orthotaenia, Brycon Günther [A.] 1864:335 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Rio Cipo, Brazil. Holotype (unique): BMNH 1861.5.16,71 (half skin). •Valid as Brycon orthotaenia Günther 1864 -- (Howes 1982:38 [ref. 14201], Géry & Mahnert 1992:817 [ref. 27146], Lima in Reis et al. 2003:177 [ref. 27061], Lima 2004:282 [ref. 27858], Lima 2017:82 [ref. 35071], Silva et al. 2020:5 [ref. 37809]). Current status: Valid as Brycon orthotaenia Günther 1864. Bryconidae: Bryconinae. Distribution: South America: São Francisco River basin (Brazil). Habitat: freshwater.