albiscopus, Myletes Cope [E. D.] 1872:267, Pl. 12 (fig. 1) [Proceedings of the Academy of Natural Sciences of Philadelphia v. 23; ref. 921] Ambyiacu River, Peru. Lectotype: ANSP 8021. Paralectotypes: ANSP 8014-20 (7), 8022 (1). Type catalog: Böhlke 1984:42 [ref. 13621] as holotype and paratypes. Lectotype established by Fowler 1907:475 [ref. 1374]. Appeared first as name only in Cope 1871:55 [ref. 19538]. •Synonym of Mylossoma duriventre (Cuvier 1818) -- (Taphorn 1992:286 [ref. 23654], 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]). •Valid as Mylossoma albiscopum (Cope 1872) -- (Mateussi et al. 2018:280 [ref. 35820], Valdiviezo-Rivero et al. 2020:318 [ref. 37420], Meza-Vargas et al. 2021:17 [ref. 39298], Ota et al. 2024:416 [ref. 40817]). Current status: Valid as Mylossoma albiscopum (Cope 1872). Serrasalmidae: Colossomatinae. Distribution: South America: widespread across the Amazon and Orinoco basins (Ecuador, Peru, Bolivia, Brazil, Colombia and Venezuela). Habitat: freshwater.