falcatus, Brycon Müller [J.] & Troschel [F. H.] 1844:90 [Archiv für Naturgeschichte v. 10 (pt 1); ref. 3070] Guyana and Suriname. Syntypes: ZMB 3601-03 (2, 1, 1). Possible syntypes: BMNH 1969.12.12.1-3 (3). Also appeared in Müller & Troschel 1845:15, Pl. 4 (fig. 1a) [ref. 3071]. •Valid as Brycon falcatus Müller & Troschel 1844 -- (Howes 1982:26 [ref. 14201], Moscó Morales 1988:7 [ref. 20066], Planquette et al. 1996:226 [ref. 22818], Malabarba 1998:76 [ref. 23840], Lima in Reis et al. 2003:176 [ref. 27061], Lima 2004:282 [ref. 27858], Mirande 2010:483 [ref. 31006], Phillip et al. 2013:16 [ref. 32896], Barriga Salazar 2014:108 [ref. 35745], Sarmiento et al. 2014:44, 184 [ref. 35004], Lima 2017:142 [ref. 35071], DoNascimiento et al. 2017:63 [ref. 35633], Urbano-Bonilla et al. 2018:86 [ref. 35773], Meza-Vargas et al. 2021:20 [ref. 39298], Koerber et al. 2022:30 [ref. 39235], Cortés Hernández et al. 2023:455 [ref. 40760]). Current status: Valid as Brycon falcatus Müller & Troschel 1844. Bryconidae: Bryconinae. Distribution: South America: rivers draining the Brazilian and Guyana shields, western Amazon and Orinoco River basins (Bolivia, Peru, Brazil, Ecuador, Colombia, French Guiana, Guyana, Suriname and Venezuela). Habitat: freshwater.