Brittle shell up to 2cm in length. The shell is white in colour but obscured by a brown periostracum. The inside is white, sometimes with a blue tinge. The surface of the shell is sculptured with faint concentric lines.
- Posterior of shell drawn out into a 'spout'
- The spout is relatively short
- Surface is sculptured with only concentric lines - no ribs
Burrows in muddy sand or gravel. The species is carnivorous and feeds by sucking in food with an adapted muscular gill. It probably feeds mainly on dead crustaceans.