stagnatilis, Serrasalmo Jardine [W.] in Schomburgk 1841:222 [The Natural history of fishes of Guiana; ref. 18707] Upper Essequibo River, Guyana. No types known. •Species inquirenda in Serrasalmus -- (Jégu in Reis et al. 2003:192 [ref. 27061], Ota et al. 2024:429 [ref. 40817]). Serrasalmidae: Serrasalminae. Habitat: freshwater.