Shell small, solid, fusiform, angled at the shoulder, contracted at the sutures and at the base. Colour crystalline white, with or without a dorsal blot and zone of ochraceous-orange only on the last whorl. Whorls seven, including a smooth helicoid tip. Sculpture: The radials are wide spaced, prominent, flexuous, perpendicular, and continuous ribs, which diminish at the shoulder and gradually vanish on the base; on the antepenultimate there are ten, and on the last whorl eight, including the varix ; the spirals are extremely fine and close threads, evenly distributed over the whole surface, and microscopically beaded. Aperture: The mouth is vertical, and rather wide; from the varix a thin lip projects, curving forwards at the periphery,and followed beneath by an insinuation; underneath the varix the throat is finely striated; sinus broad and shallow; canal short; on the inner lip a small tubercle rises opposite the sinus, and the columella is smooth. Length 7.5 mm., breadth 3 mm.

Australia. Queensland. Lizard Island.