Volvarina monilis

Volvarina monilis is a species of sea snail, a marine gastropod mollusk in the family Marginellidae, the margin snails.

The columella is four-plaited; above the plaits are additional denticulations.

The African tribes form necklaces of these shells.

For the purpose of stringing them a hole is made through the upper part of the body-whorl, apparently by rubbing.

[2] This marine species occurs off Senegal and Guinea; also in the Red Sea.