Perotrochus deforgesi

Perotrochus deforgesi is a species of large sea snail, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.

Description

The length of the shell varies between 20 mm and 45 mm. It is also known as the de Forges "split shell". It is a spongivorous grazer often found among sponges. The shell has beaded spiral cords of a depressed shell. It was named after Dr. Bertrand Richer de Forges, organizer of the research dredgings that led to its discovery.

Distribution

This species occurs on the continental slope at depths between 350 m and 580 m in the Chesterfield-Bellona Plateau of New Caledonia in the Coral Sea.