Manzonia vigoensis is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae. Description Manzonia vigoensis has a shell size up to 1.6 mm. It is found in the Bay of Biscay and the coast of Portugal and Galicia. Distribution References vigoensis Molluscs of the Atlantic Ocean Molluscs of Europe Gastropods described in 1983