Shell elongate-ovate in outline, laterally flattened, rather thin and semi-transparent, compressed, nearly equilateral, transversely striated, striae concentric, glossy white often tinged with yellow at the margin. Superior margin is wavy Periostracum close to the margin. Ventral edge nearly rounded. Anterior and posterior edges rounded. A depression on the anterior side of each valve. Sculpture absent, surface wrinkled mostly at the margin, with relatively strong growth lines. 2 similar sized cardinal teeth in the right valve, single, central, tall tooth in the left valve. Anterior and posterior adductor muscle scar is nearly similar Scar of anterior adductor muscle is somewhat rounded, dorsoventrally long. Pallial sinus deep, similar in each valve, confluent with pallial line forming an arch run close to anterior adductor muscle scar which is well above the ventral margin.