altispinis, Serrasalmus Merckx [A.], Jégu [M.] & Santos [G. M. dos] 2000:191, Figs. 3, 4B, 5B, 7B, 8A [Cybium v. 24 (no. 2); ref. 24718] Quarenta Ilhas rapids, Pitinga River, Uatumã basin, Amazonas, Brazil. Holotype: INPA 14.434. Paratypes: INPA 14.349-54 (1, 1, 1, 1, 1, 1); MNHN 1997.0113-14 (1, 1), 1997.0116 (1), 1997-0120 (1), 1997-0317 (1); plus additional material. •Valid as Serrasalmus altispinis Merckx, Jégu & Santos 2000 -- (Fink & Machado-Allison 2001:10 [ref. 25510], Jégu in Reis et al. 2003:190 [ref. 27061], Hubert & Renno 2010:58 [ref. 31099], Taphorn et al. 2022:29 [ref. 41297], Ota et al. 2024:422 [ref. 40817]). Current status: Valid as Serrasalmus altispinis Merckx, Jégu & Santos 2000. Serrasalmidae: Serrasalminae. Distribution: South America: Uatumã River drainage, Amazon basin (Brazil and Guyana). Habitat: freshwater.