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Vallonia tenuilabris
Drawing: three views of a shell of Vallonia tenuilabris
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Valloniidae
Genus:	Vallonia
Species:	V. tenuilabris
Binomial name
Vallonia tenuilabris (A.Braun, 1843)
Synonyms
Helix pulchella var. tenuilabris Braun, 1843

Vallonia tenuilabris is a species of very small, air-breathing land snail that is a terrestrial pulmonate gastropod mollusk or micromollusk in the family Valloniidae.

Distribution

Vallonia tenuilabris was described for the first time in the loess of Wiesbaden, Germany. It is only in the past few decades that its recent occurrence in Central Asia has been recognised.

Recent distribution of Vallonia tenuilabris include:

• Central Asian highlands (Altai Mountains, Tien Shan, Pamir Mountains and Himalayas)
• Northern Mongolia
• from the Baikal region into Northern Asia, from Siberia to Altai, Karakorum and Yenisei.
• North-eastern and north China including Xinjiang and Tibet.
• Northern Caucasus - the most western part of the recent range.

Description

The width of the shell is 3 mm. The height of the shell is 1.8 mm.

Ecology

Vallonia tenuilabris is adapted to the cold.

References

This article incorporates CC-BY-3.0 text from the reference

1. ^ "Species summary for Vallonia tenuilabris". Animalbase, last modified 27 July 2008, accessed 1 November 2012.
2. ^ Meng S. & Hoffmann M. H. (2009). "Pupilla loessica Ložek 1954 (Gastropoda: Pulmonata: Pupillidae) – “A Living Fossil” in Central Asia?". Eiszeitalter und Gegenwart Quaternary Science Journal 58(1): 55–69. doi:10.3285/eg.58.1.03.
3. Balashov I. & Kijashko P. (2017). "Relic land snails in the Caucasian glacial refugium: a first non-fossil record of Vallonia tenuilabris from Western Eurasia". Journal of Conchology 42(5): 327–332.

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• Valloniidae
• Gastropods described in 1843
• Orthurethra stubs