MolluscaBase eds. (2025). MolluscaBase. Gyraulus trolli (Sauerzopf, 1953) †. Accessed through: Neubauer, T.A.; Harzhauser, M.; Kroh, A.; Georgopoulou, E.; Mandic, O. (2014) Freshwater Gastropods of the European Neogene database (FreshGEN) at: https://www.marinespecies.org/freshgen/aphia.php?p=taxdetails&id=822444 on 2025-05-17
Neubauer, T.A.; Harzhauser, M.; Kroh, A.; Georgopoulou, E.; Mandic, O. (2014). Freshwater Gastropods of the European Neogene database (FreshGEN). Gyraulus trolli (Sauerzopf, 1953) †. Accessed at: https://marinespecies.org/freshgen/aphia.php?p=taxdetails&id=822444 on 2025-05-17
original description(ofPlanorbis (Gyraulus) trolli Sauerzopf, 1953 †)Sauerzopf, F. (1953). Die Planorbidae aus dem Pannon des Alpenostrandes. <em>Burgenländische Heimatblätter.</em> 15(2): 49-66. page(s): 58, pl. 7, figs 1a-c [details] Available for editors [request]