Vertigo genesii

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Vertigo genesii

From Wikipedia, the free encyclopedia

Vertigo genesii

Drawing of the shell of Vertigo genesii.
Conservation status
Least Concern (IUCN 3.1)^[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Vertiginidae
Genus:	Vertigo
Species:	V. genesii
Binomial name
*Vertigo genesii* (Gredler, 1856)^[2]
Synonyms
Pupa genesii Gredler, 1856^[2] Vertigo (Glacivertigo) genesii (Gredler, 1856) (unaccepted subgeneric classification) Vertigo (Vertigo) genesii (Gredler, 1856) · alternate representation

Vertigo genesii, common name the round-mouthed whorl snail, is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusc or micromollusc in the family Vertiginidae, the whorl snails.^[3]

Shell description

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The shell is very small, ovate, obtuse, indistinctly, spaced striate, glossy purplish brown. The shell has 4½ whorls, that are rather convex, high, rapidly increasing, joined by a somewhat impressed suture, the penult large, almost ventricose. Umbilical opening is moderate.^[4]

The aperture is semirotund, nearly quadratic, without any folds. Peristome is scarcely expanded, thickened liplike, bordered with bluish black, the margins are connected by a very weak callus, the right margin is arched at the insertion.^[4]

The width of the adult shell is 1.03–1.20 mm, the height is 1.63–2.00 mm.^[5]

Anatomy

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The animal body color is raven-black. The tentacles are short, contracted in the middle.^[4]

Distribution and conservation status

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

This species occurs in:

British Isles (in the United Kingdom only): Great Britain. It is endangered in Great Britain^[6] and it is listed in List of endangered species in the British Isles.
Continental Europe: Finland, Germany, Norway, Poland, Romania, Russian Federation, Sweden, and Switzerland.

References

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This article incorporates public domain text from reference.^[4]

^ Moorkens, E. (2011). "Vertigo genesii". IUCN Red List of Threatened Species. 2011: e.T22936A9399069. doi:10.2305/IUCN.UK.2011-2.RLTS.T22936A9399069.en. Retrieved 19 November 2021.
^ ^a ^b Gredler V. 1856. Tirol's Land- und Süsswasser-Conchylien. I. Die Landconchylien. Verhandlungen des Zoologisch-Botanischen Vereins in Wien (Abhandlungen) 6: 25-162, Table 2, figure 3. (in German)
^ MolluscaBase eds. (2023). MolluscaBase. Vertigo genesii (Gredler, 1856). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1050661 on 2023-02-08
^ ^a ^b ^c ^d Pilsbry H. A. & Cooke C. M. 1918-1920. Manual of Conchology. Second series: Pulmonata. Volume 25. Pupillidae (Gastrocoptinae, Vertigininae). Philadelphia. page 204.
^ Vertigo (Vertigo) genesii (GREDLER, 1856) Archived January 5, 2005, at the Wayback Machine. In: The Vertiginidae of Poland, accessed 2 July 2009.
^ 2001-2007. Action plan for Vertigo genesii. UK Biodiversity Action Plan, Joint Nature Conservation Committee.

Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16, 2017

External links

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Wikimedia Commons has media related to Vertigo genesii.

Taxon identifiers
Vertigo genesii	Wikidata: Q2388071 BOLD: 508068 Fauna Europaea: 431200 Fauna Europaea (new): a2554431-4d77-4e12-94f7-aef22dbc1fd1 GBIF: 4567211 iNaturalist: 114938 IUCN: 22936 NatureServe: 2.834421 NCBI: 1128349 Open Tree of Life: 365461

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