Crassispira carbonaria

Crassispira carbonaria is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.

Description
The length of the shell varies between 18 mm and 35 mm.

The shell is very solid, with a well-defined shoulder, and sulcate space above it. The longitudinal ribs are low, rounded, closer than in Crassispira bottae. The interspaces are very narrow, crossed by raised revolving lines. The shell is chocolate-colored.

Distribution
This marine species occurs off Western Africa, Gabon, Senegal and Guinea Bissau