Alvania geryonia

Alvania geryonia
Shell of Alvania geryonia
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Superfamily:	Rissooidea
Family:	Rissoidae
Genus:	Alvania
Species:	A. geryonia
Binomial name
Alvania geryonia (Nardo, 1847)
Synonyms
Rissoa geryonia Nardo, 1847

Alvania geryonia is a species of small sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.[1]

Description

The length of the shell varies between 2.5 mm and 4 mm.

Distribution

This species occurs in the Mediterranean Sea off Corsica, France, Tuscany, Italy and Greece; also in the Atlantic Ocean off the Azores.

References

1. Alvania geryonia (Nardo, 1847). Gofas, S. (2009). Alvania geryonia (Nardo, 1847). 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=141191 on 9 August 2010 .

External links

• Nardo, G.D. (1847). Sinonimia Moderna delle Specie Regisrate nell'Opera Intitolata: Descrizione de'Crostacei, de'Testacei e de'Pesci che Abitano le Lagune e Golfo Veneto Rappressentati in Figure, a Chiaro-scuro ed a Colori dall'Abate Stefano Chiereghini Ven. Clodiense. Antonelli: Venezia.
• 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
• Thanasis Manousis, The Marine Mollusca of Greece: an up-to-date, systematic catalogue, documented with bibliographic and pictorial references