The shells of this species are large white, elongate and rectangular with a slightly expanded posterior. Valve rounded apex (umbo) in anterior quarter of valve. Exterior sculpture with numerous fine radial lines (striae) intersecting with numerous concentric lines (striae) or ridges, the latter may be stronger and slightly scaled (lamellate) posteriorly, giving a cancellate or decussate appearance. Shell up to 5 cm across.
This species is preyed upon by sea snails (gastropod species in the family Naticidae and Muricidae), sea stars and fish.
On gravely sand, often among seagrass.
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed