Aliptina acheronae is a species of very small sea snails, marine gastropod molluscs in the family Cerithiopsidae, and the only species in the genus Aliptina.
Cerithiopsidae are a family of very small and minute sea snails, marine gastropod molluscs or micromollusks in the informal group Ptenoglossa.
Cerithiopsidella blacki is a species of very small sea snails, marine gastropod molluscs in the family Cerithiopsidae.
Cerithiopsilla gaussiana is a species of very small sea snails, marine gastropod molluscs in the family Cerithiopsidae.
Cerithiopsis arga is a species of very small sea snails, marine gastropod molluscs in the family Cerithiopsidae.