original description
(of Choanomphalus (Achoanomphalus) pygmaeus Lindholm, 1909) Lindholm, W. A. (1909). Die Mollusken des Baikal-Sees (Gastropoda et Pelecypoda). In: <i>Wissenschaftliche Ergebnisse einer Zoologischen Expedition nach dem Baikal-See, unter der Leitung des Prof. A. Korotneff 1900-1902</i>, 4: 1-104. , available online at https://www.biodiversitylibrary.org/page/13074710
page(s): 22, pl. 2, figs. 4-6 [details]
basis of record
Vinarski, M. V.; Kantor, Yu. I. (2016). Analytical catalogue of fresh and brackish water molluscs of Russia and adjacent countries. A. N. Severtsov Institute of Ecology and Evolution of Russian Academy of Science, Moscow, 544 pp.
page(s): 369 [details] Available for editors [request]
From editor or global species database
Type locality Type locality: Russia, western coast of the central Baikal Lake, near Berkhin (“Byrkin”) [details]