Alvania cranchiana

Alvania cranchiana 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. The suture is moderately deep. The five whorls are very smooth.

Distribution
This species occurs at the Devonshire and Cornish coasts, Great Britain.