Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Genera in the family or subfamily Xenurobryconinae: [ 6 ] records

Iotabrycon Roberts [T. R.] 1973:491 Masc. Iotabrycon praecox Roberts 1973. Type by original designation (also monotypic). •Valid as Iotabrycon Roberts 1973 -- (Géry 1977:359 [ref. 1597], Weitzman & Fink 1985:1 et seq. [ref. 5203], Weitzman & Menezes 1998:187 [ref. 23843], Weitzman in Reis et al. 2003:224 [ref. 27061], Mirande 2009:8 [ref. 30267] in Characidae, Stevardiinae, Zarske 2010:84 [ref. 30919], Mirande 2010:533 [ref. 31006], Thomaz et al. 2015:4 [ref. 33893] Stevardiinae, tribe Xenurobryconini, Melo et al. 2024:8 [ref. 41541] in Xenurobryconinae). Current status: Valid as Iotabrycon Roberts 1973. Stevardiidae: Xenurobryconinae.

Microcaelurus Miranda Ribeiro [A. de] 1939:362 Masc. Microcaelurus odontocheilus Miranda Ribeiro 1939. Type by monotypy. A translation of the original description may be found in Myers & Böhlke 1956:11-12 [ref. 5937]. •Synonym of Tyttocharax Fowler 1913. Current status: Synonym of Tyttocharax Fowler 1913. Stevardiidae: Xenurobryconinae.

Ptychocharax Weitzman [S. H.], Fink [S. V.], Machado-Allison [A.] & Royero [R.] 1994:49 Masc. Ptychocharax rhyacophila Weitzman, Fink, Machado-Allison & Royero 1994. Type by original designation (also monotypic). •Valid as Ptychocharax Weitzman, Fink, Machado-Allison & Royero 1994 -- (Weitzman & Menezes 1998:187 [ref. 23843], Weitzman in Reis et al. 2003:227 [ref. 27061], Mirande 2009:8 [ref. 30267] in Characidae, Stevardiinae, Zarske 2010:84 [ref. 30919] but misspelled Ptychobrycon on p. 84, Mirande 2010:533 [ref. 31006], Thomaz et al. 2015:4 [ref. 33893] Stevardiinae, probably in tribe Xenurobryconini, Melo et al. 2024:8 [ref. 41541] in Xenurobryconinae). Current status: Valid as Ptychocharax Weitzman, Fink, Machado-Allison & Royero 1994. Stevardiidae: Xenurobryconinae.

Scopaeocharax Weitzman [S. H.] & Fink [S. V.] 1985:56 Masc. Tyttocharax rhinodus Böhlke 1958. Type by original designation. •Valid as Scopaeocharax Weitzman & Fink 1985 -- (Weitzman & Menezes 1998:187 [ref. 23843], Weitzman in Reis et al. 2003:227 [ref. 27061], Mirande 2009:8 [ref. 30267] in Characidae, Stevardiinae, Zarske 2010:84 [ref. 30919], Mirande 2010:533 [ref. 31006], Thomaz et al. 2015:8 [ref. 33893] in Stevardiinae, tribe Xenurobryconini, Melo et al. 2024:8 [ref. 41541] in Xenurobryconinae). Current status: Valid as Scopaeocharax Weitzman & Fink 1985. Stevardiidae: Xenurobryconinae.

Tyttocharax Fowler [H. W.] 1913:563 Masc. Tyttocharax madeirae Fowler 1913. Type by original designation (also monotypic). •Valid as Tyttocharax Fowler 1913 -- (Géry 1977:362 [ref. 1597], Weitzman & Fink 1985:1 et seq. [ref. 5203], Weitzman & Ortega 1995 [ref. 21874], Weitzman & Menezes 1998:187 [ref. 23843], Weitzman in Reis et al. 2003:228 [ref. 27061], Mirande 2009:8 [ref. 30267] in Characidae, Stevardiinae, Zarske 2010:83 [ref. 30919], Mirande 2010:533 [ref. 31006], Oliveira et al. 2011:16 [ref. 31685], Román-Valencia et al. 2012:519 [ref. 32203], Thomaz et al. 2015:8 [ref. 33893] Stevardiinae, tribe Xenurobryconini, Melo et al. 2024:8 [ref. 41541] in Xenurobryconinae). Current status: Valid as Tyttocharax Fowler 1913. Stevardiidae: Xenurobryconinae.

Xenurobrycon Myers [G. S.] & Miranda Ribeiro [P. de] 1945:2 Masc. Xenurobrycon macropus Myers & Miranda Ribeiro 1945. Type by original designation (also monotypic). •Valid as Xenurobrycon Myers & Miranda Ribeiro 1945 -- (Weitzman & Fink 1985:1 et seq. [ref. 5203], Weitzman 1987 [ref. 5982], Weitzman & Menezes 1998:187 [ref. 23843], Britski et al. 1999:48 [ref. 24147], Weitzman in Reis et al. 2003:228 [ref. 27061], Moreira 2005:855 [ref. 28474], Mirande 2009:8 [ref. 30267] in Characidae, Stevardiinae, Zarske 2010:84 [ref. 30919], Mirande 2010:533 [ref. 31006], Oliveira et al. 2011:16 [ref. 31685], Thomaz et al. 2015:8 [ref. 33893] Stevardiinae, tribe Xenurobryconini, Mendonça et al. 2016:[1] [ref. 34350], Melo et al. 2024:8 [ref. 41541] in Xenurobryconinae). Current status: Valid as Xenurobrycon Myers & Miranda Ribeiro 1945. Stevardiidae: Xenurobryconinae.