Crassispira turricula, common name the turriculated pleurotoma, is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.

(Original description) The brown shell is sharply pyramidal.

The tubercles are arranged in a single row.

The interior of the aperture is blackish purple.

[2] This marine species occurs from Baja California, Mexico to Ecuador.