Species that contain: Acestrorhynchus and falcatus [ 6 ] records

denticulosus, Salmo Larrañaga [D. A.] 1923:378 [Escritos de Don Dámaso Antonio Larrañaga v. 2; ref. 22561] Uruguay. Original as Salmo (dentado) denticulosus; corresponds to Salmo 26-radiatus on p. 388. Appeared as Salmo denticulosus vel 26-radiatus in Devincenzi 1925:313, 322 [ref. 20322]; Devincenzi treated as a synonym of Acestrorhynchus falcatus (Bloch) [= Salmo falcatus Bloch 1794]. •Species inquirenda in Characidae -- (Reis et al. 2003:159 [ref. 27061]). •Synonym of Acestrorhynchus pantaneiro Menezes 1992 -- (Litz & Koerber 2014:10 [ref. 33622]). Current status: Uncertain as Acestrorhynchus pantaneiro Menezes 1992. Acestrorhynchidae: Acestrorhynchinae. Habitat: freshwater.

falcatus, Salmo Bloch [M. E.] 1794:120, Pl. 385 [Naturgeschichte der ausländischen Fische v. 8; ref. 463] Suriname. Syntypes: ZMB 3613 (2). Type catalog: Paepke 1999:62 [ref. 24282]. On p. 97 of Bloch's Ichthyologie, v. 11 [ref. 21381]. •Synonym of Acestrorhynchus pantaneiro Menezes 1990 -- (Casciotta et al. 2003:118 [ref. 28130]). •Valid as Acestrorhynchus falcatus (Bloch 1794) -- (Menezes & Géry 1983:590 [ref. 8307], Ortega & Vari 1986:7 [ref. 9708], Géry et al. 1991:42 [ref. 21021], Planquette et al. 1996:222 [ref. 22818], Lasso et al. 2001:95 [ref. 25928], Menezes in Reis et al. 2003:231 [ref. 27061], López-Fernández & Winemiller 2003:199 [ref. 27386], Toledo-Piza 2007:754 [ref. 29426], Barriga Salazar 2014:109 [ref. 35745], Sarmiento et al. 2014:183 [ref. 35004], Ramos et al. 2014:4 [ref. 35321], Melo et al. 2016:133 [ref. 34701], DoNascimiento et al. 2017:45 [ref. 35633], Silva et al. 2020:4 [ref. 37809], Meza-Vargas et al. 2021:15 [ref. 39298], Borstein et al. 2022:16 [ref. 39507], Koerber et al. 2022:29 [ref. 39235], Vieira et al. 2023:17 [ref. 40759]). Current status: Valid as Acestrorhynchus falcatus (Bloch 1794). Acestrorhynchidae: Acestrorhynchinae. Distribution: South America: Brazil, Ecuador, Colombia, Bolivia, French Guiana, Guyana, Peru, Suriname and Venezuela. Habitat: freshwater.

ferox, Xiphorhamphus Günther [A.] 1863:443 [Annals and Magazine of Natural History (Series 3) v. 12 (no. 72); ref. 1973] Essequibo River, Guyana. Syntypes: BMNH 1964.1.21.39-40 (2). •Synonym of Acestrorhynchus falcatus (Bloch 1794) -- (Menezes in Reis et al. 2003:231 [ref. 27061]). Current status: Synonym of Acestrorhynchus falcatus (Bloch 1794). Acestrorhynchidae: Acestrorhynchinae. Habitat: freshwater.

pulverulentus, Salmo Linnaeus [C.] 1758:312 [Systema Naturae, Ed. X v. 1; ref. 2787] America [in error]. Holotype: NRM 7249. •In the synonymy of Acestrorhynchus falcatus (Bloch 1794) -- (Menezes in Reis et al. 2003:231 [ref. 27061]). Current status: Synonym of Acestrorhynchus falcatus (Bloch 1794). Acestrorhynchidae: Acestrorhynchinae. Habitat: freshwater.

varius, Acestrorhynchus falcatus Menezes [N. A.] 1969:40, Fig. 25 [Arquivos de Zoologia (São Paulo) v. 18 (nos 1-2); ref. 7834] Cachimbo, Pará, Rio Tapajós basin, Brazil. Holotype: DZSASP 4560. Paratypes: DZSASP 4561-67 (7). Type catalog: Oyakawa 1996:447 [ref. 23140]. •Synonym of Acestrorhynchus falcatus (Bloch 1794) -- (Menezes in Reis et al. 2003:231 [ref. 27061]). Current status: Synonym of Acestrorhynchus falcatus (Bloch 1794). Acestrorhynchidae: Acestrorhynchinae. Habitat: freshwater.

vigintisexradiatus, Salmo Larrañaga [D. A.] 1923:388 [Escritos de Don Dámaso Antonio Larrañaga v. 2; ref. 22561] Originally as Salmo 26-radiatus. Quoted from Larrañaga manuscript as Sp. n., by Devincenzi, but Devincenzi (p. 322, 313) treated as a synonym of Acestrorhynchus falcatus (Bloch) [= Salmo falcatus Bloch 1794]. •Synonym of Acestrorhynchus pantaneiro Menezes 1992 -- (Litz & Koerber 2014:10 [ref. 33622]). Current status: Uncertain as Acestrorhynchus pantaneiro Menezes 1992. Acestrorhynchidae: Acestrorhynchinae. Habitat: freshwater.