Species that contain: Hassar and orestis [ 3 ] records

notospilus, Hemidoras Eigenmann [C. H.] 1912:196, Pl. 19 (fig. 2) [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Crab Falls, Essequibo River, Guyana. Holotype (unique): FMNH 53184 [ex CM 1623]. Type catalog: Henn 1928:74 [ref. 12305], Ibarra & Stewart 1987:44 [ref. 12367], Ferraris 2007:171 [ref. 29155]. Appeared first as name only in Eigenmann 1910:394 [ref. 1224]. •Valid as Hassar notospilus (Eigenmann 1912) -- (Burgess 1989:223 [ref. 12860]). •Synonym of Hassar orestis (Steindachner 1875) -- (Sabaj & Ferraris in Reis et al. 2003:461 [ref. 27061], Ferraris 2007:171 [ref. 29155], Birindelli et al. 2011:526 [ref. 31519]). Current status: Synonym of Hassar orestis (Steindachner 1875). Doradidae: Doradinae. Habitat: freshwater.

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]). Current status: Valid as Hassar orestis (Steindachner 1875). Doradidae: Doradinae. Distribution: South America: Amazon, Orinoco and Essequibo River basins (Bolivia, Brazil, Ecuador, Colombia, Guyana, Peru and Venezuela). Habitat: freshwater.

ucayalensis, Hassar Fowler [H. W.] 1940:228, Figs. 15-17 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 91 (for 1939); ref. 1432] Contamana, Río Ucayali basin, Peru. Holotype (unique): ANSP 68647. Type catalog: Böhlke 1984:100 [ref. 13621], Ferraris 2007:171 [ref. 29155]. •Valid as Hassar ucayalensis Fowler 1940 -- (Burgess 1989:223 [ref. 12860]). •Questionably a synonym of Hassar orestis (Steindachner 1875) -- (Sabaj & Ferraris in Reis et al. 2003:461 [ref. 27061], Ferraris 2007:171 [ref. 29155], Birindelli et al. 2011:526 [ref. 31519]). Current status: Synonym of Hassar orestis (Steindachner 1875). Doradidae: Doradinae. Habitat: freshwater.