA	○	2	○
Pseudanophthalmus senecae Valentine, 1932	Seneca Cave Beetle	Coleoptera	Troglobiont	G1	WV	○	1	○
Bowmanasellus sequoiae (Bowman, 1975)	Sequoia Cave Isopod	Isopoda	Stygobiont	G2	CA	○	○	○
Sequoiadesmus krejcae Shear & Shelley, 2008		Polydesmida	Troglobiont		CA	○	1	○
Pseudanophthalmus sequoyah Barr, 1981	Sequoyah Cave Beetle	Coleoptera	Troglobiont	G1	AL	○	○	○
Caecidotea serrata (Fleming, 1972)	Serrated Cave Isopod	Isopoda	Stygobiont	G1G2	MO	○	4	○
Antroselates spiralis Hubricht, 1963	Shaggy cavesnail	Littorinimorpha	Stygobiont	G3	IN, KY	○	34	3
Dasyscias franzi F. G. Thompson & Hershler, 1991	Shaggy ghostsnail	Littorinimorpha	Stygobiont	G1	FL	○	8	○
Pseudotremia sheari Lewis, 2009	Shear's Cave Millipede	Chordeumatida	Troglobiont	GNR	TN	○	○	○
Stygobromus sheldoni Holsinger, 1974	Sheldon's Groundwater Amphipod	Amphipoda	Stygobiont	G1	CA	○	15	○
Pseudosinella testa Christiansen & Bellinger, 1980	Shelled Cave Springtail	Entomobryomorpha	Troglobiont	G2G3	AR, VA, WV	○	4	○
Pseudotremia shelleyi Lewis, 2009	Shelley's Cave Millipede	Chordeumatida	Troglobiont	GNR	NC	○	3	○
Cambarus sheltae (Cooper & Cooper, 1997)	Shelta Cave Crayfish	Decapoda	Stygobiont	G1 CR	AL	○	○	○
Tyrannochthonius sheltae Muchmore, 1996	Shelta Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Pseudanophthalmus shilohensis Krekeler, 1958	Shiloh Cave Beetle	Coleoptera	Troglobiont	G2	IN	○	2	○
Texella shoshone Ubick & Briggs, 1992	Shoshone Cave Harvestman	Opiliones	Troglobiont	G1	CA	○	1	○
Hubbardia shoshonensis Briggs & Hom, 1972	Shoshone Cave Whipscorpion	Schizomida	Troglobiont	G1	CA	○	1	○
Speodesmus falcatus Elliott, 2004	Sickled Cave Millipede	Polydesmida	Troglobiont	GNR	TX	○	29	○
Stygobromus sierrensis Holsinger, 1974	Sierra Groundwater Amphipod	Amphipoda	Stygobiont	G1	CA	○	2	○
Pseudanophthalmus sericus Barr, 1981	Silken Cave Beetle	Coleoptera	Troglobiont	G1	VA	○	○	○
Procambarus attiguus Hobbs & Franz, 1992	Silver Glen Springs Cave Crayfish	Decapoda	Stygobiont	G1 EN	FL	○	8	5
Stygobromus simplex Wang & Holsinger, 2001	Simple Cave Amphipod	Amphipoda	Stygobiont	G1G2	CO	○	1	○
Pseudanophthalmus simplex Barr, 1980	Simple Cave Beetle	Coleoptera	Troglobiont	G1G2	TN	○	○	○
Sinella agna Christiansen & Bellinger, 1980		Entomobryomorpha	Troglobiont	G3G4	WV	○	2	○
Sinella alata Christiansen, 1960		Entomobryomorpha	Troglobiont	G5	IN	○	1	○
Sinella baca Christiansen & Bonet, 1980		Entomobryomorpha	Troglobiont	G3G4	BC, CA, TX	○	2	○
Sinella basidens Bonet, 1934		Entomobryomorpha	Troglobiont	G3G4	IN, KY, TN	○	3	○
Sinella cavernarum (Packard, 1888)		Entomobryomorpha	Troglobiont	G5	IL, IN, KY, MD, MO, OH, PA, TN, VA	○	11	○
Sinella krekeleri Christiansen, 1960		Entomobryomorpha	Troglobiont	G3G4	KY, WV	○	3	○
Sinella tecta Christiansen & Bonet, 1980		Entomobryomorpha	Troglobiont	G1G2	CA	○	2	○
Sinella yosiia Bellinger & Christiansen, 1974		Entomobryomorpha	Troglobiont	G2G3	HI	○	1	○
Caecidotea stiladactyla Mackin & Hubricht, 1940	Slender-fingered Cave Isopod	Isopoda	Stygobiont	G3G4	AR, MO, OK	○	64	○
Soldanellonyx chapuisi Walter, 1917		Actinedida	Stygobiont	G1	IN	○	○	○
Soldanellonyx morardi Walter, 1919		Actinedida	Stygobiont	G1	IN	○	○	○
Scoterpes sollmani Lewis, 2000	Sollman's Cave Millipede	Chordeumatida	Troglobiont	G1	IN	○	○	○
Pseudanophthalmus potamaca Valentine, 1932	South Branch Valley Cave Beetle	Coleoptera	Troglobiont	G3G4	VA, WV	○	○	○
