Liratoniella is a genus of small sea snails, marine gastropod mollusks in the family Eatoniellidae. It is monotypic, being represented by the single species Liratoniella bicarinata. L. bicarinata is endemic to New Zealand, found off the coast of Three Kings Islands and on Middlesex Bank, living on Bryozoan substrates.
In the original description, Ponder described L. bicarinata as below:
The animal is unpigmented, with large eyes and a short bliobed snout. The holotype of the species has a height of , and a width of .
The genus and species were first described by Winston Ponder in 1965 in the same paper. The holotype of the species is held by the National Institute of Water and Atmospheric Research.
This marine species is endemic to New Zealand and occurs off Three Kings Islands and on Middlesex Bank, at a depth ranging between . The species is known to live on Bryozoan substrates.