Cyclostrema (Ganesa) nitidiuscula Jeffreys, 1883 Ganesa nitidiuscula is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.

The shell is rimate, opaque, and rather glossy.

It shows remote, flexuous growth striae.

The sharp peristome is simple and is interrupted by the parietal wall.

[2] This species occurs in the North Sea between the Hebrides and the Faroe Islands.