Oocorys sulcataOocorys sulcata is a species of large sea snail, a marine gastropod mollusc in the family Cassidae, the helmet snails and bonnet snails.DistributionThis species occurs in the Atlantic Ocean off Morocco and the Azores.DescriptionThe maximum recorded shell length is 55 mm.HabitatMinimum recorded depth is 161 m. Maximum recorded depth is 5073 m.