Microstelma is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Zebinidae.

[1] (Original description in Latin) The shell is turreted-ovate with a narrow slit and features a conical spire.

The whorls are adorned with prominent longitudinal folds.

The aperture is oblong, extended anteriorly, and subtly channeled.

[2] Species within the genus Microstelma include: