argenteum, Mylossoma Ahl [E.] 1928:192, Fig. [Das Aquarium: eine Zeitschrift mit Bildern für Liebhaber, Schulen und Naturfreunde, Berlin 1928 (no. 11); ref. 20506] Amazon River. Syntypes: ZMB 20854 (2). Types mentioned: Paepke 1995:92 [ref. 21847]. Appeared first in Ahl 1928 as above, then in Ahl 1929:273 [ref. 15881]. •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]). •Synonym of Mylossoma albiscopum (Cope 1872) -- (Mateussi et al. 2018:280 [ref. 35820], Ota et al. 2024:416 [ref. 40817]). Current status: Synonym of Mylossoma albiscopum (Cope 1872). Serrasalmidae: Colossomatinae. Habitat: freshwater.