Hesperochernes mirabilis (Banks, 1895)	Southeastern Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G5	AL, GA, IN, KY, OH, TN, VA	○	2	○
Orconectes australis (Rhoades, 1941)	Southern Cave Crayfish	Decapoda	Stygobiont	G5 LC	AL, TN	○	158	152
Typhlichthys subterraneus Girard, 1859	Southern Cavefish	Percopsiformes	Stygobiont	G4 NT	AL, GA, KY, TN	○	190	716
Eurycea braggi (Smith, 1968)	Southern Grotto Salamander	Caudata	Troglobiont	GNR LC	AR	○	15	137
Caecidotea recurvata (Steeves, 1963)	Southwest Virginia Cave Isopod	Isopoda	Stygobiont	G5	TN, VA	○	120	76
Stygobromus mackini Hubricht, 1943	Southwestern Virginia Cave Amphipod	Amphipoda	Stygobiont	G5	IN, KY, TN, VA, WV	○	152	5
Spelaedrilus multiporus Cook 1975		Lumbriculida	Stygobiont	G1	VA	○	2	○
Spelaeorchestia pahoehoe Myers & Lowry, 2023		Amphipoda	Troglobiont		HI	○	○	○
Speleobama vana Park, 1951		Coleoptera	Troglobiont	G1	AL	○	○	○
Speleochus blanchardensis Carlton, 2012		Coleoptera	Troglobiont		AR	○	1	○
Speleochus croceus Park, 1960		Coleoptera	Troglobiont	G1G2	AL	○	○	○
Speleochus eurous (Park, 1960)		Coleoptera	Troglobiont	G2G3	AL	○	○	○
Speleochus ferus Park, 1951		Coleoptera	Troglobiont	G1G2	AL, TN	○	1	○
Speleochus macosar Carlton, 2012		Coleoptera	Troglobiont		AR	○	1	○
Speleochus steevesi (Park, 1960)		Coleoptera	Troglobiont	G4	AL, TN	○	○	○
Speleochus stygicus Park, 1951		Coleoptera	Troglobiont	G1G2	AL	○	○	○
Speleochus synstygicus Park, 1956		Coleoptera	Troglobiont	G1	AL	○	○	○
Speleomaster lexi Briggs, 1974		Opiliones	Troglobiont	G1G2	ID	○	2	6
Speleomaster pecki Briggs, 1974		Opiliones	Troglobiont	G1G2	ID	○	1	○
Speleonura kenchristianseni Palacios-Vargas & Benito, 2007		Poduromorpha	Troglobiont	G1	VA	○	○	○
Speleonychia sengeri Briggs, 1974		Opiliones	Troglobiont	G1G2	WA	○	27	5
Speocirolana hardeni Bowman, 1992		Isopoda	Stygobiont	G2G3	TX	○	116	4
Speodesmus bicornourus Causey, 1959		Polydesmida	Troglobiont	G2G3	TX	○	252	○
Speodesmus castellanus Elliott, 2004		Polydesmida	Troglobiont		TX	○	115	○
Speodesmus echinourus Loomis, 1939		Polydesmida	Troglobiont	G2G3	TX	○	366	○
Speorthus reyesi Shear & Reddell, 2017		Polydesmida	Troglobiont		TX	○	○	○
Speorthus tuganbius Chamberlin, 1952		Polydesmida	Troglobiont	G2G3	NM, TX	○	○	○
Speoseya grahami Causey, 1963		Chordeumatida	Troglobiont	G2G3	CA	○	1	○
Sphaeromicola moria Hart, 1978		Podocopida	Stygobiont	G1G2	TX	○	○	○
Sphalloplana hypogea Kenk, 1984		Tricladida	Stygobiont	G1G2	VA	○	2	○
Sphalloplana mohri Hyman, 1938		Tricladida	Stygobiont	G3G4	TX	○	12	○
Sphalloplana percoeca (Packard, 1879)		Tricladida	Stygobiont	G5	AL, KY, TN, WV	○	25	○
Phreatodrobia spica Perez & Alvear, 2020	Spiky Cavesnail	Littorinimorpha	Stygobiont	GNR	TX	○	7	1
Stygobromus urospinatus Wang & Holsinger, 2001	Spinose Cave Amphipod	Amphipoda	Stygobiont	G1G3	CO	○	6	○
Stygobromus spinatus (Holsinger, 1967)	Spiny Cave Amphipod	Amphipoda	Stygobiont	G2G3 VU	WV	○	92	1
Pseudosinella spinosa (Delamare Deboutteville, 1949)	Spiny Cave Springtail	Entomobryomorpha	Troglobiont	G5	AL, GA, TN	○	5	○
Pseudanophthalmus punctatus Valentine, 1931	Spotted Cave Beetle	Coleoptera	Troglobiont	G2	VA	○	○	○
Palaemonetes cummingi Chace, 1954	Squirrel Chimney Cave Shrimp	Decapoda	Stygobiont	GH CR ESA	FL	○	○	○
Pseudanophthalmus steevesi Barr, 1981	Steeves' Cave Beetle	Coleoptera	Troglobiont	G1G2	AL	○	○	○
Caecidotea steevesi (Fleming, 1972)	Steeves' Cave Isopod	Isopoda	Stygobiont	G3G4	AR, KS, MO, OK	○	10	○
