| Alvania subsoluta | |
|---|---|
 | |
| Shell of Alvania subsoluta (specimen at the Natural History Museum, Rotterdam) | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | A. subsoluta |
| Binomial name | |
| Alvania subsoluta (Aradas, 1847) | |
| Synonyms | |
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Alvania subsoluta is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.[1]
Description
The length of the shell varies between 2 mm and 4 mm.
The thin shell is somewhat solid, white or brownishand opaline. It is rather numerously longitudinally costulate with riblets vanishing on lower part of body whorl. It shows less prominent, close, spiral striae that are stronger at the base. The shell contains five convex whorls, with a deep suture. The aperture is expanded below and externally varicose. [2]
Distribution
This marine species occurs in the Atlantic Ocean off Iceland to Norway , the Canary Islands and West Africa; in the Mediterranean Sea off Sicily and Greece.
References
- ↑ Alvania subsoluta (Aradas, 1847). Gofas, S. (2009). Alvania subsoluta (Aradas, 1847). 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=141247 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
- Oliverio, M.; Amati, B.; Nofroni, I. (1993). Revision of the Alvania testae group of species. Lavori della Società Italiana di Malacologia. 24: 249-25
External links
- Aradas A. (1847). Descrizione delle conchiglie fossili di Gravitelli presso Messina. Atti dell'Accademia Gioenia di Scienze Naturali (2) 4: 57-88
- Seguenza G. (1873-1877). Studi stratigrafici sulla formazione pliocenica dell'Italia meridionale. Bollettino, Reale Comitato Geologico d'Italia. 4: 29-45, 84-103, 131-153, 213-230, 280-301, 345-357
- 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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