Alanbeuella corrugata

Alanbeuella corrugata (gaudy frog shell) is a species of sea snail, a marine gastropod mollusk in the family Bursidae, the frog shells. The subspecies Alanbeuella corrugata lineata Nowell-Usticke, 1959 has become a synonym of Bursa granularis (Röding, 1798), itself a synonym of Dulcerana granularis (Röding, 1798)

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.