Tyrannochthonius steevesi Muchmore, 1996	Steeves' Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	TN	○	○	○
Stygobromus stellmacki (Holsinger, 1967)	Stellmack's Cave Amphipod	Amphipoda	Stygobiont	G1G2 VU	PA	○	6	○
Stenophilus californicus (Chamberlin, 1930)		Geophilomorpha	Troglobiont	G1G2	CA	○	○	○
Pseudanophthalmus tenebrosus Krekeler, 1973	Stevens Creek Cave Beetle	Coleoptera	Troglobiont	G1	KY	○	2	○
Apochthonius typhlus Muchmore, 1967	Stone County Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1G2	MO	○	○	○
Pseudanophthalmus quadratus Barr, 1965	Straley's Cave Beetle	Coleoptera	Troglobiont	G1	VA	○	1	○
Striaria eldora Chamberlin, 1953		Chordeumatida	Troglobiont	G2G3	CA	○	○	○
Texapyrgus longleyi Thompson & Hershler, 1991	Striated hydrobe	Littorinimorpha	Stygobiont	G1	TX	○	9	1
Caecidotea stygia Packard, 1871	Stygian Cave Isopod	Isopoda	Stygobiont	G5	IL, IN, KY, MO, OH, TN	○	190	111
Amnicola stygius Hubricht, 1971	Stygian cavesnail	Littorinimorpha	Stygobiont	G1 VU	MO	○	6	○
Stygobromus ackerlyi Holsinger, 1978		Amphipoda	Stygobiont	G1G2	GA	○	7	○
Stygobromus allegheniensis (Holsinger, 1967)		Amphipoda	Stygobiont	G5	MD, NY, PA, WV	○	72	10
Stygobromus anacostensis Cannizzaro et al., 2024		Amphipoda	Stygobiont		DC	○	○	75
Stygobromus bakeri Gibson & Hutchins, 2021		Amphipoda	Stygobiont		TX	○	27	○
Stygobromus barryi Holsinger, 1978		Amphipoda	Stygobiont	G1	TN	○	○	○
Stygobromus cherylae Wang & Holsinger, 2001		Amphipoda	Stygobiont	G1	CA	○	5	○
Stygobromus duplus Wang & Holsinger, 2001		Amphipoda	Stygobiont	G1G2	WA	○	2	○
Stygobromus elatus (Holsinger, 1967)		Amphipoda	Stygobiont	G1 VU	AR	○	3	○
Stygobromus fecundus Holsinger, 1978		Amphipoda	Stygobiont	G1G2	TN	○	6	○
Stygobromus fontinalis Wang & Holsinger, 2001		Amphipoda	Stygobiont	G1G2	CO	○	5	○
Stygobromus gracilipes (Holsinger, 1967)		Amphipoda	Stygobiont	G3G4	MD, PA, VA, WV	○	39	8
Stygobromus grandis Holsinger, 1978		Amphipoda	Stygobiont	G1	GA	○	3	○
Stygobromus inexpectatus Holsinger, 1978		Amphipoda	Stygobiont	G1	AL	○	2	○
Stygobromus latus Wang & Holsinger, 2001		Amphipoda	Stygobiont	G1G3	WA	○	4	○
Stygobromus minutus Holsinger, 1978		Amphipoda	Stygobiont	G2G3	GA	○	3	○
Stygobromus montanensis Holsinger, 1974		Amphipoda	Stygobiont	G1G2	MT	○	3	○
Stygobromus nanus Holsinger, 1978		Amphipoda	Stygobiont	G1	WV	○	3	○
Stygobromus obscurus Holsinger, 1974		Amphipoda	Stygobiont	G1G2	MT	○	3	○
Stygobromus oregonensis Holsinger, 1974		Amphipoda	Stygobiont	G1G2	OR	○	3	○
Stygobromus puteanus Holsinger, 1974		Amphipoda	Stygobiont	G1G2	MT	○	2	○
Stygobromus reddelli (Holsinger, 1966)		Amphipoda	Stygobiont	G1G2 VU	TX	○	6	○
Stygobromus secundus Bousfield & Holsinger, 1981		Amphipoda	Stygobiont	G1	AB	○	4	○
Stygobromus tahoensis Holsinger, 1974		Amphipoda	Stygobiont	G1	CA, NV	○	16	○
Stygobromus tenuis (Smith, 1874)		Amphipoda	Stygobiont	G4	CT, DC, MA, MD, NY, PA, VA, WV	○	292	102
Stygonyx courtneyi Bousfield & Holsinger, 1989		Amphipoda	Stygobiont	G1G2	OR	○	13	○
Stygoporus oregonensis Larson & LaBonte, 1994		Coleoptera	Stygobiont	G1G2	OR	○	4	12
Stylodrilus beattiei Cook, 1975		Lumbriculida	Stygobiont	G1	VA, WV	○	5	○
Stylodrilus californianus Rodriguez, 1996		Lumbriculida	Stygobiont		CA	○	10	○
Stylodrilus wahkeenensis Rodriguez & Coates, 1996		Lumbriculida	Stygobiont		AL, OR, TN	○	6	○
Phanetta subterranea (Emerton, 1875)	Subterranean Sheetweb Spider	Araneae	Troglobiont	G5	AL, AR, GA, IL, IN, KY, MO, NC, OH, TN, VA, WV	○	9	47
