FrequentLofoten islands to the Mediterranean.
Occassionally swims by flapping its valves. Burrows in coarse sand or gravel.
- No lateral teeth
- Posterior margin rounded
- No gape at posterior end of shell
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.