Lithopoma is a genus of medium-sized to large sea snails with a calcareous operculum, marine gastropod mollusks in the subfamily Turbininae of the family Turbinidae, the turban snails.

[2] The elevated, imperforate shell has a turbinate or trochiform shape.

with a plicate spire that is flat or concave below.

The operculum is oval, outside coarsely granulose, and either simply convex or with a curved spiral rib with its terminations connected by a straight one.

[3] This genus occurs in the Caribbean Sea, the Gulf of Mexico and off the Lesser Antilles.