Stygobromus subtilis (Hubricht, 1943)	Subtle Cave Amphipod	Amphipoda	Stygobiont	G2 VU	IL, MI, MO	○	17	○
Crangonyx sulphurium Sawicki & Holsinger, 2017	Sulphurous Cave Amphipod	Amphipoda	Stygobiont	G1	FL	○	6	○
Pseudanophthalmus inexpectatus Barr, 1959	Surprising Cave Beetle	Coleoptera	Troglobiont	G1G2	KY	○	5	○
Pseudanophthalmus orientalis Krekeler, 1973	Surprising Cave Beetle	Coleoptera	Troglobiont	G2G3	KY	○	○	○
Cambarus speleocoopi Buhay & Crandall, 2009	Sweet Home Alabama Cave Crayfish	Decapoda	Stygobiont	G1 EN	AL	○	6	12
Stygobromus borealis Hoslinger, 1978	Taconic Cave Amphipod	Amphipoda	Stygobiont	G2G3	MA, NY, QC, VT	○	7	○
Taiyutyla loftinae Shear & Krejca, 2011		Chordeumatida	Troglobiont		CA	○	○	○
Pseudanophthalmus fastigatus Barr, 1981	Tapered Cave Beetle	Coleoptera	Troglobiont	G1	GA	○	○	○
Taracus aspenae Shear, 2018		Opiliones	Troglobiont		OR	○	1	○
Taracus fluvipileus Shear & Warfel, 2016		Opiliones	Troglobiont		CA	○	1	○
Taracus marchingtoni Shear & Warfel, 2016		Opiliones	Troglobiont		OR	○	○	○
Taracus silvestrii Briggs, 1969		Opiliones	Troglobiont	G1G2	OR	○	1	○
Taracus taylori Shear & Warfel, 2016		Opiliones	Troglobiont	GNR	NV	○	6	○
Tartarocreagris altimana Muchmore, 2001		Pseudoscorpiones	Troglobiont	G1G2	TX	○	○	○
Tartarocreagris amblyopa Muchmore, 2001		Pseudoscorpiones	Troglobiont	G1G2	TX	○	○	○
Tartarocreagris attenuata Muchmore, 2001		Pseudoscorpiones	Troglobiont	G1G2	TX	○	○	○
Tartarocreagris domina Muchmore, 2001		Pseudoscorpiones	Troglobiont	G1G2	TX	○	○	○
Tartarocreagris grubbsi Muchmore, 2001		Pseudoscorpiones	Troglobiont	G1G2	TX	○	○	○
Tartarocreagris hoodensis Muchmore, 2001		Pseudoscorpiones	Troglobiont	G1G2	TX	○	3	○
Tartarocreagris infernalis (Muchmore, 1969)		Pseudoscorpiones	Troglobiont	G2G3	TX	○	5	○
Tartarocreagris intermedia Muchmore, 1992		Pseudoscorpiones	Troglobiont	G1G2	TX	○	○	○
Tartarocreagris proserpina Muchmore, 2001		Pseudoscorpiones	Troglobiont	G1G2	TX	○	○	○
Tartarocreagris reyesi Muchmore, 2001		Pseudoscorpiones	Troglobiont	GNR	TX	○	○	○
Pseudanophthalmus parvus Krekeler, 1973	Tatum Cave Beetle	Coleoptera	Troglobiont	GH	KY	○	2	○
Tayshaneta anopica (Gertsch, 1974)		Araneae	Troglobiont	G1G2	TX	○	11	○
Tayshaneta archambaulti Ledford et al., 2012		Araneae	Troglobiont	GNR	TX	○	19	○
Tayshaneta bullis (Cokendolpher, 2004)		Araneae	Troglobiont	GNR	TX	○	12	○
Tayshaneta concinna (Gertsch, 1974)		Araneae	Troglobiont	G1G2	TX	○	15	○
Tayshaneta fawcetti Ledford et al., 2012		Araneae	Troglobiont	GNR	TX	○	41	○
Tayshaneta oconnorae Ledford et al., 2012		Araneae	Troglobiont	GNR	TX	○	1	○
Tayshaneta sandersi Ledford et al., 2012		Araneae	Troglobiont	GNR	TX	○	9	○
Tayshaneta sprousei Ledford et al., 2012		Araneae	Troglobiont	GNR	TX	○	14	○
Tayshaneta vidrio Ledford et al., 2012		Araneae	Troglobiont	GNR	TX	○	○	○
Tayshaneta whitei Ledford et al., 2012		Araneae	Troglobiont	GNR	TX	○	12	○
Pseudanophthalmus templetoni Valentine, 1948	Templeton's Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	○
Orconectes incomptus Hobbs & Barr, 1972	Tennessee Cave Crayfish	Decapoda	Stygobiont	G2 VU	TN	○	8	17
Tetracion tennesseensis Causey, 1959	Tennessee Cave Millipede	Callipodida	Troglobiont	G2G3	TN	○	○	36
Gyrinophilus palleucus McCrady, 1954	Tennessee Cave Salamander	Caudata	Stygobiont	G2G3 NT	AL, GA, TN	○	206	67
Nesticus tennesseensis (Petrunkevitch, 1925)	Tennessee Cave Spider	Araneae	Troglobiont	G3G4	TN, VA, WV	○	10	25
