Alvania canariensis

Alvania canariensis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Superfamily:	Rissooidea
Family:	Rissoidae
Genus:	Alvania
Species:	A. canariensis
Binomial name
Alvania canariensis (d'Orbigny, 1840)
Synonyms
Rissoa canariensis d'Orbigny, 1840 (original combination)

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

1. Alvania canariensis (d'Orbigny, 1840). Retrieved through: World Register of Marine Species on 3 December 2018.
2. G.W. Tryon (884), Manual of conchology, structural and systematic : with illustrations of the species; Academy of Natural Sciences ser. 1, vol. 9

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