Hauffenia lucidula (also known as Horatia lucidula) is a species of small freshwater snail with an operculum, an aquatic gastropod mollusc or micromollusc in the family Hydrobiidae.

[2] This species is endemic to Bulgaria, where it is known from one locality in South Dobrudza on the coast of the Black Sea.

2009), this species has not been found since 1960, and therefore the current status is uncertain.

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