kneri, Oxydoras Bleeker [P.] 1862:5 [Atlas ichthyologique des Indes Orientales Néêrlandaises v. 2; ref. 393] Cuiabá, Brazil. Holotype: NMW. Type catalog: Boeseman 1972:315 [ref. 19698], Ferraris 2007:175 [ref. 29155]. Based on Doras niger of Kner 1855 (not Valenciennes). Also in Bleeker 1863:12, 14 [ref. 16997]. Treated as knerii and "name only" by Eigenmann and Eigenmann 1890. •Valid as Oxydoras kneri Bleeker 1862 -- (Burgess 1989:224 [ref. 12860], Gómez & Chebez 1996:57 [ref. 23791], Sverlij et al. 1998:48 [ref. 27632], Britski et al. 1999:120 [ref. 24147], López et al. 2003:54 [ref. 27366], Sabaj & Ferraris in Reis et al. 2003:464 [ref. 27061], Menni 2004:82 [ref. 28131], Ferraris 2007:175 [ref. 29155], Birindelli 2014:536 [ref. 33501], Litz & Koerber 2014:17 [ref. 33622], Sarmiento et al. 2014:154, 190 [ref. 35004], Mirande & Koerber 2015:28 [ref. 35117], Nión et al. 2016:33 [ref. 35565], Koerber et al. 2017:44 [ref. 35267], Reis et al. 2020:465 [ref. 38364], Loureiro et al. 2023:126 [ref. 40506]). Current status: Valid as Oxydoras kneri Bleeker 1862. Doradidae: Doradinae. Distribution: South America: Paraná River basin (Argentina, Bolivia, Brazil, Paraguay and Uruguay). Habitat: freshwater.