Megalonema Eigenmann [C. H.] 1912:130, 150 Neut. Megalonema platycephalum Eigenmann 1912. Type by original designation (also monotypic). Genus and species first appeared as name only in Eigenmann 1910:383 [ref. 1224], not available. •Valid as Megalonema Eigenmann 1912 -- (Stewart 1986:669 [ref. 5211], Burgess 1989:275 [ref. 12860], Lundberg et al. 1991:842 [ref. 19175], de Pinna 1998:314 [ref. 23847], Britski et al. 1999:104 [ref. 24147], Lundberg & Littmann in Reis et al. 2003:437 [ref. 27061], Ferraris 2007:335 [ref. 29155], Lundberg & Dahdul 2008:440 [ref. 29853], Lundberg et al. 2011:160, 169 [ref. 31593], Bertaco et al. 2016:420 [ref. 34561], Grant 2021:76 [ref. 38702]). Current status: Valid as Megalonema Eigenmann 1912. Pimelodidae.