Vertigo angustior

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Narrow-mouthed whorl snail
Vertigo angustior - Jekerdal-1a.png
Apertural view of a shell of Vertigo angustior
Vertigo angustior.jpg
Six shells of Vertigo angustior, scale bar in mm
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia

clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
clade Orthurethra

Superfamily: Pupilloidea
Family: Vertiginidae
Subfamily: Vertigininae
Tribe: Vertiginini
Genus: Vertigo
Species: V. angustior
Binomial name
Vertigo angustior
Jeffreys, 1830[2]

The narrow-mouthed whorl snail, scientific name Vertigo angustior, is a species of minute land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Vertiginidae, the whorl snails.

Description[edit]

The shell measures 1.6 to 2.0 mm (mean: 1.8 mm) in height and 0.9 1.05 mm (mean: 1 mm) in width.It is oblong ovoid with 4.5 to 5.35 whorls (mean 5).The aperture is sinistral and relatively small. The aperture edge is bent (indented) and slightly thickened and the aperture is slightly notched, the notch continuing outside as a spiral groove. The aperture bears 5-6 mainly short denticles: 2 parietal; 2 columellar; 1 palatal, the latter relatively long. The shell is brown to yellowish brown or horn coloured and has a fine growth striation.

Distribution[edit]

The species occurs in many countries in Europe and in Asia:[3]

Western Europe:

Central Europe:

Northern Europe: Denmark, Finland, Norway, Sweden

Eastern Europe: Belarus, Estonia, Latvia, Lithuania, Russian Federation, Ukraine

Southern Europe: Italy, Romania

Asia: Armenia, Azerbaijan, Georgia.

Drawing: two views of a shell of Vertigo angustior

References[edit]

  1. ^ Mollusc Specialist Group (1996). "Vertigo angustior". 2006 IUCN Red List of Threatened Species. IUCN. Retrieved 2007-04-30. 
  2. ^ Jeffreys J. G. 1830. A synopsis on the testaceous pneumonobrancheous Mollusca of Great Britain. Transactions of the Linnean Society of London 16(2): 323-392.
  3. ^ distribution
  4. ^ 2000-2007. Action plan for Vertigo angustior. UK Biodiversity Action Plan. Joint Nature Conservation Committee.
  5. ^ Byrne et al., 2009. http://www.npws.ie/en/media/NPWS/Publications/Redlists/RL2.pdf[permanent dead link]
  6. ^ "Recherche de sites par espèce : Invertébrés : Vertigo angustior (Vertigo angustior)". 2007. 
  7. ^ "Vertigo angustior". 2005. 
  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. ^ (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. ^ Vertigo angustior - Polish Red Data Book of Animals

Further reading[edit]

External links[edit]