Description: Shell to 7 mm. Equivalve. Inequilateral, beaks towards the anterior. Outline subovate. posteriorly subrostrate; posterior dorsal margin almost straight, gently sloping; posterior margin narrow, truncate slightly auriculate. Sculpture in 3 parts: anterior area demarcated by a low radial rib and with 2 - 3 faint riblets all slightly nodulose at intersections with concentric lines; median area with widely spaced oblique lines; posterior area weakly sulcate, 2 posterior dorsa ribs, 1 riblet in sulcus and 2 ribs at junction with median area all with erect widely spaced scales. Hinge with numerous small teeth in two series. Ligament internal. Colour white, only dead shells seen.

Red Sea. Aden.