Calliostoma psyche

Calliostoma psyche, the Psyche top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.

Description
The size of the shell varies between 15 mm and 24 mm. This is the southern variety of Calliostoma bairdii of which W.H. Dall considered it to be a variety. It is paler and more delicately colored. It is less elevated and its lateral outlines are slightly concave.

Distribution
This species occurs in the Gulf of Mexico and in the Atlantic Ocean from North Carolina to Key West, USA, at depths between 26 m and 443 m.