Alvania glabra

Alvania glabra is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.

Description
The length of the shell attains 3.17 mm.

(Original description) The white shell is smooth. It contains four whorls. They show on the right side a sculptured line.

Distribution
This species occurs in the Plymouth Sound, Great Britain.