Henrigirardia
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''Henrigirardia wienini'' is a species of terrestrial gastropod in the family
Moitessieriidae Moitessieriidae is a family of small freshwater snails, aquatic gastropod molluscs in the superfamily Truncatelloidea.Bouchet, P. (2014). Moitessieriidae Bourguignat, 1863. Accessed through: World Register of Marine Species at http://www.marine ...
endemic to caves near
Aniane Aniane (; oc, Aniana) is a commune in the Hérault department in the Occitanie region in southern France. Population See also * Benedict of Aniane * Pont du Diable, Hérault * Mas de Daumas Gassac *Communes of the Hérault department The ...
, France. It is the sole species in the genus ''Henrigirardia''. ''H. wienini'' inhabits subterranean waters in two localities in the Fontanilles cave-river, and the type locality in the Herault Valley. It is listed by the IUCN (ver. 3.1) as Critically Endangered with the caveat '
possibly extinct The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biologi ...
' on IUCN criterion B1ab(iii) due to threats from ongoing water abstraction for domestic and agricultural purposes. Although it is not as significant or possibly not present, agricultural and domestic pollution can be dangerous to subterranean species. Specimens grow to 1.5mm, and have a characteristic thrown-out last whorl and aperture. The tuba ends on an out turned aperture that reflexes up to 90 degrees upwards.


References

Moitessieriidae Monotypic gastropod genera {{Moitessieriidae-stub