''Peringia'' 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 ...

of very small

snail A snail is a shelled gastropod. The name is most often applied to land snails, terrestrial molluscs, terrestrial pulmonate gastropod molluscs. However, the common name ''snail'' is also used for most of the members of the molluscan class Gas ...

s with

gill A gill () is a respiration organ, respiratory organ that many aquatic ecosystem, aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow r ...

s and an operculum,

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

s in the family

Hydrobiidae Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater and brackish water snails with an operculum, in the order Littorinimorpha.MolluscaBase eds. (2024). MolluscaBase. Hydrobiidae W. Stimpson, 1865. ...

.Gofas, S. (2014). Peringia Paladilhe, 1874. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=151626 on 14 November 2014 This genus has become a synonym for ''

Hydrobia ''Hydrobia'' is a genus of very small brackish water snails with a gill and an operculum, aquatic gastropod mollusks in the family Hydrobiidae.Gofas, S. (2011). Hydrobia Hartmann, 1821. Accessed through: World Register of Marine Species at http ...

'' Hartmann, 1821. These snails live in intermediate habitats at high tide level, on mud, in protected

estuarine An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environm ...

and coastal areas. Because of this habitat these snails are sometimes categorized as marine, sometimes as aquatic in general, and sometimes are included in lists of land snails.

Species within the genus ''Peringia''

* † '' Peringia benoisti'' (Dollfus & Dautzenberg, 1886) * † '' Peringia conoidea'' (von Koenen, 1883) * '' Peringia depressa'' * † '' Peringia fontannesi'' (Dollfus & Dautzenberg, 1886) * † '' Peringia gottscheana'' (von Koenen, 1883) * '' Peringia mabellil'' * '' Peringia obeliscus'' * ''

Peringia ulvae ''Peringia ulvae'', commonly known as the Laver spire shell or mudsnail, is a European species of very small aquatic snail with gills and an Operculum (gastropod), operculum, a gastropod mollusk in the family Hydrobiidae.Gofas, S. (2010). ''Hydro ...

'' (Pennant, 1777) ;Species brought into synonymy: * ''Peringia castroi'' Locard, 1899: synonym of ''

'' (Pennant, 1777) * ''Peringia cyclolabris'' Bourguignat, 1876: synonym of ''

'' (Pennant, 1777) * ''Peringia lusitanica'' Locard, 1899: synonym of ''

'' (Pennant, 1777) * ''Peringia minoricensis'' Paladilhe, 1875: synonym of ''Hydrobia acuta acuta'' (Draparnaud, 1805) * ''Peringia paulinoi'' Locard, 1899: synonym of ''

'' (Pennant, 1777)

References

* Vaught, K.C. (1989). ''A classification of the living Mollusca''. American Malacologists: Melbourne, FL (USA). . XII, 195 pp

External links

* Info at

* Species at

* Images of ''P. ulvae'' at

Hydrobiidae {{Hydrobiidae-stub