Vitrea contracta

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

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)

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:

gollark: I think I got a CB copper for one.
gollark: You actually count them accurately enough to get percentages?
gollark: From what? Prizekins or prizes?
gollark: I generally need bolts anyway, sooo...
gollark: I'm sure *someone* wants prizekins.

References
  1. 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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