MolluscIreland - land and freshwater
  • Vertigo (Vertigo) moulinsiana (Dupuy 1849) Des Moulin
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Vertigo (Vertigo) moulinsiana
© Dr Roy Anderson

Map hosted by the National Biodiversity Data Centre, Waterford
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Shell dextral. A broad, barrel-shaped shell with relatively large body whorl and aperture. The mouth is prominent and triangular with a reflected lip and 4-5 conspicuous denticles: 1 parietal, 1 columellar; 2 palatal (the latter linked by a callus). Surface slightly glossy to dull, yellowish to reddish brown. Mainly in the south centre.

Key characteristics

  • A small, dextral, barrel-shaped shell
  • Aperture large and triangular with a reflected lip
  • Four to five denticles: 1 parietal, 1 columellar; 2 palatal (the latter linked by a callus)
  • Surface slightly glossy to dull, yellowish to reddish brown

Size

2.2-2.7 mm.

World Distribution

Possibly Circumpolar, but in Europe getting as far north as southern Sweden, a far east as Switzerland, and extending south to Spain and Sicily. Distribution type: Suboceanic Southern-temperate (82),

Irish Distribution

A declining species in Britain and Europe but there is little evidence at present of a noticeable contraction of range in Ireland. Found mainly in south central Ireland, particularly along the central canal system and the Shannon Callows, with outlying sites in Wexford and North Kerry.

Ecology

  • Restricted to lowland, floodplain wetlands in areas of calcareous bedrock
  • Climbs on tall marginal vegetation

Red List status

  • Endangered (EN).

Wikipedia link

Wikipedia page for Vertigo moulinsiana

 Anderson, R., (2016). Vertigo (Vertigo) moulinsiana (Dupuy 1849). [In] MolluscIreland.
http://www.habitas.org.uk/molluscireland/species.asp?ID=185 Accessed on 2017-10-21.