jacunda, Bryconamericus Fowler [H. W.] 1913:555, Fig. 17 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 65; ref. 1389] Madeira River, about 200 miles east of 62°20'W, Rondônia, near Porto Velho, Brazil. Holotype (unique): ANSP 39292. Type catalog: Böhlke 1984:49 [ref. 13621]. •Valid as Bryconamericus jacunda Fowler 1913 -- (Román-Valencia 2003:24 [ref. 26840]). •Mention -- (Ferreira & Lima 2006:637 [ref. 28919]). •Valid as Knodus jacunda (Fowler 1913) -- (Thomaz et al. 2015:Add. 5 [ref. 33893], Deprá et al. 2021:24 [ref. 38180]). •Synonym of Knodus smithi (Fowler 1913) -- (Silva in Reis et al. 2003:144 [ref. 27061], Ferreira 2024:214 [ref. 40817]). Current status: Synonym of Knodus smithi (Fowler 1913). Characidae: Stevardiinae. Habitat: freshwater.