Cyclostrema solariellum

Cyclostrema solariellum is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.

Description
The height of the shell attains 0.5 mm and its diameter 1.5 mm. The thin, whitish shell is depressed and a deep umbilicus. It contains four whorls with the last one rapidly increasing in size. The aperture is ovate. The outer lip is simple. It has a double row of gemmules on the lirae below the sutures, and at the base, around the umbilicus.

Distribution
This marine species occurs off Mumbai, India.