Thin, but solid, shell up to about 2.5cm. Yellowish white with pink red or violet radiating rays. Exterior colouration repeated on the interior. Glossy with fine concentric ribs and radiating lines.Slight gape at each end. Siphons long and separate.
Key identification features
- No lateral teeth
- Posterior margin rounded
- No gape at posterior end of shell
Ecology and behaviour
Occassionally swims by flapping its valves. Burrows in coarse sand or gravel.
Distribution and status
FrequentLofoten islands to the Mediterranean.