''Stygobromus'' is a genus of
amphipod
Amphipoda is an order of malacostracan crustaceans with no carapace and generally with laterally compressed bodies. Amphipods range in size from and are mostly detritivores or scavengers. There are more than 9,900 amphipod species so far descr ...
crustacean
Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean group ...
s that live in subterranean habitats. As well as a large number of species in
North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
, a smaller number of species are also known from
Eurasia
Eurasia (, ) is the largest continental area on Earth, comprising all of Europe and Asia. Primarily in the Northern and Eastern Hemispheres, it spans from the British Isles and the Iberian Peninsula in the west to the Japanese archipelago a ...
. Most of the North American species live in areas which were not covered by the
Laurentide Ice Sheet
The Laurentide Ice Sheet was a massive sheet of ice that covered millions of square miles, including most of Canada and a large portion of the Northern United States, multiple times during the Quaternary glacial epochs, from 2.58 million years a ...
, although a few species seem to have survived under the ice. A number of species are on the
IUCN Red List
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biol ...
as
endangered species
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inv ...
(EN) or
vulnerable species
A vulnerable species is a species which has been Conservation status, categorized by the International Union for Conservation of Nature as being threatened species, threatened with extinction unless the circumstances that are threatened species, ...
(VU); all the listed species are
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to the
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
. One species, ''
S. lucifugus'', is
extinct
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...
. ''Stygobromus'' includes the following species:
*''
Stygobromus abditus''
Holsinger, 1978 (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus ackerlyi
''Stygobromus'' is a genus of amphipod crustaceans that live in subterranean habitats. As well as a large number of species in North America, a smaller number of species are also known from Eurasia. Most of the North American species live in area ...
''
Holsinger, 1978 (
Georgia)
*''
Stygobromus alabamensis
''Stygobromus'' is a genus of amphipod crustaceans that live in subterranean habitats. As well as a large number of species in North America, a smaller number of species are also known from Eurasia. Most of the North American species live in area ...
''
(Stout, 1911)
*''
Stygobromus albapinus''
Taylor & Holsinger, 2011 (
Nevada
Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...
)
*''
Stygobromus allegheniensis
''Stygobromus'' is a genus of amphipod crustaceans that live in subterranean habitats. As well as a large number of species in North America, a smaller number of species are also known from Eurasia. Most of the North American species live in area ...
''
(Holsinger, 1967) (
New York
New York most commonly refers to:
* New York City, the most populous city in the United States, located in the state of New York
* New York (state), a state in the northeastern United States
New York may also refer to:
Film and television
* '' ...
to
West Virginia
West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the Bur ...
)
*''
Stygobromus ambulans
''Stygobromus'' is a genus of amphipod crustaceans that live in subterranean habitats. As well as a large number of species in North America, a smaller number of species are also known from Eurasia. Most of the North American species live in area ...
''
(F. Müller, 1846)
*''
Stygobromus anastasiae
''Stygobromus'' is a genus of amphipod crustaceans that live in subterranean habitats. As well as a large number of species in North America, a smaller number of species are also known from Eurasia. Most of the North American species live in area ...
''
Sidorov, Holsinger et Takhteev, 2010 (
Russia
Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
)
*''
Stygobromus apscheronia''
(Derzhavin, 1945) (
Azerbaijan
Azerbaijan (, ; az, Azərbaycan ), officially the Republic of Azerbaijan, , also sometimes officially called the Azerbaijan Republic is a transcontinental country located at the boundary of Eastern Europe and Western Asia. It is a part of th ...
)
*''
Stygobromus araeus''
(Holsinger, 1969) 
(
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus arizonensis''
Holsinger, 1974 
*''
Stygobromus balconis''
(Hubricht, 1943) 
*''
Stygobromus baroodyi''
Holsinger, 1978 (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus barri''
(Holsinger, 1967) 
*''
Stygobromus barryi''
Holsinger, 1978 (
Tennessee
Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to th ...
)
*''
Stygobromus behningi''
(Birstein, 1948)
*''
Stygobromus bifurcatus''
(Holsinger, 1967) 
*''
Stygobromus biggersi''
Holsinger, 1978 (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
to
Pennsylvania
Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
)
*''
Stygobromus blinni''
Wang & Holsinger, 2001
*''
Stygobromus borealis''
Holsinger, 1978 (
Vermont
Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to ...
