Heterocyclus
# Heterocyclus

Heterocyclus is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Hydrobiidae.

## Species

Species within the genus Heterocyclus include:

* Heterocyclus perroquini (Crosse, 1872)
* Heterocyclus petiti (Crosse, 1872)
