Idiopyrgus

Idiopyrgus is a genus of freshwater snails with gills and an operculum, aquatic gastropod mollusks in the family Tomichiidae.

Distribution
The distribution of the genus Idiopyrgus includes Brazil.

Species
Species within the genus Idiopyrgus include:
 * Idiopyrgus adamanteus Salvador, Silva & Bichuette, 2022
 * Idiopyrgus brasiliensis (Rey, 1959)
 * Idiopyrgus minor Salvador, Silva & Bichuette, 2022
 * Idiopyrgus pilbryi F. Baker, 1913
 * Idiopyrgus rudolphi (F. Haas, 1938)
 * Idiopyrgus souleyetianus Pilsbry, 1911 - type species
 * Idiopyrgus walkeri Pilsbry, 1924

Malek (1983) noted that Idiopyrgus pilbryi and Idiopyrgus walkeri were described from shells only, but should stay valid until the anatomy of the soft parts is also elucidated.