MolluscaBase eds. (2025). MolluscaBase. Bithynia glabra helvetica (Wenz, 1930) †. Accessed through: Neubauer, T.A.; Harzhauser, M.; Kroh, A.; Georgopoulou, E.; Mandic, O. (2014) Freshwater Gastropods of the European Neogene database (FreshGEN) at: https://marinespecies.org/freshgen/aphia.php?p=taxdetails&id=824218 on 2025-05-17
Neubauer, T.A.; Harzhauser, M.; Kroh, A.; Georgopoulou, E.; Mandic, O. (2014). Freshwater Gastropods of the European Neogene database (FreshGEN). Bithynia glabra helvetica (Wenz, 1930) †. Accessed at: https://marinespecies.org/freshgen/aphia.php?p=taxdetails&id=824218 on 2025-05-17
original description(ofBythinia gracilis var. curta Locard, 1893 †)Locard, A. (1893). Monographie des mollusques tertiaires terrestres et fluviatiles de la Suisse. Deuxième partie. <em>Mémoires de la Société Paléontologique Suisse.</em> 19, 131-275. page(s): 199, pl. 10, fig. 7 [details]