,
New York
New York most commonly refers to:
* New York City, the most populous city in the United States, located in the state of New York
* New York (state), a state in the northeastern United States
New York may also refer to:
Film and television
* '' ...
)
*''
Stygobromus boultoni''
Wang & Holsinger, 2001
*''
Stygobromus bowmani''
(Holsinger, 1967) 
*''
Stygobromus canadensis
''Stygobromus canadensis'', the Castleguard Cave stygobromid, is a species of amphipod in the Crangonyctidae family and ''Stygobromus'' genus. It is endemic to Castleguard Cave in Alberta, Canada. It was first described by John Holsinger in 1980. ...
''
Holsinger, 1980
*''
Stygobromus carolinensis''
Holsinger, 1978 (
North Carolina
North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and So ...
)
*''
Stygobromus chamberlaini''
Ellis, 1941
*''
Stygobromus cherylae''
Wang & Holsinger, 2001
*''
Stygobromus clantoni''
(Creaser, 1934) 
*''
Stygobromus coeca''
(Dobraenu & Manolache, 1951)
*''
Stygobromus coloradensis''
Ward, 1977
*''
Stygobromus conradi''
(Holsinger, 1967) 
(
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus cooperi''
(Holsinger, 1967) 
(
West Virginia
West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the Bur ...
)
*''
Stygobromus cowani''
Wang & Holsinger, 2001
*''
Stygobromus culveri''
Holsinger, 1978 (
West Virginia
West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the Bur ...
)
*''
Stygobromus cumberlandus''
Holsinger, 1978 (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus curroae''
Wang & Holsinger, 2001
*''
Stygobromus dejectus
''Stygobromus dejectus'', commonly called Cascade Cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to Texas in the United States.
See also
* Cascade Caverns
Cascade Caverns is a historically, geolog ...
''
(Holsinger, 1967) 
*''
Stygobromus dentata''
(Hubricht, 1943)
*''
Stygobromus dershavini''
(Behning, 1928)
*''
Stygobromus dicksoni''
Holsinger, 1978 (
Alabama
(We dare defend our rights)
, anthem = "Alabama (state song), Alabama"
, image_map = Alabama in United States.svg
, seat = Montgomery, Alabama, Montgomery
, LargestCity = Huntsville, Alabama, Huntsville
, LargestCounty = Baldwin County, Al ...
,
Georgia)
*''
Stygobromus donensis''
(Martynov, 1919)
*''
Stygobromus duplus''
Wang & Holsinger, 2001
*''
Stygobromus elatus''
(Holsinger, 1967) 
*''
Stygobromus elliotti''
Holsinger, 1974
*''
Stygobromus emarginatus''
(Hubricht, 1943) 
(
Maryland
Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...
,
West Virginia
West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the Bur ...
)
*''
Stygobromus ephemerus''
(Holsinger, 1969) 
(
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus estesi''
Holsinger, 1978 (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus exilis''
Hubricht, 1943
*''
Stygobromus fecundus''
Holsinger, 1978 (
Tennessee
Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to th ...
)
*''
Stygobromus fergusoni''
Holsinger, 1978 (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus finleyi''
Holsinger, 1978 (
Tennessee
Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to th ...
)
*''
Stygobromus flagellatus''
(J. E. Benedict, 1896) 
*''
Stygobromus fontinalis''
Wang & Holsinger, 2001
*''
Stygobromus franzi''
Holsinger, 1978 (
Maryland
Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...
)
*''
Stygobromus gallawayae''
Wang & Holsinger, 2001
*''
Stygobromus glacialis''
Wang & Holsinger, 2001
*''
Stygobromus gracilipes''
(Holsinger, 1967) (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
to
Pennsylvania
Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
)
*''
Stygobromus gradyi''
Holsinger, 1974 
*''
Stygobromus grahami''
Holsinger, 1974
*''
Stygobromus grandis''
Holsinger, 1978 (
Georgia)
*''
Stygobromus hadenoecus''
(Holsinger, 1966) 
*''
Stygobromus harai''
Holsinger, 1974 
*''
Stygobromus hayi''
(Hubricht & Mackin, 1940) 
(
District of Columbia
)
, image_skyline =
, image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...