Antrorbis tennesseensis Perez, Shoobs, Gladstone, & Niemiller, 2019	Tennessee Cavesnail	Littorinimorpha	Stygobiont	GNR	TN	○	3	6
Caecidotea richardsonae Hay, 1901	Tennessee Valley Cave Isopod	Isopoda	Stygobiont	G5	AL, GA, TN, VA	○	59	○
Tethysbaena texana (Maguire, 1965)		Thermosbaenacea	Stygobiont	GNR	TX	○	112	○
Texanobathynella aaronswinki Camacho & Hutchins, 2021		Bathynellacea	Stygobiont		TX	○	○	○
Texanobathynella bowmani (Delamare et al., 1975)		Bathynellacea	Stygobiont	GNR	TX	○	○	○
Texanobathynella coloradoensis Camacho & Hutchins, 2021		Bathynellacea	Stygobiont		TX	○	○	○
Texanobathynella sachi Cho, 1996		Bathynellacea	Stygobiont		CA	○	3	○
Eurycea rathbuni (Stejneger, 1896)	Texas Blind Salamander	Caudata	Stygobiont	G1 CR ESA	TX	○	380	9
Lirceolus smithii (Ulrich, 1902)	Texas Troglobitic Water Slater	Isopoda	Stygobiont	G1G2	TX	○	432	○
Texella elliotti Ubick & Briggs, 2004		Opiliones	Troglobiont		TX	○	1	○
Texella hardeni Ubick & Briggs, 1992		Opiliones	Troglobiont	G1G2	TX	○	5	○
Texella hilgerensis Ubick & Briggs, 2004		Opiliones	Troglobiont		TX	○	2	○
Texella martensi Ubick, 2021		Opiliones	Troglobiont		CA	○	1	○
Texella mulaiki Goodnight & Goodnight, 1942		Opiliones	Troglobiont	G2G3	TX	○	26	○
Texella tuberculata Ubick & Briggs, 2004		Opiliones	Troglobiont		TX	○	4	○
Texella welbourni Ubick & Briggs, 1992		Opiliones	Troglobiont	G1G2	NM	○	1	○
Texella whitei Ubick & Briggs, 2004		Opiliones	Troglobiont		TX	○	3	○
Texicerberus amistad Hutchins et al., 2022		Isopoda	Stygobiont	GNR	TX	○	23	○
Texicerberus castilloi Hutchins et al., 2022		Isopoda	Stygobiont		TX	○	6	○
Texicerberus schotteae Hutchins et al., 2022		Isopoda	Stygobiont	GNR	TX	○	22	○
Texiweckelia texensis (Holsinger, 1973)		Amphipoda	Stygobiont	G2G3	TX	○	268	○
Texiweckeliopsis insolita (Holsinger, 1980)		Amphipoda	Stygobiont	G3	TX	○	303	○
Texoreddellia aquilonalis Espinasa & Giribet, 2009		Zygentoma	Troglobiont		TX	○	○	8
Texoreddellia capitesquameo Espinasa & Giribet, 2009		Zygentoma	Troglobiont		TX	○	○	1
Texoreddellia coahuilensis Espinasa & Giribet, 2009		Zygentoma	Troglobiont		TX	○	○	5
Texoreddellia media Espinasa & Giribet, 2009		Zygentoma	Troglobiont		TX	○	○	17
Texoreddellia occasus Espinasa & Giribet, 2009		Zygentoma	Troglobiont		TX	○	○	○
Texoreddellia texensis (Ulrich, 1902)		Zygentoma	Troglobiont	G4	TX	○	○	17
Thalkethops grallatrix Crabill, 1960		Scolopendromorpha	Troglobiont	G1G2	NM	○	2	○
Holsingeria unthanksensis Hershler, 1989	Thankless ghostsnail	Littorinimorpha	Stygobiont	G2	VA	○	20	1
Theatops phanus Chamberlin, 1951		Scolopendromorpha	Troglobiont	G2G3	TX	○	30	○
Theotima makua Gertsch, 1973		Araneae	Troglobiont	G2G3	HI	○	1	○
Pseudanophthalmus thomasi Barr, 1981	Thomas' Cave Beetle	Coleoptera	Troglobiont	G1G2	VA	○	○	○
Thymoites minero Roth, 1992		Araneae	Troglobiont	G1G2	AZ	○	1	○
Stygobromus indentatus (Holsinger, 1967)	Tidewater Amphipod	Amphipoda	Stygobiont	G3 VU	MD, NC, VA	○	22	3
Stygobromus araeus (Holsinger, 1969)	Tidewater Interstitial Amphipod	Amphipoda	Stygobiont	G3 VU	NC, VA	○	24	○
Pseudanophthalmus hadenoecus Barr, 1965	Timber Ridge Cave Beetle	Coleoptera	Troglobiont	G1	WV	○	1	○
Tingupa pallida Loomis, 1939	Tingupa Cave Millipede	Chordeumatida	Troglobiont	G4	AR, IL, MO	○	13	○
Pseudanophthalmus pusillus Barr, 1981	Tiny Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	○
Pseudotremia conservata Hoffman & Lewis, 1997	TNC Cave Milliped	Chordeumatida	Troglobiont	G1G2	IN	○	○	○
