Thalotia is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.

[1][2] The thick, solid shell is imperforate, elevated-conical, granulated or spirally ribbed.

The periphery is rounded or obtusely angular.

The outer lip is thick and crenulated within.

The columella is toothed at the base and subtruncated.