The shells of this species are small, quite solid, chalky and more or less triangular in shape. External coating (periostracum) brown. Hinge with grooved "teeth". Shell up to 25 mm across.
This species can be the dominant species in some locations. It is recorded by some earlier authors under a different scientific name.
In sand and mud areas, particularly at river mouths, to depth of 1 m.
Most states of Australia.
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed