siebenthalae, Brycon Eigenmann [C. H.] 1912:372, Pl. 54 (fig. 3) [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Mud Creek, Aruka River, Guyana. Holotype (unique): FMNH 53353 [ex CM 1819]. Type catalog: Henn 1928:60 [ref. 12305], Ibarra & Stewart 1987:19 [ref. 12367]. •Status uncertain -- (Howes 1982:44 [ref. 14201]). •Synonym of Brycon amazonicus (Agassiz 1829) -- (Lima in Reis et al. 2003:175 [ref. 27061], Lima 2017:112 [ref. 35071]). Current status: Synonym of Brycon amazonicus (Agassiz 1829). Bryconidae: Bryconinae. Habitat: freshwater.