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

[1] This species occurs in the Atlantic Ocean off Morocco and the Azores.

The maximum recorded shell length is 55 mm.

[2] Minimum recorded depth is 161 m.[2] Maximum recorded depth is 5073 m.[2] page(s): 60

This Cassidae-related article is a stub.