''Potamopyrgus'' is a genus of minute

freshwater snail Freshwater snails are gastropod mollusks which live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs ...

s with an operculum, aquatic

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

s or

micromollusc A micromollusk is a shelled mollusk which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine mollusks, although in addition, numerous species of land snails and freshwater mollusks also r ...

s in the family Tateidae.Bouchet, P.; Rosenberg, G. (2014); Criscione and Ponder 2013. ''Potamopyrgus'' Stimpson, 1865. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=147122 on 2014-07-29

Description

Stimpson (1865) described the genus as follows: “Shell ovate-conic, imperforate; apex acute; whorls coronated with spines; outer whorl nearly two-thirds the length of the shell; aperture ovate, outer lip acute. Operculum corneous, subspiral. Foot rather short for the length of the shell, broadest in front and strongly auriculated. Tentacles very long, slender, and tapering. Eyes on very prominent tubercles. Rostrum of moderate size.”

Distribution

This genus is endemic to New Zealand and south eastern

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

. However, one species within this genus, ''P. antipodarum'', has been accidentally introduced in many countries worldwide, especially in Europe and

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 ...

, and has become a problematic

invasive species An invasive species otherwise known as an alien is an introduced organism that becomes overpopulated and harms its new environment. Although most introduced species are neutral or beneficial with respect to other species, invasive species ad ...

Species

Species within the genus ''Potamopyrgus'' include: * ''

Potamopyrgus acus ''Potamopyrgus acus'' is a critically endangered species of fresh water snail native to New Zealand. Habitat This snail has been found in only one location in a gully, on a very small and steep limestone bank, at Limestone Downs Station in the ...

'' Haase, 2008 * '' Potamopyrgus alexenkoae'' Anistratenko in Anistratenko & Stadnichenko, 1995 * ''

Potamopyrgus antipodarum The New Zealand mud snail (''Potamopyrgus antipodarum'') is a species of very small freshwater snail with a gill and an operculum. This aquatic gastropod mollusk is in the family Tateidae. It is native to New Zealand, where it is found through ...

'' J. E. Gray, 1843 - (syn. ''

Potamopyrgus jenkinsi The New Zealand mud snail (''Potamopyrgus antipodarum'') is a species of very small freshwater snail with a gill and an operculum. This aquatic gastropod mollusk is in the family Tateidae. It is native to New Zealand, where it is found th ...

'') * ''

Potamopyrgus ciliatus ''Potamopyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Tateidae.Bouchet, P.; Rosenberg, G. (2014); Criscione and Ponder 2013. ''Potamopyrgus'' Stimpson, 1865. Acce ...

'' (Gould, 1850) * '' Potamopyrgus corolla'' ( Gould 1852Stimpson 1865) (Type species) * ''

Potamopyrgus dawbini ''Potamopyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Tateidae.Bouchet, P.; Rosenberg, G. (2014); Criscione and Ponder 2013. ''Potamopyrgus'' Stimpson, 1865. Acce ...

Powell Powell may refer to: People * Powell (surname) * Powell (given name) * Powell baronets, several baronetcies *Colonel Powell (disambiguation), several military officers *General Powell (disambiguation), several military leaders *Governor Powell (di ...

, 1955 * '' Potamopyrgus doci'' Haase, 2008 * ''

Potamopyrgus estuarinus ''Potamopyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Tateidae.Bouchet, P.; Rosenberg, G. (2014); Criscione and Ponder 2013. ''Potamopyrgus'' Stimpson, 1865. Acce ...

'' Winterbourn, 1970 * ''

Potamopyrgus kaitunaparaoa ''Potamopyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Tateidae.Bouchet, P.; Rosenberg, G. (2014); Criscione and Ponder 2013. ''Potamopyrgus'' Stimpson, 1865. Acce ...

'' Haase, 2008 * ''

Potamopyrgus melvilli ''Potamopyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Tateidae.Bouchet, P.; Rosenberg, G. (2014); Criscione and Ponder 2013. ''Potamopyrgus'' Stimpson, 1865. Acce ...

'' Hedley, 1916 * ''

Potamopyrgus oppidanus ''Potamopyrgus oppidanus'' is a species of freshwater gastropod mollusk in the family Tateidae. It is endemic to New Zealand where it is found only in one area in the town belt of Wellington. Taxonomy This species was first described by Marti ...

'' Haase, 2008 * '' Potamopyrgus oscitans'' Iredale, 1944 * '' Potamopyrgus polistchuki'' Anistratenko, 1991 * '' Potamopyrgus pupoides'' Hutton, 1882 * '' Potamopyrgus troglodytes'' Climo, 1974 ;Species brought into synonymy: * ''Potamopyrgus amazonicus'' Haas, 1949: synonym of '' Dyris amazonicus'' (Haas, 1949) * ''Potamopyrgus brevior'' Ancey, 1905: synonym of '' Fluviopupa brevior'' (Ancey, 1905) * ''Potamopyrgus cresswelli'' Climo, F. M., 1974: synonym of '' Rakiurapyrgus cresswelli'' (Climo, 1974) * ''Potamopyrgus gardneri'' Climo, 1974: synonym of '' Rakipyrgus gardneri'' (Climo, 1974) * ''Potamopyrgus jenkinsi'' E. A. Smith, 1889: synonym of ''

'' J.E. Gray, 1843 * ''Potamopyrgus manneringi'' Climo, 1974: synonym of '' Leptopyrgus manneringi'' (Climo, 1974) * ''Potamopyrgus ruppiae'' Hedley, 1912: synonym of ''

Ascorhis victoriae ''Ascorhis'' is a genus of gastropods belonging to the family Tateidae. The species of this genus are found in Australia. Species: *''Ascorhis occidua'' *''Ascorhis tasmanica ''Ascorhis'' is a genus of gastropods belonging to the family Tat ...

'' Tenison-Woods, 1878 * ''Potamopyrgus subterraneus''

Suter Suter is a surname. Notable people with the name include: * Alexis P. Suter (born 1963), American blues, and soul blues singer and songwriter * Andrew Burn Suter (1830–1895), Bishop of the Diocese of Nelson, New Zealand * August Suter (1887& ...

, 1905: synonym of '' Tongapyrgus subterraneus'' (Suter, 1905)

References

* Powell A. W. B., ''New Zealand Mollusca'', William Collins Publishers Ltd, Auckland, New Zealand 1979 Criscione, F. and W.F. Ponder. 2013. A phylogenetic analysis of rissooidean and cingulopsoidea families (Gastropoda: Caenogastropoda). Molecular Phylogenetics and Evolution 66(3):1075-1082. * Stimson, W. 1865. Diagnoses of newly discovered genera of Gasteropods, belonging to the sub-fam. Hydrobiinae, of the family Rissoidae. American Journal of Conchology 1:52-54. * Vaught, K.C. (1989). ''A classification of the living Mollusca''. American Malacologists: Melbourne, FL (USA). . XII, 195 pp Winterbourn, M. 1970. The New Zealand species of Potamopyrgus (Gastropoda, Hydrobiidae). Malacalogia 10(2):283-321 {{Taxonbar, from=Q7234655 Tateidae Gastropods of New Zealand Taxa named by William Stimpson