Calophysus Müller [J.] & Troschel [F. H.] in Müller 1843:318 Masc. Pimelodus macropterus Lichtenstein 1819. Type by subsequent designation. Apparently appeared first as name only in Müller & Troschel 1842:79 [not researched]. Earliest type designation apparently by Bleeker 1862:12 [ref. 393]. Spelled Callophysus by Müller & Troschel 1848:1 [ref. 3073], Eigenmann & Allen 1942:87 [ref. 1246] and others. •Valid as Calophysus Müller & Troschel 1843 -- (Stewart 1986:665 [ref. 5211], Burgess 1989:275 [ref. 12860], Lundberg et al. 1991:842 [ref. 19175], de Pinna 1998:314 [ref. 23847], Lundberg & Littmann in Reis et al. 2003:435 [ref. 27061], Ferraris 2007:332 [ref. 29155] dated to 1842, Lundberg et al. 2011:165 [ref. 31593], Grant 2021:51 [ref. 38702]). Current status: Valid as Calophysus Müller & Troschel 1843. Pimelodidae.