''Austropyrgus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

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

Hydrobiidae Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater and brackish water snails with an operculum; they are in the order Littorinimorpha. Distribution Hydrobiidae are found in much of the world, ...

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

. ''Austropyrgus''

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

are

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

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 ...

, where they are found in virtually all freshwater

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

s, from high mountain streams to isolated springs in the arid zone.

Species

With 76 recognized

, ''Austropyrgus'' is the largest genus of Australian freshwater molluscs and is the most widespread of the Australian freshwater ''Hydrobiidae'' genera. ''Austropyrgus'' species include: * ''

Austropyrgus abercrombiensis ''Austropyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the Hydrobiidae family. ''Austropyrgus'' species are endemic to Australia, where they are found in virtually all freshwat ...

'' Clark, Miller & Ponder, 2003 * ''

Austropyrgus angasi ''Austropyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the Hydrobiidae family. ''Austropyrgus'' species are endemic to Australia, where they are found in virtually all freshwat ...

'' (E. A. Smith, 1882) * ''

Austropyrgus aslini ''Austropyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the Hydrobiidae family. ''Austropyrgus'' species are endemic to Australia, where they are found in virtually all freshwat ...

'' Clark, Miller & Ponder, 2003 * ''

Austropyrgus avius ''Austropyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the Hydrobiidae family. ''Austropyrgus'' species are endemic to Australia, where they are found in virtually all freshwat ...

'' Clark, Miller & Ponder, 2003 * ''

Austropyrgus buchanensis ''Austropyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the Hydrobiidae family. ''Austropyrgus'' species are endemic to Australia, where they are found in virtually all freshwat ...

'' Clark, Miller & Ponder, 2003 * ''

Austropyrgus bullerensis ''Austropyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the Hydrobiidae family. ''Austropyrgus'' species are endemic to Australia, where they are found in virtually all freshwat ...

'' Clark, Miller & Ponder, 2003 * '' Austropyrgus bungoniensis'' Clark, Miller & Ponder, 2003 * ''

Austropyrgus colensis ''Austropyrgus colensis'' is a species of minute freshwater snail with an operculum, an aquatic gastropod mollusc or micromollusc in the Hydrobiidae family. This species is endemic to western Victoria, Australia. It is known from a single locat ...

'' Clark, Miller & Ponder, 2003 * '' Austropyrgus colludens'' Clark, Miller & Ponder, 2003 * '' Austropyrgus conicus'' Clark, Miller & Ponder, 2003 * '' Austropyrgus cooma'' (Iredale, 1943) *'' Austropyrgus dyerianus'' (Petterd, 1879) *'' Austropyrgus elongatus'' (May, 1921) *''

Austropyrgus eumekes ''Austropyrgus eumekes'' is a species of minute freshwater snail with an operculum, an aquatic gastropod mollusc or micromollusc in the Hydrobiidae family. This species is endemic to western Victoria, Australia. It is only known from several ...

'' Clark, Miller & Ponder, 2003 *'' Austropyrgus foris'' ( Ponder, Colgan, Clark, Miller & Terzis, 1994) *'' Austropyrgus grampianensis'' (Gabriel, 1939) *''

Austropyrgus halletensis ''Austropyrgus halletensis'' is a species of minute freshwater snail with an operculum, an aquatic gastropod mollusc or micromollusc in the Hydrobiidae family. This species is endemic to South Australia, Australia. It is known from a small cree ...

'' Clark, Miller & Ponder, 2003 *''

Austropyrgus nepeanensis ''Austropyrgus nepeanensis'' is a species of minute freshwater snail with an operculum (gastropod), operculum, an aquatic animal, aquatic gastropod mollusc or micromollusc in the Hydrobiidae family (biology), family. This species is Endemism, end ...

'' Clark, Miller & Ponder, 2003 *'' Austropyrgus niger'' ( Quoy &

Gaimard Joseph Paul Gaimard (31 January 1793 – 10 December 1858) was a French naval surgeon and naturalist. Biography Gaimard was born at Saint-Zacharie on January 31, 1793. He studied medicine at the naval medical school in Toulon, subsequent ...

, 1834) *'' Austropyrgus ora'' Clark, Miller & Ponder, 2003 *''

Austropyrgus parvus ''Austropyrgus parvus'' is a species of minute freshwater snail with an operculum, an aquatic gastropod mollusc or micromollusc in the Hydrobiidae family. This species is endemic to southwestern Tasmania, Australia. It is known from several loc ...

'' Clark, Miller & Ponder, 2003 *'' Austropyrgus pusillus'' Clark, Miller & Ponder, 2003 *'' Austropyrgus rectoides'' Clark, Miller & Ponder, 2003 *'' Austropyrgus ronkershawi'' Clark, Miller & Ponder, 2003 *'' Austropyrgus salvus'' Clark, Miller & Ponder, 2003 *'' Austropyrgus sinuatus'' Clark, Miller & Ponder, 2003 *'' Austropyrgus smithii'' (Petterd, 1889) *'' Austropyrgus tateiformis'' Clark, Miller & Ponder, 2003 *'' Austropyrgus tumidus'' Clark, Miller & Ponder, 2003

References

Hydrobiidae {{Hydrobiidae-stub