Shell is small, solid, thick, trigonal-ovate and has a rounded ventral margin. Lunule is narrow and indistinct. There are about 6 thin, well-developed concentric lamellae turned upwards at their outer edges. The hinge has 3 cardinal teeth, without anterior lateral teeth. The pallial sinus is distinct, meaning it is easy to see. The outer margin is thick and rounded, and the interior has muscle scars