Crassispira turricula

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

Description
The length of the shell varies between 21 mm and 45 mm.

(Original description) The brown shell is sharply pyramidal. The upper part of the whorls is tuberculated. The tubercles are arranged in a single row. The lower part of the whorls is longitudinally ribbed, the ribs decussated. The interior of the aperture is blackish purple. The siphonal canal is short.

Distribution
This marine species occurs from Baja California, Mexico to Ecuador.