Vitrea diaphana

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Vitrea diaphana
Vitrea diaphana (MNHN-IM-2010-13268).jpeg
Shell of Vitrea diaphana (specimen at MNHN, Paris)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Stylommatophora
Superfamily: Gastrodontoidea
Family: Pristilomatidae
Genus: Vitrea
Species:
V. diaphana
Binomial name
Vitrea diaphana
(Studer, 1820) [1]
Synonyms
  • Glischrus (Helix) diaphanaS. Studer, 1820 (original name)
  • Helix contortaHeld, 1837 junior subjective synonym
  • Vitrea (Vitrea) diaphana(S. Studer, 1820) ·

Vitrea diaphana is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Pristilomatidae. [2]

Contents

This is the type species of the genus Vitrea .

Description

The coiled, rather small, dextral shell is very flattened and conical, the seam hardly rises when viewed from the side. It has a width of 3.1 to 4.2 mm and a height of 1.8 to 2.1 mm. It contains 5½ to 6 tightly wound, regular, only slowly increasing whorls. The body whorl is 1.7 to 2.3 times as wide at the aperture as the penultimate. The aperture is almost half cut off from the penultimate. It is transversely elliptic or transversely ovate when viewed directly from above, and has an obliquely crescent shape, due to the strong incision made by the previous whorl. The aperture is almost perpendicular to the shell axis. The edge of the aperture is usually straight and tapers into a point. However, it can be slightly amplified every now and then. The columella is folded and callused. The umbilicus is closed and often covered by the folded edge of the columella.

The thin shell is colorless and glassy translucent. The surface is almost smooth and has a high gloss. The growth lines are only clearly visible near the seam and are slightly more striped. [3] [ circular reference ]

Distribution

Distribution in Europe Vitrea-diaphana-map-eur-nm-moll.jpg
Distribution in Europe

The distribution of this species is alpine and southern-European. [4]

Vitrea diaphana lives in moderately moist locations, under leaf litter and dead wood, among rocks and debris of mountain forests.

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References

  1. ↑ Studer S. (1820). "Kurzes Verzeichniss der bis jetzt in unserm Vaterlande entdeckten Conchylien". Naturwissenschaftlicher Anzeiger der Allgemeinen Schweizerischen Gesellschaft für die Gesammten Naturwissenschaften 3(11): 83-90, 91-94. Bern.
  2. ↑ MolluscaBase eds. (2023). MolluscaBase. Vitrea diaphana (S. Studer, 1820). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=875637 on 2023-06-14
  3. ↑ nl.wikipedia: Vitrea diaphana
  4. ↑ (in Slovak) Lisický M. J. (1991). Mollusca Slovenska [The Slovak molluscs]. VEDA vydavateľstvo Slovenskej akadémie vied, Bratislava, 344 pp.
  5. ↑ Balashov I. & Gural-Sverlova N. (2012). "An annotated checklist of the terrestrial molluscs of Ukraine". Journal of Conchology41(1): 91-109.
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