It is grey or dirty white, sometimes spotted with brown below the suture, or exhibiting one or two pale or whitish spiral lines.

The rest are granosely finely costate and transversely lirate and slightly convex at the sides.

The aperture is small, narrow and terminates anteriorly in a short, oblique, recurved siphonal canal.

The columella is covered with a callus bearing two small tubercles just below the middle.

The outer lip is externally thickened with a broadish varix, faintly sinuated above near the suture, armed within with seven strong lirae.