duriventris, Myletes Cuvier [G.] 1818:451, Pl. 22 (fig. 2) [Mémoires du Muséum d'Histoire Naturelle, Paris v. 4; ref. 1016] Brazil. Holotype: MNHN A-9891 (dry). Type catalog: Bertin 1948:28 [ref. 19577]. For information on types see Jégu in Reis et al. 2003:187 [ref. 27061]. Apparently the correct spelling when in Mylossoma is duriventre. •Valid as Mylossoma duriventris (Cuvier 1818) -- (Ovchynnyk 1967:30 [ref. 37559], Ortega & Vari 1986:9 [ref. 9708], Taphorn 1992:286 [ref. 23654], Gómez & Chebez 1996:52 [ref. 23791], López et al. 2003:33 [ref. 27366], Menni 2004:79 [ref. 28131]). •Valid as Mylossoma duriventre (Cuvier 1818) -- (Jégu in Reis et al. 2003:187 [ref. 27061], Barriga Salazar 2014:108 [ref. 35745], Litz & Koerber 2014:9 [ref. 33622], Sarmiento et al. 2014:90, 187 [ref. 35004], Mirande & Koerber 2015:15 [ref. 35117], Nión et al. 2016:28 [ref. 35565], Koerber et al. 2017:22 [ref. 35267], DoNascimiento et al. 2017:37 [ref. 35633], Urbano-Bonilla et al. 2018:84 [ref. 35773], Mateussi et al. 2018:293 [ref. 35820], Meza-Vargas et al. 2021:17 [ref. 39298], Koerber et al. 2023:3 [ref. 40665], Loureiro et al. 2023:36 [ref. 40506], Ota et al. 2024:416 [ref. 40817]). Current status: Valid as Mylossoma duriventre (Cuvier 1818). Serrasalmidae: Colossomatinae. Distribution: South America: Paraguai, lower Paraná and Uruguai basins (Argentina, Brazil, Peru, Uruguay and Paraguay). Habitat: freshwater.