Bythinella vesontiana is a species of very small freshwater snail, an aquatic gastropod mollusk in the family Bythinellidae.
This species is endemic to France.
References
Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16th, 2017. [details] OpenAccess publication
External links Bernasconi, R. (1989). Die Bythinella der Süd- und West-Schweiz und von Ost-Frankreich (Gastropoda: Prosobranchia: Hydrobioidea). Folia Malacologica. 3: 33-54