Alvania aspera is a species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Description
The length of the shell varies between 1.5 mm and 3.7 mm.
The shell resembles Alvania lineata, but the decussations are deeper, giving the nodules a rough appearance.G.W. Tryon (884), Manual of conchology, structural and systematic : with illustrations of the species; Academy of Natural Sciences ser. 1, vol. 9 Distribution This species occurs in the Mediterranean Sea off Tunisia and Greece.
References
External links Philippi, R. A. (1844). Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium, quae in itinere suo observavit. Vol. 2.. Halle (Halis Saxorum): Eduard Anton. iv + 303 pp., pls 13-28 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 Thanasis Manousis, The Marine Mollusca of Greece: an up-to-date, systematic catalogue, documented with bibliographic and pictorial references