Vitrea crystallina

Crystal snail External image

Vitrea crystallina Figure 3
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. crystallina
Binomial name
*Vitrea crystallina* (O. F. Müller, 1774)

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

Description

For terms see gastropod shell.

The 1.4-2.1 x 3-4 mm. shell is variable. It has 4-5 whorls and the last whorl width seen from above 1.5-2 x of penultimate whorl. The umbilicus is narrow, much narrower than in Vitrea botterii, but clearly open, showing penultimate whorl, initially narrower, widened only at last whorl.Usually smaller than V. diaphana, and larger than V. contracta which has more densely coiled whorls.^[1]

Distribution

This species occurs in countries and islands including:

References

↑ goettingen.de/zooweb/servlet/AnimalBase/home/sp ecies?id=1811 Animalbase (Welter-Schultes)
↑ Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. Journal of Conchology. 41 (1): 91-109.

Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). Checklist of New Zealand living Mollusca. Pp 196-219 in Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch.

External links

Wikimedia Commons has media related to Vitrea crystallina.

taxonomy,short description, distribution, biology,status (threats), images Vitrea crystallina AnimalBase

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.