CommonDistributed from Britain south to the Iberian Peninsula and into the Mediterranean.
Burrows in sand mud and gravel.
- The margin is crenulate ? Or plain?
- The surface is sculptured with concentric lines only (no ridges)
Solid shell up to 3mm in length. The shell is white but usually obscured by yellow or brown periostracum which sometimes has darker streaks. The surface of the shell is sculptured with fine concentric lines.