| Stygobromus gradyi | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Crustacea |
| Class: | Malacostraca |
| Superorder: | Peracarida |
| Order: | Amphipoda |
| Family: | Crangonyctidae |
| Genus: | Stygobromus |
| Species: | S. gradyi |
| Binomial name | |
| Stygobromus gradyi Holsinger, 1974 | |
Stygobromus gradyi, commonly called Grady's cave amphipod, [1] [2] is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to California [2] in the United States.
Stygobromus araeus, the Tidewater interstitial amphipod, is a phreatobite species of amphipod in family Crangonyctidae. It is native to Virginia and North Carolina in the United States.
Stygobromus is a genus of amphipod crustaceans that live in subterranean habitats. The majority of the listed species are endemic to North America, a smaller number of species are also known from Eurasia. Most of the North American species live in areas which were not covered by the Laurentide Ice Sheet, although a few species seem to have survived under the ice. A number of species are on the IUCN Red List as endangered species (EN) or vulnerable species (VU); one species, S. lucifugus, is extinct.
Stygobromus arizonensis, the Arizona cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to Arizona in the United States.
Stygobromus balconis, the Balcones cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to Texas in the United States.
Stygobromus barri, commonly called Barr's cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to Missouri in the United States.
Stygobromus bifurcatus, the bifurcated cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to Texas in the United States.
Stygobromus bowmani, commonly called Bowman's cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to Oklahoma in the United States.
Stygobromus clantoni, commonly called Clanton's cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is native to Kansas and Missouri in the United States.
Stygobromus conradi, commonly called Burnsville Cove cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to Virginia in the United States.
Stygobromus cooperi, commonly called Cooper's cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to a single cave, Silers cave in Berkeley County, West Virginia in the United States.
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.
Stygobromus elatus, commonly called elevated spring amphipod, is a phreatobite species of amphipod in family Crangonyctidae. It is endemic to Arkansas in the United States.
Stygobromus emarginatus, commonly called Greenbrier cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is native to Maryland and West Virginia in the United States.
Stygobromus ephemerus, commonly called ephemeral cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to Virginia in the United States.
Stygobromus flagellatus, commonly called Ezell's Cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to Texas in the United States.
Stygobromus hadenoecus, commonly called Devil's Sinkhole amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to Texas in the United States.
Stygobromus harai, commonly called Hara's cave amphipod, is a troglomorphic species of amphipod in family Crangonyctidae. It is endemic to Tuolumne County, California in the United States.
Stygobromus hayi is a rare species of crustacean known by the common name Hay's spring amphipod. It is endemic to the District of Columbia in the United States, where it occurs only in Rock Creek, a tributary of the Potomac River. It is a federally listed endangered species, is listed as Endangered on the IUCN Red List, and as Critically Imperiled by NatureServe.
Stygobromus lucifugus, the rubious cave amphipod is an extinct species of amphipod crustacean in the family Crangonyctidae. It was first described by Oliver Perry Hay who found it living in a well near Abingdon, Knox County, Illinois, United States, and it was endemic to that state.
Stygobromus pecki, the Peck's cave amphipod, is a rare species of crustacean found in four cavern areas of southwestern Texas in the United States. It is a federally listed endangered species in the United States and is also listed as Endangered on the IUCN Red List. Because of the species' limited geographical distribution, not much information on S. pecki is known. As of April 2022, there is no available 5-year review, Species Status Assessment, or recovery plan for the species. However, the Edwards' Aquifer Habitat Conservation Program (EAHCP), with the support of the U.S. Fish and Wildlife Service (UFWS), has been attempting to further study and promote conservation of S. pecki.
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