Dillwynella planorbis

Dillwynella planorbis is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.

Description
The genus Dillwynella is a classification of various sea snails that Dillwynella Planorbis belongs to. Being a mollusk, the normal height of the shell attains 3 mm and contains various whirls.

Distribution
This marine species occurs off Japan.