Alvania tenera

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Alvania tenera
Alvania tenera 001.jpg
Shell of Alvania tenera (specimen at the Natural History Museum, Rotterdam)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Superfamily: Rissooidea
Family: Rissoidae
Genus: Alvania
Species:
A. tenera
Binomial name
Alvania tenera
(Philippi, 1844)
Synonyms
  • Crisilla tenera(R. A. Philippi, 1844) superseded combination
  • Rissoa teneraR. A. Philippi, 1844 superseded combination

Alvania tenera is a species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae. [1]

Contents

Description

The length of the shell varies between 1.6 mm and 3 mm.

The thin shell is pellucid and brownish white. it contains 5 whorls, with a deep suture, and strong spiral ridges, of which there are 9-10 on the body whorl. The wider interstices are slightly longitudinally striated. The outer lip is simple and dentate by the ridges. [2]

Distribution

This species occurs in the Western and Central Mediterranean Sea.

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References

  1. Alvania tenera (Philippi, 1844) . Gofas, S. (2009). Alvania tenera (Philippi, 1844). In: Bouchet, P.; Gofas, S.; Rosenberg, G. World Marine Mollusca database. Accessed through the World Register of Marine Species at http://marinespecies.org/aphia.php?p=taxdetails&id=141249 on 9 August 2010 .
  2. G.W. Tryon (884), Manual of conchology, structural and systematic : with illustrations of the species; Academy of Natural Sciences ser. 1, vol. 9