Calliostoma hassler Clench & Aguayo 1939

Calliostoma hassler, common name Hassler's top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.^[1]

Description

The size of the shell varies between 25 mm and 32 mm.

Distribution

This species occurs in the Atlantic Ocean off Eastern Brazil at depths between 40 m and 64 m.

References

• Clench, W. J. and C. G. Aguayo. 1939. Notes and descriptions of new deep-water Mollusca obtained by the Harvard-Havana Expedition off the coast of Cuba. II. Memorias de la Sociedad Cubana de Historia Natural "Felipe Poey" 13: 189–197, pls. 28-29