Chlorostoma is a genus of sea snails, marine gastropod mollusks in the family Tegulidae.

[2] The solid, conical shell is umbilicate or imperforate.

The arcuate columella is above continued in a callus over or halfway around the umbilicus, which when open shows one or more spiral ribs inside.

The base of the columella shows two or more denticles.

[3] Species within the genus Chlorostoma include: