Fragile shell up to 1.5cm in length.The outside is white in colour tinged with pink. The inisde is white and glossy. The surface is sculptured with irregular concentric rings.
Key identification features
- Two muscle distinct scars on the upper valve.
- The muscle scars are not furrowed
Ecology and behaviour
Lives on bottoms of coarse sand and gravel attached to rocks or other shells.
Distribution and status
Widely distributedDistributed from Norway south to the Bay of Biscay.