planiceps, Platystoma Spix [J. B. von] & Agassiz [L.] 1829:25, Pl. 12 [Selecta genera et species piscium quos in itinere per Brasiliam; ref. 13] Amazon River basin, Solimões, Rio Negro. Lectotype (?): MNHN 0000-0811. Type information: Kottelat 1988:84 [ref. 13380]. Type catalog: Ferraris 2007:343 [ref. 29155]. As Sorubim pirauáca on plate. See Ferraris 2007:343 [ref. 29155] for issues of priority of names and synonyms for this species. •Valid as Sorubimichthys planiceps (Spix & Agassiz 1829) -- (Ortega & Vari 1986:15 [ref. 9708], Burgess 1989:282 [ref. 12860], Burgess & Finley 1996:166 [ref. 22901], Littmann et al. 2000:902 [ref. 25063], Littmann et al. 2001:2 [ref. 25400], Lundberg & Littmann in Reis et al. 2003:442 [ref. 27061], López et al. 2003:61 [ref. 27366], Menni 2004:83 [ref. 28131], Ferraris 2007:343 [ref. 29155], Barriga Salazar 2014:115 [ref. 35745], Sarmiento et al. 2014:174, 192 [ref. 35004], DoNascimiento et al. 2017:94 [ref. 35633], Grant 2021:137 [ref. 38702], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Sorubimichthys planiceps (Spix & Agassiz 1829). Pimelodidae. Distribution: South America: Amazon and Orinoco river basins (Argentina, Bolivia, Brazil, Colombia, Ecuador, Peru and Venezuela). Habitat: freshwater.