Rhadine persephone Barr, 1974	Tooth Cave Beetle	Coleoptera	Troglobiont	G1G2 NE ESA	TX	○	90	9
Tartarocreagris texana (Muchmore, 1969)	Tooth Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1G2 DD ESA	TX	○	1	○
Tayshaneta myopica (Gertsch, 1974)	Tooth Cave Spider	Araneae	Troglobiont	G1G2 DD ESA	TX	○	74	○
Trogloglanis pattersoni Eigenmann, 1919	Toothless Blindcat	Siluriformes	Stygobiont	G1G2 VU ESA?	TX	○	104	4
Ptomaphagus torodei Peck, 1984	Torode's Cave Fungus Beetle	Coleoptera	Troglobiont	G1G2	AL	○	○	6
Tyrannochthonius torodei Muchmore, 1996	Torode's Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Traegaardhia holsingeri (Zacharda, 1980)		Actinedida	Troglobiont		AR, KY, MO, OK	○	○	○
Traegaardhia paralleloseta (Zacharda, 1985)		Actinedida	Troglobiont	G1	VA	○	○	○
Traegaardhia similis Zacharda et al., 2010		Actinedida	Troglobiont		AR	○	12	○
Trichodrilus comalensis Fend, 2023		Lumbriculida	Stygobiont		TX	○	6	○
Trichodrilus culveri Cook, 1975		Lumbriculida	Stygobiont	G1	WV	○	2	○
Trichopetalum uncum Cook & Collins, 1895		Chordeumatida	Troglobiont	GNR	IN	○	○	○
Stygobromus trinus Wang & Holsinger, 2001	Trinity County Cave Amphipod	Amphipoda	Stygobiont	G1	CA	○	2	○
Tuberochernes aalbui Muchmore, 1997		Pseudoscorpiones	Troglobiont	G1G2	CA	○	○	○
Tuberochernes cohni Harvey & Wynne, 2014		Pseudoscorpiones	Troglobiont	GNR	AZ	○	○	○
Tuberochernes ubicki Muchmore, 1997		Pseudoscorpiones	Troglobiont	G1	AZ	○	1	○
Tuberona leonidasi (Kulkoyluoglu et al., 2023)		Podocopida	Stygobiont		TX	○	○	○
Antrobia culveri Hubricht, 1971	Tumbling Creek cavesnail	Littorinimorpha	Stygobiont	G1 EN ESA	MO	○	7	○
Banksula tuolumne Briggs, 1974	Tuolumne Cave Harvestman	Opiliones	Troglobiont	G2	CA	○	1	○
Pseudotremia contorta Shear, 2011	Twisted-gonopod Cave Milliped	Chordeumatida	Troglobiont	G1	VA	○	○	○
Caecidotea bicrenata (Steeves, 1963)	Two-toothed Cave Isopod	Isopoda	Stygobiont	G5	AL, IL, KY, TN	○	66	28
Tychobythinus hubrichti (Park, 1960)		Coleoptera	Troglobiont	G1G2	KY	○	1	○
Tychobythinus jonesi (Park, 1951)		Coleoptera	Troglobiont	G1G2	AL	○	○	○
Tychobythinus strinatii Besuchet, 1982		Coleoptera	Troglobiont	G1G2	TN	○	○	○
Tylparua troglodytes Evenhuis, 2024		Diptera	Troglobiont		HI	○	○	○
Typhloelmis caroline Barr et al., 2015		Coleoptera	Stygobiont	GNR	TX	○	3	○
Typhloelmis finegan Barr et al., 2015		Coleoptera	Stygobiont	GNR	TX	○	3	○
Typhloelmis sanfelipe Barr et al., 2015		Coleoptera	Stygobiont	GNR	TX	○	3	○
Typhloelmis spangleri Barr, 2023		Coleoptera	Stygobiont	GNR	TX	○	○	○
Typhlogastrura alabamensis (Thibaud, 1975)		Poduromorpha	Troglobiont	G1G2	AL	○	○	○
Typhlogastrura christianseni Thibaud, 1975		Poduromorpha	Troglobiont	G1	AL, TN	○	○	○
Typhlogastrura hubbardi Thibaud, 1995		Poduromorpha	Troglobiont	G2G3	VA	○	○	○
Tyrannochthonius aladdinensis Chamberlin, 1995		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius aralu Chamberlin, 1995		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius archeri Chamberlin, 1995		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius attenuatus Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius avernicolus Chamberlin, 1995		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius binoculatus Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius chamberlini Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius charon Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius diabolus Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1G2	AL	○	○	○
