Length 50 mm, height 45 mm, breadth 33 mm. Shell thick, solid, veneroid. Beaks prominent and prosocline. Lunule deeply impressed. Anterior margin slightly risen just in front of lunule then gently curved down. Posterior margin rather straight meeting with straight dorsal margin. Surface with strong concentric ribs, dull, with radially disposed brown blotches. Interior white. Left anterior lateral tooth large and button-like, cardinal tooth bifurcated. Ventral margin finely crenulated. Pallial sinus shallow.