eigenmanni, Serrasalmus Norman [J. R.] 1929:804, Fig. 16 [Proceedings of the Zoological Society of London [v. 98] (pt 4) (no. 52)(art. 30) (for 1928); ref. 3218] Rockstone, Guyana. Holotype (unique): BMNH 1911.10.31.496. Norman mentions only one specimen (type of the species) in the original description. •Valid as Pristobrycon eigenmanni (Norman 1929) -- (Jégu & Santos 2001:136 [ref. 25562]). •Valid as Serrasalmus eigenmanni Norman 1929 -- (Géry 1972:224 [ref. 1594], Machado-Allison 2002:81 [ref. 27640], Jégu in Reis et al. 2003:190 [ref. 27061], Machado-Allison et al. 2009:128 [ref. 30953], Sarmiento et al. 2014:187 [ref. 35004], DoNascimiento et al. 2017:38 [ref. 35633], Careaga et al. 2020:76 [ref. 37774], Kolmann et al. 2020:11 [ref. 37721], Silvano et al. 2020:191 [ref. 38133], Meza-Vargas et al. 2021:17 [ref. 39298], Borstein et al. 2022:16 [ref. 39507], Koerber et al. 2023:3 [ref. 40665], Ota et al. 2024:424 [ref. 40817]). Current status: Valid as Serrasalmus eigenmanni Norman 1929. Serrasalmidae: Serrasalminae. Distribution: South America: Amazon River basin and northern and eastern Guiana Shield rivers (Brazil, Colombia, Bolivia, French Guiana, Guyana, Peru, Suriname and Venezuela). Habitat: freshwater.