Tyrannochthonius erebicus Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius felix Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius fiskei Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	TN	○	○	○
Tyrannochthonius gnomus Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius halopotamus Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	AL, TN	○	○	○
Tyrannochthonius hypogeus Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	KY	○	○	○
Tyrannochthonius infernalis Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius muchmoreorum Cokendolpher, 2009		Pseudoscorpiones	Troglobiont	GNR	TX	○	○	○
Tyrannochthonius nergal Chamberlin, 1995		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius orpheus Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1G2	AL	○	○	○
Tyrannochthonius osiris Chamberlin, 1995		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius parvus Chamberlin, 1995		Pseudoscorpiones	Troglobiont	G1G2	AL	○	○	○
Tyrannochthonius pholeter Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius pluto Chamberlin, 1995		Pseudoscorpiones	Troglobiont	G1G2	AL	○	○	○
Tyrannochthonius pupukeanus Muchmore, 1983		Pseudoscorpiones	Troglobiont	G1	HI	○	1	○
Tyrannochthonius satan Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius skeletonis Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius stonei Muchmore, 1989		Pseudoscorpiones	Troglobiont		HI	○	1	○
Tyrannochthonius stygius Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius tartarus Muchmore, 1996		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius tenuis Chamberlin, 1995		Pseudoscorpiones	Troglobiont	G1	AL	○	○	○
Tyrannochthonius troglodytes Muchmore, 1986		Pseudoscorpiones	Troglobiont	G1G2	TX	○	○	○
Ufocandona hannaleeae Kulkoyluoglu et al., 2017		Podocopida	Stygobiont		TX	○	○	○
Uncinocythere ambophora (Walton & Hobbs, 1959)		Podocopida	Stygobiont	G2G3	FL	○	10	○
Uncinocythere pholetera (Hart & Hobbs, 1961)		Podocopida	Stygobiont	G1G2	MO	○	14	○
Uncinocythere warreni Hobbs & Walton, 1968		Podocopida	Stygobiont	G1	GA	○	6	○
Uncinocythere xania (Hart & Hobbs, 1961)		Podocopida	Stygobiont	G3	IN, MO	○	21	○
Pseudanophthalmus unionis Barr, 1981	Union County Cave Beetle	Coleoptera	Troglobiont	G1G2	TN	○	○	○
Uroctonus grahami Gertsch & Soleglad, 1972		Scorpiones	Troglobiont	G1G2	CA	○	○	1
Usofila gracilis Keyserling, 1891		Araneae	Troglobiont	G1G2	CA	○	○	○
Stygobromus utahensis Wang & Holsinger, 2001	Utah Cave Amphipod	Amphipoda	Stygobiont	G1G2	UT	○	2	○
Pseudanophthalmus valentinei Jeannel, 1949	Valentine's Cave Beetle	Coleoptera	Troglobiont	G3G4	TN	○	○	○
Ptomaphagus valentinei Jeannel, 1933	Valentine's Cave Fungus Beetle	Coleoptera	Troglobiont	G3G4	AL	○	3	○
Lissocreagris valentinei (Chamberlin, 1962)	Valentine's Cave Pseudoscorpion	Pseudoscorpiones	Troglobiont	G1	VA	○	○	○
Typhlogastrura valentini Thibaud, 1996	Valentine's Cave Springtail	Poduromorpha	Troglobiont	G1	VA	○	○	○
Pseudobaicalasellus vandeli (Bresson, 1955)	Vandel's Cave Isopod	Isopoda	Stygobiont	G3G4	MD, VA	○	○	○
Vetericaris chaceorum Kensley & Williams, 1986		Decapoda	Stygobiont	G1 ESA	HI	○	4	○
Pseudanophthalmus vicarius Barr, 1965	Vicariant Cave Beetle	Coleoptera	Troglobiont	G2G3	VA	○	1	○
Fontigens morrisoni Hershler, Holsinger & Hubricht, 1990	Virginia springsnail	Littorinimorpha	Stygobiont	G2	VA	○	8	○
