Dulcerana granularisDulcerana granularis, common name the granular frog shell, is a species of medium-sized sea snail, a marine gastropod mollusk in the family Bursidae, the frog shells.DistributionThis marine species occurs in the Indo-West Pacific, off New Zealand, in the Caribbean Sea, the Gulf of Mexico and the Lesser Antilles. and Red Sea, and Arabian Sea.DescriptionThe maximum recorded shell length is 85 mm.HabitatMinimum recorded depth is 0 m. Maximum recorded depth is 256 m.