Cyclostrema rugulosa Sars, 1878 Skenea rugulosa is a species of small sea snail, a marine gastropod mollusk in the family Skeneidae.

The shell is narrowly umbilicated.

It is pellucid, yellowish white.

The short, obtuse spire is smooth, microscopically rugulose and spirally striate.

[2] This species occurs in northern European waters off Iceland, the Faroes, southern Norway and in the Barents Sea.