Oocorys grandis

Oocorys grandis is a species of large sea snail, a marine gastropod mollusc in the family Cassidae, the helmet snails and bonnet snails.

Description
The length of the shell attains 103 mm.

The color of the shell is a baige white with the inside having a dark orange color

Distribution
The holotype was found in the Central Indian Ocean at depths between 2953 m and 4660 m.