paraguayensis, Mylosomma Norman [J. R.] 1929:814, Fig. 19 [Proceedings of the Zoological Society of London [v. 98] (pt 4) (no. 52)(art. 30) (for 1928); ref. 3218] Río Paraguay. Syntypes: BMNH 1895.5.17.254-255 (2) Río Paraguay, 1910.5.26.46 (1) San Salvador, 1910.5.26.47-48 (2) Puerto Asir. Original genus should have been Mylossoma. •Valid as Mylosomma paraguayensis Norman 1929 -- (Sverlij et al. 1998:25 [ref. 27632] as Norman 1929, Britski et al. 1999:60 [ref. 24147], López et al. 2003:34 [ref. 27366], Menni 2004:79 [ref. 28131]). •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.