Cerithiopsis aimenCerithiopsis aimen is a species of very small sea snail, a marine gastropod mollusk in the family Cerithiopsidae. This species was described by Emilio Rolán and José Espinosa in 1996.DescriptionThe maximum recorded shell length is 3.2 mm.HabitatMinimum recorded depth is 23 m. Maximum recorded depth is 42 m.