Sinum concavum

Sinum concavum
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda clade Hypsogastropoda clade Littorinimorpha
Superfamily:	Naticoidea
Family:	Naticidae
Genus:	Sinum
Species:	S. concavum
Binomial name
*Sinum concavum* (Lamarck, 1822)
Synonyms^[1]
Sigaretus concavus Lamarck, 1822 (basionym)

Sinum concavum, common name : the Concave Ear Moon Snail, is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.^[1]

Description

The size of an adult shell varies between 19 mm and 50 mm.

This species is distributed in the Atlantic Ocean along Senegal, Guinea and Angola.

^ ^a ^b Sinum concavum (Lamarck, 1822). WoRMS (2009). Sinum concavum (Lamarck, 1822). Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=225301 on 5 May 2011.

Bernard, P.A. (Ed.) (1984). Coquillages du Gabon [Shells of Gabon]. Pierre A. Bernard: Libreville, Gabon. 140, 75 plates pp
Gofas, S.; Afonso, J.P.; Brandào, M. (Ed.). (S.a.). Conchas e Moluscos de Angola = Coquillages et Mollusques d'Angola. [Shells and molluscs of Angola]. Universidade Agostinho / Elf Aquitaine Angola: Angola. 140 pp
Torigoe K. & Inaba A. (2011) Revision on the classification of Recent Naticidae. Bulletin of the Nishinomiya Shell Museum 7: 133 + 15 pp., 4 pls.