Cynopotamus Valenciennes [A.] in Cuvier & Valenciennes 1850:317 Masc. Hydrocyon argenteus Valenciennes 1847. Type by subsequent designation. Type designated by Eigenmann 1912:403 [ref. 1227]. •Valid as Cynopotamus Valenciennes 1850 -- (Menezes 1976:22 [ref. 7073] in subfamily Cynopotaminae, Géry 1977:306 [ref. 1597], Menezes 1987:1 [ref. 8072], Taphorn 1992:179 [ref. 23654], Braga 1994:7 [ref. 27878], Britski et al. 1999:52 [ref. 24147], Lucena and Menezes in Reis et al. 2003:202 [ref. 27061], Menezes 2007:55 [ref. 29297], Mirande 2009:7 [ref. 30267] in Characidae, Characinae, Mirande 2010:490 [ref. 31006], Oliveira et al. 2011:15 [ref. 31685], Sarmiento et al. 2014:184 [ref. 35004], Bertaco et al. 2016:413 [ref. 34561], Melo et al. 2024:16 [ref. 41541] in Characinae). Current status: Valid as Cynopotamus Valenciennes 1850. Characidae: Characinae.