A deep water species found, in particular, on the continental margin between 200 - 500m depth (but also at much greater depths). Distributed from the Norwegian Sea to the Iberian Peninsula and into the Mediterranean.
Burrows in mud where it feeds on organic detritus picked up through the siphon.
- Sculpture includes radiating lines (but may be worn away)
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.