original description
(of Dreissena gnezdai Brusina, 1884 †) Brusina, S. (1884). Die Fauna der Congerienschichten von Agram in Kroatien. <em>Beiträge zur Paläontologie Österreich-Ungarns und des Orients.</em> 3: 125-187., available online at https://www.biodiversitylibrary.org/page/14548003
page(s): 183, pl. 27, figs 55-58 [details]
additional source
Andrusov, N. (1897). Ископаемые и живущие Dreissensidae Евразии [Iskopayemyye i zhivushchiye Dreissensidae Yevrazii / Fossile und lebende Dreissensidae Eurasiens]. Tipografiya M. Merkusheva, St. Petersburg, iv + 683 + [4] pp. + 20 pls.
page(s): 151 [details]
From editor or global species database
Classification Combination never explicitly established as such in the literature but implied. Starobogatov (1970) introduced Trigonipraxis for the group "Triangulares" of Andrusov (1897), which included Congeria gnezdai. Also Neubauer et al. (2020) implied the combination by discussing misidentifications and similar taxa. [details]