Alvania tenera
| Alvania tenera | |
|---|---|
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| Shell of Alvania tenera (specimen at the Natural History Museum, Rotterdam) | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | A. tenera
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| Binomial name | |
| Alvania tenera (Philippi, 1844)
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| Synonyms | |
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Alvania tenera is a species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.[1]
Description
[edit]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
[edit]This species occurs in the Western and Central Mediterranean Sea.
References
[edit]- ^ 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 .
- ^ G.W. Tryon (884), Manual of conchology, structural and systematic : with illustrations of the species; Academy of Natural Sciences ser. 1, vol. 9
External links
[edit]- Philippi, R. A. (1844). Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium, quae in itinere suo observavit. Vol. 2.. Halle (Halis Saxorum): Eduard Anton. iv + 303 pp., pls 13-28
- Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180-213
- Garilli V. 2008. On some Neogene to Recent species related to Galeodina Monterosato, 1884, Galeodinopsis Sacco, 1895, and Massotia Bucquoy, Dautzenberg, and Dollfus, 1884 (Caenogastropoda: Rissoidae) with the description of two new Alvania species from the Mediterranean Pleistocene. The Nautilus, 122(1): 19–51