Skenea trochoides is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.

Tryon thought this species was a synonym of Cyclostrema peterseni Frielle, 1877 (now a synonym of Skenea peterseni (Friele, 1877)) [2] The size of the shell varies between 2 mm and 3 mm.

The base of the shell contains sometimes a few faint oblique, curved lines;.

The four whorls are convex and have a deep suture.

[2] This species occurs in Arctic waters and in the northern Atlantic Ocean off Greenland, the Faroes and Scandinavia at depths between 60 m and 160 m.