Shell up to about 2cm in length. Brittle. White in colour. Sculpture of fine concentric rings and radiating lines (but these may be worn away). Deep pallial sinus which is partially confluent with the pallial line.
- Sculpture includes radiating lines (but may be worn away)
Burrows in mud where it feeds on organic detritus picked up through the siphon.
Very rareDistributed from the Norwegian Sea to the Iberian Peninsula and into the Mediterranean.