Girish Mahajan

Vertigo geyeri

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Kingdom  Animalia
Superfamily  Pupilloidea
Subfamily  Vertigininae
Scientific name  Vertigo geyeri
Rank  Species
Class  Gastropoda
Family  Vertiginidae
Tribe  Vertiginini
Phylum  Mollusca
Vertigo geyeri httpsuploadwikimediaorgwikipediacommonsthu
Similar  Vertigo, Vertigo angustior, Vertigo genesii, Desmoulin's whorl snail, Vertigo antivertigo

Vertigo geyeri is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusc or micromollusc in the family Vertiginidae, the whorl snails.

Contents

Description

The egg-shaped-oval shell measures just 1.7 to 1.9 mm. in length and 1.2 mm in width. There are up to 5 whorls with deep seams. The aperture has 4 small protrusions (called "teeth") ( on parietal one columellar and two palatal), it can also have fewer teeth. The colour of the shell is reddish-brown and the surface is shiny. The shell has regular growth striations and is almost smooth.

Habitat

This species lives in marshes.

The specific name geyeri is in honor of German zoologist David Geyer (1855–1932).

Distribution and conservation status

  • IUCN red list - conservation dependent
  • It is mentioned in Annex II of the European Union's Habitats Directive.
  • This species occurs in:

  • British Isles (Ireland and United Kingdom) - listed in List of endangered species in the British Isles, Great Britain (endangered in Great Britain), Ireland
  • Continental Europe:
  • Austria
  • Czech Republic - critically endangered (CR). Its conservation status in Czech Republic in 2004-2006 is bad (U2) in report for European commission in accordance with Habitats Directive.
  • Denmark, Finland, Germany, Latvia, Lithuania, Norway, Poland, Slovakia, Ukraine, Sweden and Switzerland.
  • References

    Vertigo geyeri Wikipedia


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