denticulatus, Serrasalmus Cuvier [G.] 1819:371 [Mémoires du Muséum National d'Histoire Naturelle, Paris (N. S.) (Série A) Zoologie v. 5; ref. 1017] Locality unknown [Guyana]. No types known. •Valid as Serrasalmus denticulatus Cuvier 1819 -- (Géry 1972:209 [ref. 1594], Planquette et al. 1996:374 [ref. 22818]). •Valid as Pygopristis denticulatus (Cuvier 1819) -- (Taphorn 1992:312 [ref. 23654], Machado-Allison 2002:43 [ref. 27640]). •Valid as Pygopristis denticulata (Cuvier 1819) -- (Jégu in Reis et al. 2003:189 [ref. 27061], Sarmiento et al. 2014:187 [ref. 35004], DoNascimiento et al. 2017:37 [ref. 35633], Silvano et al. 2020:185 [ref. 38133], Taphorn et al. 2022:29 [ref. 41297], Ota et al. 2024:422 [ref. 40817]). Current status: Valid as Pygopristis denticulata (Cuvier 1819). Serrasalmidae: Serrasalminae. Distribution: South America: Orinoco River basin, northern and eastern Guiana Shield rivers; tributaries of lower Amazon (Brazil, Colombia, Bolivia, French Guiana, Guyana, Suriname and Venezuela). Habitat: freshwater.