Brittle shell up to 1cm in length. The shell is white in colour but can appear translucent. The surface is obscured by a brown periostracum. The surface of the shell is sculptured with radiating ribs and concentric lines
- Surface sculptured with 20-30 radiating ribs
Burrows in muddy sand and gravel. The species is carnivorous and feeds by sucking in food with an adapted muscular gill. It probably feeds mainly on dead crustaceans.
RareDistributed from the Norwegian Sea to the Mediterranean