Morula biconicaMorula biconica, the biconic rock shell, is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.DescriptionThe shell size varies between 13 mm and 30 mmDistributionThis species is found in the Indian Ocean along Réunion, Madagascar, the Mascarene Basin and in the Indo-West Pacific.