| Alvania testae | |
|---|---|
 | |
| Shell of Alvania testae (specimen at MNHN, Paris) | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | A. testae |
| Binomial name | |
| Alvania testae (Aradas & Maggiore, 1844) | |
| Synonyms[1] | |
| |
Alvania testae is a species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.[1]
Description
The length of the shell varies between 2 mm and 4 mm.
The whitish shell is somewhat solid and transparent. It showsh distant thin pliae, vanishing towards the base, subcancellated by less elevated, distant, spiral lirae. The shell contains six whorls, somewhat convex, with a deep suture. The aperture is effuse below. The outer lip is acute, smooth within and externally varicose. [2]
Distribution
This species occurs in the Atlantic Ocean from Norway to West Africa; in the Mediterranean Sea (Corsica, Italy, Greece).
References
- 1 2 Alvania testae (Aradas & Maggiore, 1844). Gofas, S. (2009). Alvania testae (Aradas & Maggiore, 1844). In: Bouchet, P.; Gofas, S.; Rosenberg, G. World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=141251 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
- Aradas A. & Maggiore G. (1840-1844). Catalogo ragionato delle conchiglie viventi e fossili di Sicilia. Atti dell'Accademia Gioenia di Scienze Naturali
External links
- Jeffreys J.G. (1870). Mediterranean Mollusca. Annals and Magazine of Natural History. ser. 4, 6: 65-86
- 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
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