''Typhlatya'' is a genus of

shrimp Shrimp are crustaceans (a form of shellfish) with elongated bodies and a primarily swimming mode of locomotion – most commonly Caridea and Dendrobranchiata of the decapod order, although some crustaceans outside of this order are refer ...

in the family Atyidae. These are small, stygobitic shrimp found in the West Mediterranean region (France and Spain), Caribbean region (the Antilles, Bahamas and Yucatán),

Ascension Island Ascension Island is an isolated volcanic island, 7°56′ south of the Equator in the South Atlantic Ocean. It is about from the coast of Africa and from the coast of South America. It is governed as part of the British Overseas Territory o ...

and the Galápagos, although the individual species often have very small ranges. Species in this genus are found in salt, brackish and fresh waters, mostly in

anchialine An anchialine system (, from Greek ''ankhialos'', "near the sea") is a landlocked body of water with a subterranean connection to the ocean. Depending on its formation, these systems can exist in one of two primary forms: pools or caves. The primary ...

habitats and none in the open sea.

Taxonomy, species and conservation

There are currently 17 recognized species, of which one is listed by the

IUCN The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...

as critically endangered (marked "CR" below), and six are considered

vulnerable Vulnerable may refer to: General * Vulnerability * Vulnerability (computing) * Vulnerable adult * Vulnerable species Music Albums * ''Vulnerable'' (Marvin Gaye album), 1997 * ''Vulnerable'' (Tricky album), 2003 * ''Vulnerable'' (The Used album) ...

(marked "VU"). Phylogenetic studies indicate that the genus as presently defined is

paraphyletic In taxonomy (general), taxonomy, a group is paraphyletic if it consists of the group's most recent common ancestor, last common ancestor and most of its descendants, excluding a few Monophyly, monophyletic subgroups. The group is said to be pa ...

and needs to be redefined, as ''T. galapagensis'' clusters with the widespread '' Antecaridina'' and ''T. monae'' likely with the Australian ''

Stygiocaris ''Stygiocaris'' is a genus of shrimp from caves in the North West Cape and Barrow Island (Western Australia), Barrow Island, Western Australia. ''Stygiocaris'' is highly troglobite, troglobitic, being transparency and translucency, transparent, ...

''. On a higher level, these three genera, together with '' Halocaridina'' and '' Halocaridinides'', form a group. In addition to the species below, ''"Typhlatya" jusbaschjani'' (Georgia) and ''"Typhlatya" pretneri'' (Hercegovina) have been listed in this genus, but the former is a ''

species inquirenda In biological classification, a ''species inquirenda'' is a species of doubtful identity requiring further investigation. The use of the term in English-language biological literature dates back to at least the early nineteenth century. The term t ...

'' and recent authorities generally include the latter in '' Troglocaris''. *''

Typhlatya arfeae ''Typhlatya'' is a genus of shrimp in the family Atyidae. These are small, stygobitic shrimp found in the West Mediterranean region (France and Spain), Caribbean region (the Antilles, Bahamas and Yucatán), Ascension Island and the Galápagos ...

'' Jaume & Bréhier, 2005 – France *'' Typhlatya campecheae'' H. H. Hobbs III & H. H. Hobbs Jr., 1976 – Yucatán Peninsula *'' Typhlatya consobrina'' Botoşăneanu & Holthuis, 1970 – Cuba Status iucn VU icon

*''

Typhlatya dzilamensis ''Typhlatya'' is a genus of shrimp in the family Atyidae. These are small, stygobitic shrimp found in the West Mediterranean region (France and Spain), Caribbean region (the Antilles, Bahamas and Yucatán), Ascension Island and the Galápagos ...

'' Alvarez, Iliffe & Villalobos, 2005 – Yucatán Peninsula *''

Typhlatya elenae ''Typhlatya'' is a genus of shrimp in the family Atyidae. These are small, stygobitic shrimp found in the West Mediterranean region (France and Spain), Caribbean region (the Antilles, Bahamas and Yucatán), Ascension Island and the Galápagos ...

'' Juarrero, 1994 – Cuba Status iucn VU icon

*'' Typhlatya galapagensis'' Monod & Cals, 1970 – Galápagos Islands *'' Typhlatya garciadebrasi'' Juarrero de Varona & Ortiz, 2000 – Cuba Status iucn VU icon

*''

Typhlatya garciai ''Typhlatya'' is a genus of shrimp in the family Atyidae. These are small, stygobitic shrimp found in the West Mediterranean region (France and Spain), Caribbean region (the Antilles, Bahamas and Yucatán), Ascension Island and the Galápagos ...

'' Chace, 1942 – Cuba and possibly Caicos Island Status iucn VU icon

*'' Typhlatya iliffei'' C. W. J. Hart & Manning, 1981 – Bermuda Status iucn CR icon

*'' Typhlatya kakuki'' Alvarez, Iliffe & Villalobos, 2005 – Bahamas *'' Typhlatya miravetensis'' Sanz & Platvoet, 1995 – Spain Status iucn VU icon

*'' Typhlatya mitchelli'' H. H. Hobbs III & H. H. Hobbs Jr., 1976 – Yucatán Peninsula *''

Typhlatya monae ''Typhlatya monae'' is a species of basket shrimp in the family Atyidae. It is found in the Caribbean and Africa. The IUCN conservation status of ''Typhlatya monae'' is "LC", least concern, with no immediate threat to the species' survival. The ...

'' Chace, 1954 – widely across Caribbean islands *'' Typhlatya pearsei'' Creaser, 1936 – Yucatán Peninsula *''

Typhlatya rogersi ''Typhlatya rogersi'' is a species of basket shrimp in the family Atyidae. It is found in South America and Africa. References Further reading * Atyidae Articles created by Qbugbot Crustaceans described in 1972 {{Caridea-stub ...

'' Chace & Manning, 1972 – Ascension Island *''

Typhlatya taina ''Typhlatya'' is a genus of Caridea, shrimp in the family Atyidae. These are small, Stygofauna, stygobitic shrimp found in the West Mediterranean region (France and Spain), Caribbean region (the Antilles, Bahamas and Yucatán Peninsula, Yucatán ...

'' Estrada & Gómez, 1987 – Cuba Status iucn VU icon

*'' Typhlatya utilaensis'' Alvarez, Iliffe & Villalobos, 2005 – Utila Island