Fusiturris undatirugaFusiturris undatiruga, common name the wrinkled turrid, is a species of sea snail, a marine gastropod mollusk in the family Fusiturridae.DescriptionThe size of an adult shell varies between 20 mm and 65 mm. The diameter is 16 mm. The whorls are angulated in the middle and nodulous on the angle. Above it, the surface is smooth; below the nodules, they are continued as flexuose wrinkles or ribs, becoming evanescent towards the base of the aperture. The color of the shell is yellowish brown, with usually one or two darker bands.DistributionThis species occurs in the Mediterranean Sea and the Atlantic Ocean off the Canaries, Gabon and Angola.