Acrobrycon Eigenmann [C. H.] & Pearson [N. E.] in Pearson 1924:44 Masc. Tetragonopterus ipanquianus Cope 1877. Type by original designation (also monotypic). •Valid as Acrobrycon Eigenmann & Pearson 1924 -- (Géry 1977:358 [ref. 1597], Weitzman & Fink 1985:1 et seq. [ref. 5203], Weitzman et al. 1988:383 [ref. 13557], Weitzman & Menezes 1998:184 [ref. 23843], Weitzman in Reis et al. 2003:223 [ref. 27061], Mirande 2009:8 [ref. 30267] in Characidae, Stevardiinae, Mirande 2010:533 [ref. 31006], Menezes & Weitzman 2011:59 [ref. 31289], Arcila et al. 2014:605 [ref. 33096], Sarmiento et al. 2014:183 [ref. 35004], Thomaz et al. 2015:8 [ref. 33893] in Stevardiinae, tribe Hemibryconini, Thomaz et al. 2015: Add. 5 [ref. 33893], Melo et al. 2024:10 [ref. 41541] in Hemibryconinae). Current status: Valid as Acrobrycon Eigenmann & Pearson 1924. Stevardiidae: Hemibryconinae.