A well preserved large and complete specimen with both valves. It has a shallow uniplication with a concave ventral and convex dorsal valves. The long hinge-line, delthyrium and large interareas show well. The external ornament comprises of finely-tuberculate costae and growth-lines.
Size: 38 mm x 46 mm x 16 mm
Size: 38 mm x 46 mm x 16 mm