Height 85 mm, breadth 37 mm. Shell thin but solid, pyriform, pure white. Spire rather high with angulated shoulder. Varices 8 per whorl carrying sharp and recurved spine at shoulder and 2-3 slightly raised ripples (7 on the body whorl) below. One or two rows of spines at the bottom of varices, spirally encircling the base of siphonal canal. Fasciole stepped because of terminals of varices. Aperture oval. Outer-lip with spines on the shoulder and lower lip, crenulated a little. Thin callus deposited from inner to columellar lips. Operculum horny. Radula of stenoglossate; centel quadrate with 2 strong cusps between which 2 smaller cusps present; lateral triangular with sharply curved tip.