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

[1] The size of the shell varies between 0.8 mm and 1.5 mm.

The shell is scarcely unibilicated.

The surface is spirally costate, not cancellated.

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