Sinezona semicostata
Sinezona semicostata is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Scissurellidae, the little slit shells. Description The size of the shell varies between 0.5 mm and 0.7 mm. Distribution This species occurs in the Atlantic Ocean off the Canary Islands, Madeira and Cape Verde and in the Mediterranean Sea off Italy. References Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213 Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda. Geiger D.L. (2012) Monograph of the little slit shells. Volume 1. Introduction, Scissurellidae. pp. 1–728. Volume 2. Anatomidae, Larocheidae, Depressizonidae, Sutilizonidae, Temnocinclidae. pp. 729–1291. Santa Barbara Museum of Natural History Monographs Number 7 External links Scissurellidae Gastropods described in 1990 Molluscs of Madeira Molluscs of the Canary Islands Gastropods of Cape Verde