)
*''
Stygobromus herbsti''
Wang & Holsinger, 2001
*''
Stygobromus heteropodus''
Hubricht, 1943 
*''
Stygobromus hoffmani''
Holsinger, 1978 (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus holsingeri''
Ward, 1977
*''
Stygobromus hubbardi''
Holsinger, 2009
*''
Stygobromus hubbsi''
Shoemaker, 1942 
*''
Stygobromus hyporheicus''
Wang & Holsinger, 2001
*''
Stygobromus hyrcana''
(Dershavin, 1939)
*''
Stygobromus idahoensis''
Wang & Holsinger, 2001
*''
Stygobromus imperialis''
Wang & Holsinger, 2001
*''
Stygobromus indentatus''
(Holsinger, 1967) 
(
North Carolina
North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and So ...
,
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus inexpectatus''
Holsinger, 1978 (
Alabama
(We dare defend our rights)
, anthem = "Alabama (state song), Alabama"
, image_map = Alabama in United States.svg
, seat = Montgomery, Alabama, Montgomery
, LargestCity = Huntsville, Alabama, Huntsville
, LargestCounty = Baldwin County, Al ...
)
*''
Stygobromus interitus''
Holsinger, 1978 (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus intermedia''
(Dobreanu, Manolache & Piascariu, 1952)
*''
Stygobromus interstitialis''
Wang & Holsinger, 2001
*''
Stygobromus iowae''
Hubricht, 1943
*''
Stygobromus jakutana''
(Martynov, 1931)
*''
Stygobromus jemezensis''
Wang & Holsinger, 2001
*''
Stygobromus johanseni''
(Shoemaker, 1920)
*''
Stygobromus kazakhstanica''
Kulkina, 1992
*''
Stygobromus kenki
''Stygobromus kenki'' is a rare species of Amphipoda, amphipod, a crustacean. Its common names include Kenk's amphipod, Rock Creek groundwater amphipod, and Rock Creek stygobromid.
This species lives only in Washington, D.C., the Calvert Formati ...
''
Holsinger, 1978 (
District of Columbia
)
, image_skyline =
, image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...
,
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus lacicolus''
Holsinger, 1974
*''
Stygobromus lanensis''
Wang & Holsinger, 2001
*''
Stygobromus latus''
Wang & Holsinger, 2001
*''
Stygobromus leensis''
Holsinger, 1978 (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus lepida''
(Mateus & Mateus, 1991)
*''
Stygobromus levanidovae''
(G. Karaman, 1991)
*''
Stygobromus limbus''
Wang & Holsinger, 2001
*''
Stygobromus longidactylus''
(S. Karaman, 1929)
*''
Stygobromus longipes''
(Holsinger, 1966) 
*''
Stygobromus lucifugus''
(Hay, 1882) 
*''
Stygobromus mackenziei''
Holsinger, 1974 
*''
Stygobromus mackini''
Hubricht, 1943 (
Tennessee
Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to th ...
to
West Virginia
West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the Bur ...
)
*''
Stygobromus meschtscherica''
(Borutsky, 1929)
*''
Stygobromus mikhaili''
Sidorov, Holsinger et Takhteev, 2010 (
Russia
Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
)
*''
Stygobromus minutus''
Holsinger, 1978 (
Georgia)
*''
Stygobromus montanensis''
Holsinger, 1974
*''
Stygobromus montanus''
(Holsinger, 1967) 
*''
Stygobromus morrisoni''
(Holsinger, 1967) 
(
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
,
West Virginia
West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the Bur ...
)
*''
Stygobromus mundus''
(Holsinger, 1967) 
(
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus myersae''
Wang & Holsinger, 2001
*''
Stygobromus mysticus''
Holsinger, 1974
*''
Stygobromus nanus''
Holsinger, 1978 (
West Virginia
West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the Bur ...
)
*''
Stygobromus nortoni''
(Holsinger, 1969) 
*''
Stygobromus obrutus''
Holsinger, 1978 (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus obscurus''
Holsinger, 1974
*''
Stygobromus onondagaensis
''Stygobromus onondagaensis'', commonly called Onondaga Cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is native to Arkansas, Kansas, Missouri and Oklahoma in the United States.
