Solid shell up to 6cm in length. Yellowish white in colour; inside is white. Periostracum light green or yellow. Sculpture of concentric rings and radial ribs. Pallial sinus relatively deep and is confluent with the pallial line for much of its length.
Key identification features
- Cylindrical shell gaping at both ends
- Right valve has two prominent cardinal teeth; left valve has one
- Radiating ribs on the valve surface
Similar species
- Azorinus chamasolen does not have the radiating ribs
Ecology and behaviour
Burrows in sand/gravel ? Filter feeder?
Distribution and status
Local
Distributed from the UK south to the Mediterranean