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 Colossomatinae: [ 7 ] records

Colossoma Eigenmann [C. H.] & Kennedy [C. H.] 1903:530 Neut. Myletes oculus Cope 1872. Type by original designation (in footnote). Also appeared in Eigenmann 1903 (Dec.):148 [ref. 1218]. Colosoma is a misspelling. •Valid as Colossoma Eigenmann & Kennedy 1903 -- (Géry 1976:50 [ref. 14199], Géry 1977:254 [ref. 1597], Géry 1986:97 [ref. 6012], Machado-Allison 1986:1 [ref. 12757], Taphorn 1992:161 [ref. 23654], Jégu in Reis et al. 2003:183 [ref. 27061], Mirande 2009:6 [ref. 30267] in Serrasalmidae, Minckley & Marsh 2009:103 [ref. 31114], Mirande 2010:471 [ref. 31006], Oliveira et al. 2011:11 [ref. 31685], Kottelat 2013:214 [ref. 32989]). Current status: Valid as Colossoma Eigenmann & Kennedy 1903. Serrasalmidae: Colossomatinae.

Melloina Amaral Campos [A.] 1946:219 Fem. Melloina tambaqui Amaral Campos 1946. Type by original designation (also monotypic). Misspelled Meloina on p. 217, everywhere else as Melloina. •Synonym of Colossoma Eigenmann & Kennedy 1903 -- (Géry 1976:50 [ref. 14199], Taphorn 1992:161 [ref. 23654] as Mellonina, Jégu in Reis et al. 2003:183 [ref. 27061]). Current status: Synonym of Colossoma Eigenmann & Kennedy 1903. Serrasalmidae: Colossomatinae.

Mylossoma Eigenmann [C. H.] & Kennedy [C. H.] 1903:530 Neut. Myletes albiscopus Cope 1872. Type by monotypy. Also appeared in Eigenmann 1903 (Dec.):148 [ref. 1218]. Misspelled Mylosoma by Eigenmann 1910:444 [ref. 1224] and Mylosomma by Norman 1929:814 [ref. 3218]. •Valid as Mylossoma Eigenmann & Kennedy 1903 -- (Géry 1976:50 [ref. 14199], Géry 1977:258 [ref. 1597], Géry et al. 1987:443 [ref. 6001], Taphorn 1992:284 [ref. 23654], Britski et al. 1999:60 [ref. 24147], Jégu in Reis et al. 2003:187 [ref. 27061], Mirande 2009:6 [ref. 30267] in Serrasalmidae, Mirande 2010:471 [ref. 31006], Oliveira et al. 2011:11 [ref. 31685], Mateussi et al. 2018:277 [ref. 35820]). Current status: Valid as Mylossoma Eigenmann & Kennedy 1903. Serrasalmidae: Colossomatinae.

Piaractus Eigenmann [C. H.] 1903:148 Masc. Myletes brachypomus Cuvier 1818. Type by original designation (also monotypic). Misspelled Piarctus by Eigenmann & Allen 1942:247 [ref. 1246]. •Synonym of Colossoma Eigenmann & Kennedy 1903, but a valid subgenus Piaractus -- (Géry 1976:50 [ref. 14199], Géry 1977:255 [ref. 1597]). •Valid as Piaractus Eigenmann 1903 -- (Géry 1986:97 [ref. 6012], Géry et al. 1987:441 [ref. 6001], Machado-Allison 1986:1 [ref. 12757], Taphorn 1992:298 [ref. 23654], Britski et al. 1999:62 [ref. 24147], Jégu in Reis et al. 2003:187 [ref. 27061], Mirande 2009:6 [ref. 30267] in Serrasalmidae, Mirande 2010:471 [ref. 31006], Oliveira et al. 2011:11 [ref. 31685], Zhang et al. 2016:211 [ref. 34477], Esmaeili et al. 2018:54 [ref. 36089], Escobar L. et al. 2019:[1] [ref. 36745]). Current status: Valid as Piaractus Eigenmann 1903. Serrasalmidae: Colossomatinae.

Reganina Fowler [H. W.] 1907:475 Fem. Myletes bidens Spix & Agassiz 1829. Type by original designation (also monotypic). •Synonym of Colossoma Eigenmann & Kennedy 1903 -- (Géry 1976:50 [ref. 14199], Taphorn 1992:161 [ref. 23654]). •Synonym of Piaractus Eigenamnn 1903 -- (Taphorn 1992:298 [ref. 23654], Jégu in Reis et al. 2003:187 [ref. 27061]). Current status: Synonym of Piaractus Eigenmann 1903. Serrasalmidae: Colossomatinae.

Starksina Fowler [H. W.] 1907:476 Fem. Myletes herniarius Cope 1872. Type by original designation (also monotypic). •Synonym of Mylossoma Eigenmann & Kennedy 1903 -- (Géry 1976;50 [ref. 14199], Taphorn 1992:284 [ref. 23654], Jégu in Reis et al. 2003:187 [ref. 27061], Mateussi et al. 2018:277 [ref. 35820]). Current status: Synonym of Mylossoma Eigenmann & Kennedy 1903. Serrasalmidae: Colossomatinae.

Waiteina (subgenus of Colossoma) Fowler [H. W.] 1907:473 Fem. Myletes nigripinnis Cope 1878. Type by original designation (also monotypic). •Synonym of Piaractus Eigenamnn 1903 -- (Taphorn 1992:298 [ref. 23654]). •Synonym of Colossoma Eigenmann & Kennedy 1903 -- (Géry 1976:50 [ref. 14199] as Wateina, Taphorn 1992:161 [ref. 23654], Jégu in Reis et al. 2003:183 [ref. 27061]). Current status: Synonym of Colossoma Eigenmann & Kennedy 1903. Serrasalmidae: Colossomatinae.