''Potamalpheops'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

shrimp A shrimp (: shrimp (American English, US) or shrimps (British English, UK)) is a crustacean with an elongated body and a primarily Aquatic locomotion, swimming mode of locomotion – typically Decapods belonging to the Caridea or Dendrobranchi ...

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Alpheidae Alpheidae (also known as the snapping shrimp, pistol shrimp or alpheid shrimp) is a family (biology), family within the shrimp infraorder Caridea characterized by having asymmetrical claws, the larger of which is typically capable of producing a ...

. It was originally erected by Powell in 1979 to house species from Africa. Later, Horton H. Hobbs, Jr. realised that the troglobitic shrimp he had described in 1973 from

Oaxaca Oaxaca, officially the Free and Sovereign State of Oaxaca, is one of the 32 states that compose the political divisions of Mexico, Federative Entities of the Mexico, United Mexican States. It is divided into municipalities of Oaxaca, 570 munici ...

, Mexico as ''Alpheopsis stygicola'', also belonged to the genus, and in 1991, A. J. Bruce described a new species from Australia, further expanding the genus' geographical range. It is now thought to represent a

relict A relict is a surviving remnant of a natural phenomenon. Biology A relict (or relic) is an organism that at an earlier time was abundant in a large area but now occurs at only one or a few small areas. Geology and geomorphology In geology, a r ...

taxon from the

Tethys Sea The Tethys Ocean ( ; ), also called the Tethys Sea or the Neo-Tethys, was a prehistoric ocean during much of the Mesozoic Era and early-mid Cenozoic Era. It was the predecessor to the modern Indian Ocean, the Mediterranean Sea, and the Eurasia ...

. The following species are currently accepted as valid: *'' Potamalpheops amnicus'' *'' Potamalpheops darwiniensis'' *'' Potamalpheops galle'' *''

Potamalpheops hanleyi ''Potamalpheops'' is a genus of shrimp in the family Alpheidae. It was originally erected by Powell in 1979 to house species from Africa. Later, Horton H. Hobbs, Jr. realised that the troglobitic shrimp he had described in 1973 from Oaxaca, Mex ...

'' *'' Potamalpheops haugi'' *'' Potamalpheops johnsoni'' *''

Potamalpheops kisi ''Potamalpheops'' is a genus of shrimp in the family Alpheidae. It was originally erected by Powell in 1979 to house species from Africa. Later, Horton H. Hobbs, Jr. realised that the troglobitic shrimp he had described in 1973 from Oaxaca, Mex ...

'' *''

Potamalpheops miyai ''Potamalpheops'' is a genus of shrimp in the family Alpheidae. It was originally erected by Powell in 1979 to house species from Africa. Later, Horton H. Hobbs, Jr. realised that the troglobitic shrimp he had described in 1973 from Oaxaca, Mex ...

'' *''

Potamalpheops monodi ''Potamalpheops'' is a genus of shrimp in the family Alpheidae. It was originally erected by Powell in 1979 to house species from Africa. Later, Horton H. Hobbs, Jr. realised that the troglobitic shrimp he had described in 1973 from Oaxaca, Mex ...

'' *''

Potamalpheops nazgul ''Potamalpheops'' is a genus of shrimp in the family Alpheidae. It was originally erected by Powell in 1979 to house species from Africa. Later, Horton H. Hobbs, Jr. realised that the troglobitic shrimp he had described in 1973 from Oaxaca, Mex ...

'' *''

Potamalpheops palawensis ''Potamalpheops'' is a genus of shrimp in the family Alpheidae. It was originally erected by Powell in 1979 to house species from Africa. Later, Horton H. Hobbs, Jr. realised that the troglobitic shrimp he had described in 1973 from Oaxaca, Mex ...

'' *''

Potamalpheops pininsulae ''Potamalpheops'' is a genus of shrimp in the family Alpheidae. It was originally erected by Powell in 1979 to house species from Africa. Later, Horton H. Hobbs, Jr. realised that the troglobitic shrimp he had described in 1973 from Oaxaca, Mex ...

'' *''

Potamalpheops pylorus ''Potamalpheops'' is a genus of shrimp in the family Alpheidae. It was originally erected by Powell in 1979 to house species from Africa. Later, Horton H. Hobbs, Jr. realised that the troglobitic shrimp he had described in 1973 from Oaxaca, Mex ...

'' *''

Potamalpheops stygicola ''Potamalpheops'' is a genus of shrimp in the family Alpheidae. It was originally erected by Powell in 1979 to house species from Africa. Later, Horton H. Hobbs, Jr. realised that the troglobitic shrimp he had described in 1973 from Oaxaca, Mex ...

'' *''

Potamalpheops tigger ''Potamalpheops'' is a genus of shrimp in the family Alpheidae. It was originally erected by Powell in 1979 to house species from Africa. Later, Horton H. Hobbs, Jr. realised that the troglobitic shrimp he had described in 1973 from Oaxaca, Mex ...

'' *''

Potamalpheops tyrymembe ''Potamalpheops'' is a genus of Caridea, shrimp in the family (biology), family Alpheidae. It was originally erected by Powell in 1979 to house species from Africa. Later, Horton H. Hobbs, Jr. realised that the troglobite, troglobitic shrimp he h ...

References

{{Taxonbar, from=Q7234610 Alpheidae Decapod genera