Pseudorbis granulum

Pseudorbis granulum is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.

Description
The size of the shell varies between 0.8 mm and 1.5 mm. The shell is scarcely unibilicated. The aperture is circular. The surface is spirally costate, not cancellated.

Distribution
This marine species is found in the Mediterranean Sea, originally off Sicily and recently off the Alboran Island.