ocellatum, Mylosoma Eigenmann [C. H.] 1915:265 [Annals of the Carnegie Museum v. 9 (nos 3-4); ref. 1232] Río Confuso at Villa Hays, Paraguay. Holotype: FMNH 56816 [ex CM 5629]. Paratypes: (19) FMNH 15007-08 (1, 1), 56817 (13). Type catalog: Henn 1928:69 [ref. 12305], Ibarra & Stewart 1987:58 [ref. 12367]. Originally appeared as new species with doubt. Original genus should have been Mylossoma. •Synonym of Mylossoma duriventre (Cuvier 1818) -- (Jégu in Reis et al. 2003:187 [ref. 27061], Litz & Koerber 2014:9 [ref. 33622], Mirande & Koerber 2015:15 [ref. 35117], Koerber et al. 2017:22 [ref. 35267], Mateussi et al. 2018:293 [ref. 35820], Ota et al. 2024:417 [ref. 40817]). Current status: Synonym of Mylossoma duriventre (Cuvier 1818). Serrasalmidae: Colossomatinae. Habitat: freshwater.