sauron, Myloplus Pereira [V. D.], Ota [R. P.], Machado [V. N.], Collins [R. A.], Ândrade [M.], Garcia-Ayala [J. R.], Jégu [M.], Farias [I. P.] & Hrbek [T.] in Machado, Pereira, Ota, Collins, Ândrade, Garcia-Ayala et al. 2024:16, Figs. 6-8 [Neotropical Ichthyology v. 22 (no. 2): e230095; ref. 41210] Rio Xingu, below the Tamaracá waterfall, entrance on the right bank of the river, parallel to BR-230, Anapu municipality, Pará, Brazil, 03°07'48"S, 51°36'50"W. Holotype: INPA 40824. Paratypes: INPA, LBP, MNRJ, MUBIO, MZUSP. Plus additional non-type material. •Valid as Myloplus sauron Pereira, Ota, Machado, Collins, Ândrade, Garcia-Ayala, Jégu, Farias & Hrbek 2024. Current status: Valid as Myloplus sauron Pereira, Ota, Machado, Collins, Ândrade, Garcia-Ayala, Jégu et al. 2024. Serrasalmidae: Myleinae. Distribution: South America: Xingu River basin, Pará, Brazil. Habitat: freshwater.