macrocephalus, Silurus Larrañaga [D. A.] 1923:386 [Escritos de Don Dámaso Antonio Larrañaga v. 2; ref. 22561] Uruguay. No types known. Corresponds to Silurus mangrullo on p. 377 as name only. Also appeared in Devincenzi 1925:310, 322, 310 [ref. 20322]; Devincenzi treated as a synonym of Pseudoplatystoma coruscans (Spix & Agassiz 1829). •Synonym of Pseudoplatystoma corruscans (Spix & Agassiz 1829) -- (Lundberg & Littmann in Reis et al. 2003:441 [ref. 27061], Buitrago-Suárez & Burr 2007:15 [ref. 29327], Litz & Koerber 2014:19 [ref. 33622], Mirande & Koerber 2015:32 [ref. 35117], Koerber et al. 2017:49 [ref. 35267], Grant 2021:116 [ref. 38702] with question). Current status: Synonym of Pseudoplatystoma corruscans (Spix & Agassiz 1829). Pimelodidae. Habitat: freshwater.