platyrhynchos, Platystoma Valenciennes [A.] in Cuvier & Valenciennes 1840:27 [Histoire naturelle des poissons v. 15; ref. 1008] No locality [Brazil]. Holotype (unique): MNHN 0000- 1203. Type catalog: Bertin & Estève 1950:58 [ref. 19575], Ferraris 2007:333 [ref. 29155]. •Valid as Hemisorubim platyrhynchos (Valenciennes 1840) -- (Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:282 [ref. 12860], Gómez & Chebez 1996:60 [ref. 23791] as platyrhynchus, Britski et al. 1999:105 [ref. 24147], Le Bail et al. 2000:92 [ref. 24549], Lundberg & Littmann in Reis et al. 2003:436 [ref. 27061], López et al. 2003:60 [ref. 27366] as platyrhynchus, Menni 2004:83 [ref. 28131], Ferraris 2007:333 [ref. 29155], Barriga Salazar 2014:114 [ref. 35745], Litz & Koerber 2014:18 [ref. 33622], Ramos et al. 2014:4 [ref. 35321], Sarmiento et al. 2014:166, 192 [ref. 35004], Mirande & Koerber 2015:31 [ref. 35117], Nión et al. 2016:33 [ref. 35565], DoNascimiento et al. 2017:93 [ref. 35633], Koerber et al. 2017:47 [ref. 35267], Reis et al. 2020:469 [ref. 38364], Grant 2021:65 [ref. 38702], Meza-Vargas et al. 2021:23 [ref. 39298], Koerber et al. 2022:60 [ref. 39235], Lasso in Lasso & Morales-Betancourt 2022:234 [ref. 40783], Taphorn et al. 2022:54 [ref. 41297], Cortés Hernández et al. 2023:457 [ref. 40760], Vieira et al. 2023:21 [ref. 40759], Limeira-Filho et al. 2024:7 [ref. 41573]). Current status: Valid as Hemisorubim platyrhynchos (Valenciennes 1840). Pimelodidae. Distribution: South America: Amazon, Maroni, Orinoco and Paraná River basins, and coastal rivers of northeastern Brazil (Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname and Uruguay). IUCN (2023): Least Concern. Habitat: freshwater.