Vertigo geyeri

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Vertigo geyeri
Vertigo geyeri-2009-27-09.jpg
Apertural view of a shell of Vertigo geyeri
Vertigo geyeri.jpg
Six shells of Vertigo geyeri, scale bar in mm
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Stylommatophora
Family: Vertiginidae
Subfamily: Vertigininae
Genus: Vertigo
Species:
V. geyeri
Binomial name
Vertigo geyeri
Lindholm, 1925 [2]
Synonyms
  • Vertigo geyeriiLindholm, 1925 [orth. error]
  • Vertigo (Glacivertigo) geyeriLindholm, 1925 (unaccepted subgeneric classification)
  • Vertigo (Vertigo) geyeriLindholm, 1925 · alternate representation
  • Vertigo genesii var. geyeriLindholm, 1925

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. [3]

Contents

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

Description

The egg-shaped-oval shell measures just 1.7 to 1.9 mm (0.07 to 0.07 in). in length and 1.2 mm (0.05 in) in width. There are up to five whorls with deep seams. The aperture has four 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. [4] [5]

Habitat

This species lives in constantly wet, calcareous flush-fens that are fed by tufa-depositing springs. In the British Isles (Ireland and United Kingdom) it often lives in association with black bog-rush Schoenus nigricans and yellow sedge Carex viridula , in dense short grasses and sedges with little Sphagnum moss. [6]

Distribution and conservation status

Distribution Vertigo-geyeri Presence in European countries.png
Distribution

Vertigo geyeri is a boreo-alpine species, probably endemic to Europe. It occurs in the boreal, alpine, continental and Atlantic zones with a range extending from Ireland to Russia. Its populations are scattered and local extinctions of isolated populations can occur. It is mentioned in Annex II of the European Union's Habitats Directive. [1]

In the British Isles it is included in the List of United Kingdom Biodiversity Action Plan species, Great Britain (endangered in Great Britain). [7] It occurs in such scattered locations as on Beinn a' Ghlò in Eastern Scotland, in North Yorkshire, in Cumbria and in Corsydd Môn in Anglesey, where there is a large, low-altitude population in a calcareous fen. [6]

It is considered critically endangered in the Czech Republic, [8] [9] Its conservation status in Czech Republic in 2004-2006 is bad (U2) in report for European Commission in accordance with Habitats Directive. [10] and it occurs in Denmark, Finland, France, Germany, Latvia, Lithuania, Norway, Poland, Slovakia, Ukraine, [11] Sweden and Switzerland. [1]

Related Research Articles

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<i>Vertigo genesii</i> Species of gastropod

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<i>Vertigo angustior</i> Species of gastropod

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<i>Pupilla alpicola</i> Species of gastropod

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<i>Vertigo substriata</i> Species of mollusc

Vertigo substriata is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Vertiginidae, the whorl snails.

<i>Vertigo pygmaea</i> Species of gastropod

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<i>Vertigo alpestris</i> Species of gastropod

Vertigo alpestris is a species of minute, air-breathing land snail, terrestrial pulmonate gastropod molluscs or micromollusks in the family Vertiginidae, the whorl snails.

<i>Vertigo antivertigo</i> Species of gastropod

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

<i>Vertigo pusilla</i> Species of gastropod

Vertigo pusilla is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Vertiginidae, the whorl snails.

<i>Aegopinella pura</i> Species of gastropod

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<i>Pupilla sterrii</i> Species of gastropod

Pupilla sterrii is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Pupillidae.

<i>Vertigo parcedentata</i> Species of gastropod

Vertigo parcedentata is a species of minute, air-breathing land snail, terrestrial pulmonate gastropod molluscs or micromollusks in the family Vertiginidae, the whorl snails.

<i>Xerocrassa geyeri</i> Species of gastropod

Xerocrassa geyeri is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Geomitridae. It is also known as Trochoidea geyeri.

<i>Pupilla pratensis</i> Species of gastropod

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<i>Chondrina arcadica</i> Species of gastropod

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References

  1. 1 2 3 Killeen, I.; Moorkens, E.; Seddon, M.B. (2011). "Vertigo geyeri". IUCN Red List of Threatened Species . 2011: e.T22940A9400082. doi: 10.2305/IUCN.UK.2011-2.RLTS.T22940A9400082.en . Retrieved 20 November 2021.
  2. ↑ (in German) Lindholm W. A. 1925. Studien an palaearktischen Vertigo-Arten. Archiv für Molluskenkunde 57 (5/6): 241-251.
  3. ↑ MolluscaBase eds. (2023). MolluscaBase. Vertigo geyeri Lindholm, 1925. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1050662 on 2023-02-08
  4. ↑ "Vertigo geyeri Lindholm, 1925". AnimalBase. Retrieved 15 March 2020.
  5. ↑ "Vertigo (Vertigo) geyeri LINDHOLM, 1925". Uniwersytet im. Adama Mickiewicza w Poznaniu. Archived from the original on 6 March 2005. Retrieved 15 March 2020.
  6. 1 2 "Geyer's whorl snail Vertigo geyeri". JNCC. Retrieved 15 March 2020.
  7. ↑ 2001–2007. Action plan for Vertigo geyeri. UK Biodiversity Action Plan, Joint Nature Conservation Committee
  8. ↑ "Evropsky významné lokality v České republice" (in Czech). 2003.
  9. ↑ "Red List of the molluscs (Mollusca) of the Czech Republic". 2006-07-14.
  10. ↑ (in Czech) Dušek J., Hošek M. & Kolářová J. (2007) Hodnotící zpráva o stavu z hlediska ochrany evropsky významných druhů a typů přírodních stanovišť v České republice za rok 2004-2006. - Ochrana přírody, 62(5): appendix 5:I-IV.
  11. ↑ Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. Journal of Conchology. 41 (1): 91-109.
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