Avenionia

Avenionia is a genus of small freshwater snails with a gill and an operculum, aquatic gastropod mollusk in the family Hydrobiidae.

Species
Species within the genus Avenionia include:
 * Avenionia berengueri
 * Avenionia bourguignati
 * Avenionia brevis (Draparnaud, 1805)
 * Avenionia ligustica
 * Avenionia parvula
 * Avenionia roberti Boeters, 1967