Pardalinops testudinariusPardalinops testudinarius, common name : the tortoise dove shell, is a species of sea snail, a marine gastropod mollusc in the family Columbellidae, the dove snails.DescriptionThe shell size varies between 10 mm and 41 mmDistributionThis species occurs in the Red Sea, in the Indian Ocean off Tanzania; off the Philippines; in the Western [Pacific Ocean] and off Australia.