Alvania piersmai is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Description The size of the shell is 1.8 mm in length and 1.1 mm in width.
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