megalops, Iheringichthys Eigenmann [C. H.] & Ward [D. P.] in Eigenmann, McAtee & Ward 1907:115, Pl. 32 (figs. 3-4) [Annals of the Carnegie Museum v. 4 (no. 2) (art. 7); ref. 1261] Bahia Negra, Río Paraguay, Paraguay. Holotype (unique): CAS 63631 [ex IU 10126]. Non-types: ZMB 16875 (2). Type catalog: Ferraris 2007:334 [ref. 29155]. See Gómez & Chebez 1996:59 [ref. 23791], •Valid as Iheringichthys megalops Eigenmann & Ward 1907 -- (Burgess 1989:280 [ref. 12860], Lundberg & Littmann in Reis et al. 2003:437 [ref. 27061], Ferraris 2007:334 [ref. 29155], Azpelicueta & Britski 2012:45 [ref. 31850], Mirande & Koerber 2015:31 [ref. 35117], Koerber et al. 2017:48 [ref. 35267]). Current status: Valid as Iheringichthys megalops Eigenmann & Ward 1907. Pimelodidae. Distribution: Upper río Paraguay, Paraguay and Argentina. Habitat: freshwater.