Vitrea contracta

Milky crystal snail

External image

Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
clade limacoid clade
Superfamily: Gastrodontoidea
Family: Pristilomatidae
Genus: Vitrea
Subgenus: Crystallus
Species: V. contracta
Binomial name
Vitrea contracta
(Westerlund, 1871)

Vitrea contracta is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Pristilomatidae.

Description

Vitrea contracta figure 4

For terms see gastropod shell.

The 2.2-2.6 mm. shell is colourless translucent and shiny. It is almost smooth with 4-5 whorls, the last whorl width seen from above 1.4-1.6 x of penultimate whorl. The umbilicus is moderately wide, becoming wider at the last whorl.

Distribution

This species occurs in countries and islands including:

References

  1. Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. Journal of Conchology. 41 (1): 91-109.

External links


This article is issued from Wikipedia - version of the Saturday, June 13, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.