The maximum recorded
shell length is 15 mm. (Original description) The white, ovate conic shell is turrited. It is composed of very numerous crowded slender ribs, which become obsolete on the
body whorl, and strong crowded spiral striae, which become larger on the body whorl. The
apex is acute. The
spire shows rectilinear outlines. It contains ten
whorls, nearly planulate, slightly contracted next below the suture, which is moderately impressed. The
aperture is very effuse. The outer lip is very much advanced a little below the middle, well excurved, moderately thickened. == Habitat ==