orestis, Oxydoras Steindachner [F.] (ex Agassiz) 1875:138 [1], Pl. 1 [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 71 (no. 1); ref. 15634] Rio Iça, upper Amazon River, Brazil. Lectotype: NMW 45428. Paralectotypes: (several) ?MCZ; NMW 45427 (1), 45428 (2), 45429 (2), 45430 (1), 60015 (1 skeleton), 78651 (1). Type catalog: Ferraris 2007:171 [ref. 29155]. ` •Valid as Hassar orestis (Steindachner 1875) -- (Burgess 1989:223 [ref. 12860], Sabaj & Ferraris in Reis et al. 2003:461 [ref. 27061], Ferraris 2007:171 [ref. 29155], Birindelli et al. 2011:525 [ref. 31519], Sabaj Pérez & Birindelli 2013:150 [ref. 32562], Barriga Salazar 2014:115 [ref. 35745], Birindelli 2014:538 [ref. 33501], DoNascimiento et al. 2017:88 [ref. 35633], Silvano et al. 2020:233 [ref. 38135], Meza-Vargas et al. 2021:22 [ref. 39298], Lasso et al. in Lasso & Morales-Betancourt 2022:146 [ref. 40783], Taphorn et al. 2022:46 [ref. 41297]). Current status: Valid as Hassar orestis (Steindachner 1875). Doradidae: Doradinae. Distribution: South America: Amazon, Orinoco and Essequibo River basins (Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru and Venezuela). Habitat: freshwater.