Solid shell up to about 2.5cm in length. The outside is dirty white in colour; the inside is white. The surface is sculptured with obvious concentric ridges and grooves.
Key identification features
- Cardinal teeth in left valve form a 'V' shaped projection which almost reaches the lower line of the hinge plate
Ecology and behaviour
Burrows in sand or muddy sand often in large numbers. It feeds by filtering phytoplankton.
Distribution and status
CommonDistributed from the Norwegian Sea to the Oberian Peninsula and into the Mediterranean and Black Seas.