immaculatus, Serrasalmo Cope [E. D.] 1878:692 [Proceedings of the American Philosophical Society v. 17 (no. 101); ref. 945] Peruvian Amazon. Lectotype: ANSP 21503. Paralectotypes: ANSP 21504-05 (2). Type catalog: Böhlke 1984:48 [ref. 13621] as holotype and paratypes. Original genus misspelled Serrasalimo in main heading. Lectotype selected by Fowler 1907:471, Fig. 54 [ref. 1374]. •Synonym of Serrasalmus rhombeus (Linnaeus 1766) -- (Jégu in Reis et al. 2003:192 [ref. 27061], Ota et al. 2024:427 [ref. 40817]). Current status: Synonym of Serrasalmus rhombeus (Linnaeus 1766). Serrasalmidae: Serrasalminae. Habitat: freshwater.