Alvania piersmai

Alvania piersmai is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.

Description

The length of the shell attains 1.8 mm, while the width attains 1.1 mm.

The protoconch of the shell has few turns. Its apex is smooth and forms 7–8 weaker spirals.

Distribution

This species occurs in the Atlantic Ocean off the Canary Islands.

References

External links

• Moolenbeek R.G. & Hoenselaar H.J. (1989). The genus Alvania on the Canary Islands and Madeira (Mollusca, Gastropoda). Part 1. Bulletin, Zoölogisch Museum, Universiteit van Amsterdam. 11(27): 215-228
• 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
• Conchology.be: image