| Sphaerolana | |
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| Genus: | Sphaerolana Cole & Minckley, 1970 |
| Type species | |
| Sphaerolana interstitialis Cole & Minckley, 1970 | |
Sphaerolana is a genus of isopod crustaceans in the family Cirolanidae, all of which are endemic to Mexico. The genus Sphaerolana contains the following species: [1] All three species are on the IUCN Red List as either vulnerable species (VU) or endangered species (EN).
Anaspididae is a family of freshwater crustacean that is endemic to Tasmania, Australia. The family contains 3 genera and 5 species. This group of crustaceans are considered living fossils. They are commonly and collectively known as the Tasmanian anaspid crustaceans. Anaspidids have stalked eyes, long antennae and antennules, and a slender body with no carapace. The two species of Allanaspides and the single species of Paranaspides are all listed as vulnerable on the IUCN Red List.
Antrolana lira is a species of crustacean in family Cirolanidae, the only species in the genus Antrolana. It is an unpigmented troglobite with no eyes, reaching a maximum length of 0.7 inches (18 mm).
Arubolana imula is a species of crustacean in the family Cirolanidae, endemic to Aruba. It was described in 1979 by Lazare Botosaneanu and Jan Hendrik Stock.
Arubolana aruboides is a species of crustacean in the family Cirolanidae. It is endemic to Bermuda.
Branchinecta is a genus of crustacean in family Branchinectidae. It includes around 50 species, found on all continents except Africa and Australia. Branchinecta gigas, the giant fairy shrimp, is the largest species in the order, with a length of up to 10 centimetres (4 in), and Branchinecta brushi lives at the highest altitude of any crustacean, at 5,930 metres (19,460 ft), a record it shares with the copepod Boeckella palustris. A new genus, Archaebranchinecta was established in 2011 for two species previously placed in Branchinecta.
Branchinella apophysata is a species of crustacean in the family Thamnocephalidae. It is endemic to Australia, where it is known only from its type locality, a shallow pool on Mount Margaret, near Laverton, Western Australia. It is most closely related to other Australian species, including B. affinis, B. denticulata, B. latzi, B. longirostris and B. probiscida.
Branchinella lithaca, the Stone Mountain fairy shrimp, is a species of crustacean in the family Thamnocephalidae. It was collected on Stone Mountain, De Kalb County, Georgia in 1940, and has not been seen since. It is listed as Critically Endangered on the IUCN Red List.
Caecidotea nickajackensis is an extinct species of isopod crustacean in the family Asellidae. It was endemic to a single cave in Tennessee, and was thought to have been exterminated when that cave was flooded in 1967 by the building of the Nickajack Dam.
Echinodillo is a genus of woodlice in the family Armadillidae. It contains two species.
Lirceus is a genus of isopod crustaceans in the family Asellidae that live in southern Canada and the eastern United States as far west as the Great Plains. Of the 15 species in the genus, two are listed as either endangered (EN) or vulnerable (VU) on the IUCN Red List.
Mexilana saluposi is a species of crustacean in the family Cirolanidae, the only species in the genus Mexilana. It is endemic to Mexico.
Mexistenasellus is a genus of isopod crustaceans in the family Stenasellidae. It contains 6 species, of which 4 are listed as endangered or vulnerable on the IUCN Red List.
Monolistra is a genus of isopod crustaceans in the family Sphaeromatidae. Its members are restricted to countries of the former Yugoslavia and neighbouring Italy. It contains the following subgenera and species, four of which are listed as vulnerable (VU) or endangered (EN) on the IUCN Red List:
Newnhamia is a genus of ostracods. It contains five species, four of which are endemic to Australia and surrounding islands, while a fifth was described in 2003 from Kerala, India. Two species from South America, described as species of Newnhamia, do not appear to be closely related to the remaining species, and probably belong in a different genus. N. fuscata and N. insolita are both listed as vulnerable species on the IUCN Red List.
Onchotelson is a genus of isopod crustaceans in the family Phreatoicidae, which is endemic to Tasmania. It contains two species, both of which are listed as vulnerable on the IUCN Red List:
Parapinnixa affinis, the California Bay pea crab, is a species of pinnotherid crab endemic to Southern California. It is a small crab that lives commensally in the tube of a tube-dwelling worm. It was one of the first marine crustaceans to be included on the IUCN Red List in 1996.
Streptocephalus kargesi is a species of crustacean in the family Streptocephalidae. It is endemic to Mexico.
Thermosphaeroma is a genus of crustacean in family Sphaeromatidae. They occur exclusively in hot springs of southwestern United States and central Mexico.
Thermosphaeroma thermophilum, commonly known as the Socorro isopod or Socorro sowbug, is a crustacean in the family Sphaeromatidae. It was endemic to the thermal water of Sedillo Spring located in Socorro County in the state of New Mexico, United States.
Zonocypretta kalimna is a species of ostracod crustacean in the family Cyprididae. It is endemic to Australia.
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