Avenionia roberti is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk or micromollusk in the family Hydrobiidae.
Distribution and conservation status A. roberti occurs in Germany, where it is considered critically endangered (vom Aussterben bedroht),Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 106, Belgium and the Netherlands.
Habitat and ecology A. roberti inhabits groundwaters in karst areas.
References
Boeters, H. D. (1967). Bythinella brevis auct. und die Gattung Avenionia Nicolas 1882 (Prosobranchia, Hydrobiidae). Archiv für Molluskenkunde. 96(3/6): 155-165. Frankfurt am Main. Glöer P. (2022). The freshwater gastropods of the West Palaearctis. Identification key, Anatomy, Ecology, Distribution. III. Hydrobiidae. Hetlingen: The author. 528 pp.
External links Gbif.org: images