Stenothyridae is a family of small

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, snails with gills and 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 ...

mollusks in the superfamily Truncatelloidea. This family has no subfamilies.

Distribution

There are known about 60 freshwater species of Stenothyridae in the

Palearctic The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa. The realm consists of several bioregions: the Euro-Sibe ...

(6 species),

Oriental The Orient is a term for the East in relation to Europe, traditionally comprising anything belonging to the Eastern world. It is the antonym of ''Occident'', the Western World. In English, it is largely a metonym for, and coterminous with, the ...

(about 60 species) and Australasian region (about 5 species)Strong E. E., Gargominy O., Ponder W. F. & Bouchet P. (2008). "Global Diversity of Gastropods (Gastropoda; Mollusca) in Freshwater". ''

Hydrobiologia ''Hydrobiologia'', ''The International Journal of Aquatic Sciences'', is a peer-reviewed scientific journal publishing 21 issues per year, for a total of well over 4000 pages per year. ''Hydrobiologia'' publishes original research, reviews and opi ...

'' 595: 149-166. . and some marine. There are 19 endemic species of Stenothyridae in the Lower Mekong River flowing through Thailand,

Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist ...

and Cambodia.

Description

American malacologist George Washington Tryon firstly defined this taxon as Stenothyrinæ in 1866. Tryon's diagnosis reads as follows: Currently the genus ''Gabbia'' is classified within the family

Bithyniidae Bithyniidae is a family of small freshwater snails with an operculum, aquatic gastropod molluscs in the clade Littorinimorpha.Bouchet, P.; Gofas, S. (2015). Bithyniidae Gray, 1857. In: MolluscaBase (2015). Accessed through: World Register of Ma ...

Genera

Genera within the family Stenothyridae include: * '' Farsithyra'' Glöer & Pešić, 2009 * '' Gangetia'' Ancey, 1890"Stenothyridae".
The Taxonomicon, last update 21 March 2011, accessed 23 July 2011. * ''

Stenothyra ''Stenothyra'' is a genus of freshwater snails which have a gill and an operculum, aquatic gastropod mollusks in the family Stenothyridae.Bouchet, P. (2014). Stenothyra Benson, 1856. Accessed through: World Register of Marine Species at http:// ...

'' Benson, 1856 - type genus of the family Stenothyridae

Ecology

The habitat of Stenothyridae include rivers, streams and estuaries. Stenothyridae invaded freshwater habitats from marine ones in at least one independent lineage. Some species of Stenothyridae are

euryhaline Euryhaline organisms are able to adapt to a wide range of salinities. An example of a euryhaline fish is the molly (''Poecilia sphenops'') which can live in fresh water, brackish water, or salt water. The green crab (''Carcinus maenas'') is an e ...

and/or marine. Probably there are some

amphidromous Fish migration is mass relocation by fish from one area or body of water to another. Many types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over distances ranging from a few metres to thousan ...

(migrate from freshwater to the sea) species of Stenothyridae.

References

This article incorporates public domain text from the reference

External links

* {{Taxonbar, from=Q7607910