Bithynia transsilvanica is a species of freshwater snail, an aquatic prosobranch gastropod mollusk in the family Bithyniidae.
Height of shell: 9–11 mm. Width of shell: 5–6 mm.
Freshwater species.
It was thought to be locally extinct in Moravia and was considered as regionally extinct in the Czech Republic (RE). There were rediscovered populations in southern Moravia near Lednice and from Nesyt pond in 2008. It was also discovered in Bohemia as a non-indigenous.
Freshwater species.
