Avenionia roberti is a species of minute freshwater snail with a gill and an operculum, an aquatic gastropod mollusk or micromollusk in the family Hydrobiidae.
A. roberti occurs in Germany, where it is considered critically endangered (vom Aussterben bedroht),[2] Belgium and the Netherlands.[1][3]
A. roberti inhabits groundwaters in karst areas.[1]
Avenionia roberti is a species of minute freshwater snail with a gill and an operculum, an aquatic gastropod mollusk or micromollusk in the family Hydrobiidae.
