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

Alvania lanciae
Shell of Alvania lanciae (specimen at the Natural History Museum, Rotterdam)
Scientific classification Edit this classification
Domain: Eukaryota
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 arguta Locard & Caziot, 1900
  • Alvania consociella Monterosato, 1884
  • Alvania schwartzii (Aradas & Benoit, 1874)
  • Rissoa lanciae Calcara, 1845 (original combination)
  • Rissoa schwartzii Aradas & Benoit, 1874

Description

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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

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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

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  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.
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