Alvania lanciae

Alvania lanciae
Shell of Alvania lanciae (specimen at the Natural History Museum, Rotterdam)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Superfamily:	Rissooidea
Family:	Rissoidae
Genus:	Alvania
Species:	A. lanciae
Binomial name
Alvania lanciae (Calcara, 1845)
Synonyms
Alvania argutaLocard & Caziot, 1900 Alvania consociellaMonterosato, 1884 Alvania schwartzii(Aradas & Benoit, 1874) Rissoa lanciaeCalcara, 1845 (original combination) Rissoa schwartziiAradas & Benoit, 1874

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

Description

The length of the shell attains 3 mm.

The shell is yellowish, orange brown or yellowish white. It is longitudinally distantly costate, spirally lirate, and forming nodules on the ribs. The base of the shell is without ribs, but spirally striate. The shell contains 5-6, very convex whorls. The suture is deep and channeled. The outer lip is externally thickened. ^[2]

Distribution

This species occurs in the Aegean Sea off the Cyclades, Greece; in the Mediterranean Sea off Corsica and Sardinia; also in the Sea of Marmara.

References

1. Alvania lanciae (Calcara, 1845) . Gofas, S. (2009). Alvania lanciae (Calcara, 1845). 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=141205 on 9 August 2010 .
2. G.W. Tryon (1884), Manual of conchology, structural and systematic : with illustrations of the species; Academy of Natural Sciences ser. 1, vol. 9 This article incorporates text from this source, which is in the public domain .

• 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.

External links

• Calcara, P. (1845). Cenno sui molluschi viventi e fossili della Sicilia da servire da supplimento ed insieme di critiche osservazioni all'opera di R.A. Philippi. Stamperia Reale, Palermo, 65 pp., pl. 1-4
• Monterosato T. A. (di) (1883-1885). Conchiglie littorali mediterranee. Naturalista Siciliano, Palermo, 3(3): 87-91 (1883); 3(4): 102-111; 3(5): 137-140; 3(6): 159-163; 3(8): 227-231; 3(10): 277-281; 4(1-2): 21-25; 4(3): 60-63 (1884); 4(4): 80-84; 4(8): 200-204 (1885)
• Locard A. & Caziot E. (1900-1901). Les coquilles marines des côtes de Corse. Annales de la Société Linnéenne de Lyon, 46: 193-274 [1900; 47: 1-80, 159-291 [1901 ]
• Aradas A. & Benoit L. (1872-1876 ("1870") ). Conchigliologia vivente marina della Sicilia e delle isole che la circondano. Atti dell'Accademia Gioenia di Scienze Naturali. ser. 3, 6: 1-113, pls 1-2