Carinodrillia dichroa

Carinodrillia dichroa, common name the two-toned turrid, is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.

Description

The shell has a spiral structure, with a commonly off-white colouration above the periphery on the upper half of the whorl, and dark brown below it. It has a narrow brown band above the suture with a moderately developed spiral sculpture in comparison with other species of the genus Carinodrillia. The length of the shell varies between 15 mm and 26 mm.

Distribution

This marine species occurs from the Sea of Cortez, West Mexico to Ecuador, at a depth of 10 to 40 m. It is found on gravel bottoms near rock.