Cratidentium tiberianum

Cratidentium tiberianum is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.

Description
The size of the shell varies between 4 mm and 9 mm. The imperforate, rather thin shell has a conical shape. It is olivaceous with nacreous reflections. It is ornamented with flexuous longitudinal grayish streaks. The spire is moderately elevated. The suture is impressed. The 5½ to 6 whorls are subplanate with the body whorl obtusely angulated. The base of the shell is obsoletely striated and covered with spots of grayish-white. The aperture is oblique, quadrate, inside white and nacreous. The columella is somewhat expanded. The outer lip is simple and acute.

Distribution
This marine species is endemic to Australia and occurs off New South Wales, Victoria, South Australia and Tasmania,