hilarii, Pimelodus Valenciennes [A.] in Cuvier & Valenciennes 1840:180 [Histoire naturelle des poissons v. 15; ref. 1008] Río São Francisco, Brazil. Lectotype: MNHN A-9415 (dry). Paralectotypes: MNHN A-9414 (1, dry) Brazil, A-9416 (1, dry) Brazil, B-0679 (1) Uruguay. Type catalog: Bertin & Estève 1950:56 [ref. 19575], Ferraris 2007:200 [ref. 29155]. Lectotype selected by Silfvergrip 1996:14, 147 [ref. 22347]. •Valid as Pimelodus hilarii Valenciennes 1840 -- (Burgess 1989:278 [ref. 12860]). •Mention -- (Britski et al. 1998:98 [ref. 24147]). •Synonym of Rhamdia quelen (Quoy & Gaimard 1824) -- (Silfvergrip 1996:95 [ref. 22347], Britski 2001:20 [ref. 26046], Bockmann & Guazzelli in Reis et al. 2003:424 [ref. 27061], López et al. 2003:63 [ref. 27366], Ferraris 2007:200 [ref. 29155], Litz & Koerber 2014:21 [ref. 33622], Mirande & Koerber 2015:34 [ref. 35117], Koerber et al. 2017:52 [ref. 35267]). Current status: Synonym of Rhamdia quelen (Quoy & Gaimard 1824). Heptapteridae: Rhamdiinae. Habitat: freshwater, brackish.