The spire is moderately produced, acute, and less than half the length of the shell.

The shell contains six whorls, convex, furnished with close transverse granular ribs.

The body whorl is large, ventricose, and marked with coarse, remote, revolving impressed lines, and fine longitudinal striae and wrinkles.

The outer lip is thick, somewhat dilated, and furnished with six or seven intramarginal tubercular teeth, sinuated at its junction with the body whorl.

Colour of the animal: dark greenisb-slate, and closely punctured with black and white.