Rissoa membranacea



Rissoa membranacea is a species of minute sea snail, a marine gastropod mollusc or micromollusc in the family Rissoidae.

Description
The length of the shell varies between 4 mm and 11 mm.

Distribution
This species occurs in the Atlantic Ocean from Western nOrway to the British Isles; in the Mediterranean Sea in the Alboran Sea.