original description
(of Belgrandia (Belgrandiella) alzonae A. J. Wagner, 1928) Wagner, A. J. (1928). Studien zur Molluskenfauna der Balkanhalbinsel mit besonderer Berücksichtigung Bulgariens und Thraziens, nebst monographischer Bearbeitung einzelner Gruppen. <em>Prace Zoologiczne Polskiego Panstwowego Muzeum Przyrodniczego [Annales Zoologici Musei Polonici Historiae Naturalis].</em> 6 (4): 263-399, pl. 10-23. Warszawa.
page(s): 289-290, pl. 13 fig. 82-84 [details] Available for editors [request]
original description
(of Paludinella (Bythinella) pupula Westerlund, 1886) Westerlund, C. A. (1886). <i>Fauna der in der paläarctischen Region (...) lebenden Binnenconchylien</i>. VI. Fam. Ampullaridae, Paludinidae, Hydrobiidae, Melanidae, Valvatidae & Neritidae. Lund: Håkan Ohlsson. 156 + 13 (Register) pp. , available online at https://biodiversitylibrary.org/page/10887359
page(s): 60 [details]
basis of record
Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16th, 2017. [details]
new combination reference
Haase, M. (1994). Differentiation of selected species of <i>Belgrandiella</i> and the redefined genus <i>Graziana</i> (Gastropoda: Hydrobiidae). <em>Zoological Journal of the Linnean Society.</em> 111: 219-246. London., available online at https://doi.org/10.1111/j.1096-3642.1994.tb01484.x [details]
From editor or global species database
Type locality Austria, Carinthia in Lussnitz; Carniola (without a precise locality) [details]