Английская Википедия:Alvania canariensis
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Alvania canariensis is a species of minute sea snail, a marine gastropod or micromollusk in the family Rissoidae.[1]
Description
The length of the shell varies between 1 mm and 3 mm.
The imperforate, white shell is solid. It is covered with rounded nodules by the intersection of longitudinal and spiral ribs. The shell contains five whorls, slightly convex, with a rather deep suture. The outer lip is thickened and margined. [2]
Distribution
The species has been found off the Canary Islands.
References
External links
- Orbigny, A. D. d'. (1836-1842). Mollusques, Echinodermes, Foraminifères et Polypiers recueillis aux Iles Canaries par MM. Webb et Berthelot. In: Barker-Webb, P. & Berthelot, S. (eds) Histoire naturelle des Iles Canaries, volume 2(2): 117 pp., pls 1-7, 7B. pp
- 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
