Marginella helmatina

Marginella helmatina is a species of sea snail, a marine gastropod mollusk in the family Marginellidae, the margin snails.
;Subspecies:Marginella helmatina cumingiana Petit de la Saussaye, 1841

Description

The length of the shell attains 20 mm.

Distribution

This marine species occurs off Gabon and São Tomé and Príncipe.