Acrista tuberculifera

Acrista nana is a species of sea snails, marine gastropod mollusks in the family Clathurellidae.

Description
The length of the shell varies between 4 mm and 5 mm.

(Original description in Latin) The shell is small. The tuberculous lyrae often disappear in the interstices. The tubercles are less lenticular and are rather round.

Distribution
This marine species occurs off the Loyalty Islands.