Bursa corrugata
Bursa corrugata (gaudy frog shell) is a species of sea snail, a marine gastropod mollusk in the family Bursidae, the frog shells. The subspecies "Bursa corrugata lineata" has become a synonym of "Bursa granularis" Distribution. This marine species occurs in the Atlantic Ocean off West Africa, the Canary Islands, Cape Verdes and Brazil; in the Caribbean Sea, the Gulf of Mexico and the Lesser Antilles. Description. The maximum recorded shell length is 75 mm. Habitat. Minimum recorded depth is 2 m. Maximum recorded depth is 137 m.