trigintaradiatus, Salmo Larrañaga [D. A.] 1923:388 [Escritos de Don Dámaso Antonio Larrañaga v. 2; ref. 22561] Uruguay. Originally as Salmo 30-radiatus. Also appeared in Devincenzi 1925:314, 322 [ref. 20322]; Devincenzi treated as a synonym of Myletes orbignyanus Valenciennes 1850. •Synonym of Mylossoma duriventre (Cuvier 1818) -- (Jégu in Reis et al. 2003:187 [ref. 27061], Litz & Koerber 2014:9 [ref. 33622], Mirande & Koerber 2015:15 [ref. 35117], Koerber et al. 2017:22 [ref. 35267]). •Species inquirenda in Serrasalmidae -- (Ota et al. 2024:432 [ref. 40817]). Serrasalmidae. Habitat: freshwater.