original description
(of Valvata (Cincinna) discors 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): 133 [details]
basis of record
Glöer, P. (2002). <i>Die Tierwelt Deutschlands, 73. Teil: Die Süßwassergastropoden Nord- und Mitteleuropas: Bestimmungsschlüssel, Lebensweise, Verbreitung</i>. <em>Hackenheim (Conchbooks).</em> 1–327.
page(s): 193, textfig. 222 [details]
additional source
Glöer, P. (2019). <i>The freshwater gastropods of the West-Palaearctis</i>. Volume 1. Fresh- and brakish waters except spring and subterranean snails. Identification key, anatomy, ecology, distribution. Published by the author. 399 pp.
page(s): 205, textfig. 257 [details]
From editor or global species database
Type locality Sweden, Lake Ringsjön in the province Skania [details]