Vitropyrgus lillianae Perez & Castañeda, 2023		Littorinimorpha	Stygobiont		TX	○	○	6
Thaumatogryllus cavicola Gurney & Rentz, 1978	Vovanoes Cave Cricket	Orthoptera	Troglobiont	G1G2 VU	HI	○	4	○
Vulcanochthonius aa Muchmore, 2000		Pseudoscorpiones	Troglobiont		HI	○	1	○
Vulcanochthonius howarthi (Muchmore, 1979)		Pseudoscorpiones	Troglobiont	G1G2	HI	○	1	○
Vulcanochthonius pohakuloae Muchmore, 2000		Pseudoscorpiones	Troglobiont		HI	○	1	○
Stygobromus wahkeenensis Wang & Holsinger, 2001	Wahkeena Creek Groundwater Amphipod	Amphipoda	Stygobiont	G1G2	OR	○	3	○
Pseudanophthalmus wallacei Barr, 1981	Wallace's Cave Beetle	Coleoptera	Troglobiont	G1	TN	○	○	2
Pseudotremia wallaceae Lewis, 2005	Wallace's Cave Millipede	Chordeumatida	Troglobiont	G1	TN	○	○	○
Stygobromus wardi Wang & Holsinger, 2001	Ward's Groundwater Amphipod	Amphipoda	Stygobiont	G1G2	CO	○	3	○
Cicurina wartoni Gertsch, 1992	Warton Cave Meshweaver	Araneae	Troglobiont	G1	TX	○	○	○
Sphalloplana weingartneri Kenk, 1970	Weingartner's cave flatworm	Tricladida	Stygobiont	G4	IN	○	3	○
Stygobromus wengerorum Holsinger, 1974	Wenger Cave Amphipod	Amphipoda	Stygobiont	G1 VU	CA	○	4	○
Zygonopus krekeleri Causey, 1960	West Virginia Blind Cave Millipede	Chordeumatida	Troglobiont	G4	WV	○	○	○
Gyrinophilus subterraneus Besharse & Holsinger, 1977	West Virginia Spring Salamander	Caudata	Stygobiont	G1 CR ESA?	WV	○	30	45
Pseudanophthalmus assimilis Barr, 1981	West Wills Valley Cave Beetle	Coleoptera	Troglobiont	G1G2	AL	○	○	○
Pseudanophthalmus occidentalis Barr, 1959	Western Cave Beetle	Coleoptera	Troglobiont	G1G2	TN	○	○	○
Eurycea spelaea (Stejneger, 1892)	Western Grotto Salamander	Caudata	Troglobiont	G4 LC	AR, KS, MO, OK	○	2.1k	236
Stygobromus albapinus Taylor & Holsinger, 2011	White Pine amphipod	Amphipoda	Stygobiont		NV	○	4	○
Cambarus veitchorum Cooper & Cooper, 1997	White Spring Cave Crayfish	Decapoda	Stygobiont	G1 CR	AL	○	5	○
Bathyphantes weyeri (Emerton, 1875)	Wide Shield Sheetweaver	Araneae	Troglobiont	G4	AR, IN, KY, ON, PA, QC, VA, WI, WV	○	9	○
Satan eurystomus Hubbs & Bailey, 1947	Widemouth Blindcat	Siluriformes	Stygobiont	G1G2 VU ESA?	TX	○	48	○
Stygobromus saltuaris Wang & Holsinger, 2001	Williamette Natonal Forest Groundwater Amphipod	Amphipoda	Stygobiont	G1G2	OR	○	2	○
Stygobromus putealis (Holmes, 1909)	Wisconsin Well Amphipod	Amphipoda	Stygobiont	G2G3 VU	WI	○	2	○
Pseudotremia withersi Lewis, 2009	Withers' Cave Millipede	Chordeumatida	Troglobiont	G1	TN	○	○	○
Procambarus orcinus Hobbs & Means, 1972	Woodville Karst Cave Crayfish	Decapoda	Stygobiont	G1 EN	FL	○	25	6
Stygobromus tritus Holsinger, 1974	Worn Groundwater Amphipod	Amphipoda	Stygobiont	G1	MT	○	5	○
Veigaia wyandottensis (Packard, 1888)	Wyandotte Cave Mite	Mesostigmata	Troglobiont	G1	IN	○	○	○
Ceratophysella lucifuga (Packard, 1888)	Wyandotte Cave Springtail	Poduromorpha	Troglobiont	GNR	IN	○	2	○
Xenotrechus condei Barr & Krekeler, 1967		Coleoptera	Troglobiont	G1G2	MO	○	○	○
Xenotrechus denticollis Barr & Krekeler, 1967		Coleoptera	Troglobiont	G1G2	MO	○	2	9
Diacyclops yeatmani Reid, 1988	Yeatman's Groundwater Copepod	Cyclopoida	Stygobiont	G2G3	IL, IN, MO, OK, TN	○	5	○
Pseudanophthalmus youngi Krekeler, 1958	Young's Cave Beetle	Coleoptera	Troglobiont	G3G4	IN	○	3	○
Zosteractis interminata Loomis, 1943	Zosteractis Cave Millipede	Julida	Troglobiont	G1	IL, MO	○	2	○

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