Acremodontina carinata

Acremodontina carinata is a species of sea snail, a marine gastropod mollusk in the family Trochaclididae, the false top snails.

Description
The shell attains a length of 2.17 mm, its diameter 1.98 mm.

Distribution
This marine species is endemic to New Zealand and occurs off Three Kings Islands and north-eastern North Island.