Straight sided shell up to about 12cm in length. Yellow in colour with light brown periostracum. Shell sculptured with smooth concentric lines and prominent groove just behind the front margin, Growth stages clear.
- Only one tooth in the left valve and no hozontal teeth
- Vertical groove on the outside of the shell behind front margin
- Anterior adductor scar not as long as ligament
Burrows in sand or muddy sand in the sublittoral.
Recorded from the Norwegian Sea and Baltic to the Iberian Peninsula and into the Mediterranean.