See also
*Onondaga Cave State Pa ...
''
(Hubricht & Mackin, 1940) 
*''
Stygobromus oregonensis''
Holsinger, 1974
*''
Stygobromus ozarkensis
''Stygobromus'' is a genus of Amphipoda, amphipod crustaceans that live in subterranean habitats. As well as a large number of species in North America, a smaller number of species are also known from Eurasia. Most of the North American species l ...
''
(Holsinger, 1967) 
*''
Stygobromus parvus''
(Holsinger, 1969) 
(
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus pecki
''Stygobromus pecki'', the Peck's cave amphipod, is a rare species of crustacean found in four cavern areas of southwestern Texas (Comal Springs, Hueco Springs, Landa Park, and Panther Canyon) in the United States. It is a federally listed endang ...
''
(Holsinger, 1967) 
*''
Stygobromus pennaki''
Ward, 1977
*''
Stygobromus philareti''
(Birstein, 1948)
*''
Stygobromus phreaticus''
Holsinger, 1978 (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus pizzinii''
(Shoemaker, 1938) 
(
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
to
Pennsylvania
Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
)
*''
Stygobromus pollostus''
Holsinger, 1978 (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus pseudospinosus''
Holsinger, 1978 (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus pusillus''
(Martynov, 1930) (
Russia
Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
)
*''
Stygobromus putealis''
(Holmes, 1909) 
*''
Stygobromus puteanus''
Holsinger, 1974
*''
Stygobromus quatsinensis''
Holsinger & Shaw, 1987
*''
Stygobromus rallus''
Wang & Holsinger, 2001
*''
Stygobromus redactus''
Holsinger, 1978 (
West Virginia
West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the Bur ...
)
*''
Stygobromus reddelli''
(Holsinger, 1966) 
*''
Stygobromus rudolphi''
Wang & Holsinger, 2001
*''
Stygobromus russelli''
(Holsinger, 1967)
*''
Stygobromus saltuaris''
Wang & Holsinger, 2001
*''
Stygobromus secundus''
Bousfield & Holsinger, 1981
*''
Stygobromus sheldoni''
Holsinger, 1974
*''
Stygobromus sierrensis''
Holsinger, 1974
*''
Stygobromus simplex''
Wang & Holsinger, 2001
*''
Stygobromus smithi''
Hubricht, 1943 
*''
Stygobromus sparsus''
Holsinger, 1978 (
Tennessee
Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to th ...
)
*''
Stygobromus spinatus''
(Holsinger, 1967) 
(
West Virginia
West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the Bur ...
)
*''
Stygobromus spinosus''
(Hubricht & Mackin, 1940) (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus stadukhini''
(Derzhavin, 1930)
*''
Stygobromus stegerorum''
Holsinger, 1978 (
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
)
*''
Stygobromus stellmacki''
(Holsinger, 1967) 
(
Pennsylvania
Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
)
*''
Stygobromus subtilis
''Stygobromus subtilis'', commonly called the subtle cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is native to Illinois, Michigan and Missouri
Missouri is a U.S. state, state in the Midwestern United S ...
''
(Hubricht, 1943) 
*''
Stygobromus tahoensis''
Holsinger, 1974
*''
Stygobromus tenuis''
(S. I. Smith, 1874) (
Connecticut
Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south. Its cap ...
to
Maryland
Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...
)
*''
Stygobromus trinus''
Wang & Holsinger, 2001
*''
Stygobromus tritus''
Holsinger, 1974
*''
Stygobromus urospinatus''
Wang & Holsinger, 2001
*''
Stygobromus utahensis''
Wang & Holsinger, 2001
*''
Stygobromus vitreus''
Cope, 1872
*''
Stygobromus wachuschtii''
(Behning, 1940)
*''
Stygobromus wahkeenensis''
Wang & Holsinger, 2001
*''
Stygobromus wardi''
Wang & Holsinger, 2001
*''
Stygobromus wengerorum''
Holsinger, 1974 
References
{{Taxonbar, from=Q10682522
Gammaridea
Freshwater crustaceans of North America
Crustacean genera
Taxonomy articles created by Polbot
Taxa named by Edward Drinker Cope