Alvania spinosa

Alvania spinosa
	Apertural view of Alvania spinosa
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda; clade Hypsogastropoda; clade Littorinimorpha
Superfamily:	Rissooidea
Family:	Rissoidae
Genus:	Alvania
Species:	A. spinosa
Binomial name
	Alvania spinosa; (Monterosato, 1890)
Synonyms
	Alcidia spinosa Monterosato 1890 (basionym); Merelina (Alcidiella) spinosa (Monterosato, 1890); Rissoa angulata Seguenza G. 1876;

Alvania spinosa is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.^[2]

Description

The length of the shell varies between 1.75 mm and 3.7 mm.

This species occurs in the Western Mediterranean Sea.

^ Monterosato T. A. (di), 1890: Conchiglie della profondità del mare di Palermo, Naturalista Siciliano, Palermo 9 (6): 140-151 [1 marzo] 9 (7): 157-166 [1 aprile] 9 (8): 181-191 [1 maggio]
^ Alvania spinosa (Monterosato, 1890). Gofas, S. (2009). Alvania spinosa (Monterosato, 1890). 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=141242 on 4 November 2012 .

Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213

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