Hydrocenidae is a poorly-known taxonomic family of minute land snails or cave snails with an operculum, terrestrial gastropod mollusks or micromollusks in the superfamily Hydrocenoidea.

These tiny cave snails are not closely related at all to the air-breathing or pulmonate land snails. These hydrocenid snails are more closely related to the marine and freshwater snails known as nerites, the Neritidae.

The shells are minute, ovate, conical-spired, with a semi-circular calcareous operculum.

Genera and species within the family Hydrocenidae


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