Shell small, biconical, solid and characterized by an usually eroded spire and sculptured with some spiral ribs at base of last whorl. Aperture narrow elongate and white outer lip thickened with many denticles at the central callus of inner margin. Parietal wall callouse and white, columella plicate. Color black with wavy axial stripes or small white dots. Distribution:Vung Tau, Ninh Thuan, Ly Son Island, etc. Size: 13-20 mm