Species that contain: Astyanax and rutilus [ 5 ] records

aramburui, Astyanax Protogino [L. C.], Miquelarena [A. M.] & López [H. L.] 2006:2, Figs. 1-4 [Zootaxa No. 1297; ref. 28780] Villaguay Creek at Balneario, 31°55'S, 59°03'W, Gualeguay River basin, Entre Ríos Province, Argentina. Holotype: CFA-IC 11712 (ILPLA 1712). Paratypes: CFA-IC [ILPLA] 569 (13), 1709 (4, 2 c&s), 11710 [1710] (7), 11711 [1711] (5, 1 c&s), 11713 [1713] (4); MLP 9672 (1, not 2). Type catalog: Koerber 2007:2 [ref. 29776], Miquelarena et al. 2009:29-30 [ref. 34389], Miquelarena & Nadalin 2014:4 [ref. 33466], Bogan et al. 2019:11 [ref. 37088]. •Probably a synonym of Astyanax rutilus Jenyns 1842 -- (Almirón et al. 2010:67 [ref. 30813]). •Valid as Astyanax aramburui Protogino, Miquelarena & López 2006 -- (Koerber 2011:3 [ref. 31122], Lucena et al. 2013:232 [ref. 32870], Lucena et al. 2013:542 [ref. 32914], Koerber 2014:4 [ref. 33621], Bertaco & Vigo 2015:267 [ref. 33857], Mirande & Koerber 2015:23 [ref. 35117], Terán et al. 2017:7 [ref. 35358]). Current status: Valid as Astyanax aramburui Protogino, Miquelarena & López 2006. Characidae: Stethaprioninae. Distribution: South America: Paraná and Uruguay river basins, Argentina. Habitat: freshwater.

jequitinhonhae, Tetragonopterus rutilus var. Steindachner [F.] 1877:577, 693 [135], Pl. 2 (fig. 3) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 74 (1. Abth.); ref. 4224] Rio Jequitinhonha, Brazil. Lectotype: NMW 57760:2. Paralectotypes: NMW 57759-61 (5, 2, 6). On p. 135 of separate. Description on p. 577, name given in caption on p. 693 for the plate. Lectotype selected by Queiroz et al. 2023:14 [ref. 40653]. •Synonym of Astyanax fasciatus (Cuvier 1819), but a valid subspecies -- (Triques et al. 2003:149 [ref. 27248]). •Synonym of Astyanax fasciatus (Cuvier 1819) -- (Buckup in Reis et al. 2003:109 [ref. 27061] with question, Mirande & Koerber 2015:2 [ref. 33698]). •Valid as Astyanax jequitinhonhae (Steindachner 1877) -- (Salgado 2021:4 [ref. 38720]). •Valid as Psalidodon jequitinhonhae (Steindachner 1877) -- (Terán et al. 2020:10 [ref. 37440], Queiroz et al. 2023:9 [ref. 40653], Zanata et al. 2024:261 [ref. 40718]). Current status: Valid as Psalidodon jequitinhonhae (Steindachner 1877). Characidae: Stethaprioninae. Distribution: South America: Jequitinhonha and Pardo River drainages, northeastern and southeastern Brazil. Habitat: freshwater.

nicaraguensis, Astyanax rutilus Eigenmann [C. H.] & Ogle [F.] 1907:23 [Proceedings of the United States National Museum v. 33 (no. 1556); ref. 1266] Nicaragua [probably the Atlantic versant] . Holotype: USNM 55653. Paratypes: CAS 39491 [ex USNM 55657 and IU 11486] (4), USNM 55657 (32). Type catalog: Vari & Howe 1991:7 [ref. 19022]. •Synonym of Astyanax aeneus (Günther 1860) -- (Bussing 1998:83 [ref. 24179]). •Valid as Astyanax nicaraguensis Eigenmann & Ogle 1907 -- (Buckup in Reis et al. 2003:111 [ref. 27061], Marinho & Birindelli 2013:46 [ref. 32569], Marinho & Ohara 2013:476 [ref. 32713], Schmitter-Soto 2016:130 [ref. 34424], Schmitter-Soto 2017:1393 [ref. 35414], Angulo et al. 2018:[17] [ref. 35879], Angulo et al. 2023:23 [ref. 40676]). Current status: Valid as Astyanax nicaraguensis Eigenmann & Ogle 1907. Characidae: Stethaprioninae. Distribution: Central America: Matagalpa, Atlantic slope (Nicaragua), through Costa Rica to the Sixaola River. Habitat: freshwater.

ovatus, Salmo Larrañaga [D. A.] 1923:388 [Escritos de Don Dámaso Antonio Larrañaga v. 2; ref. 22561] Uruguay. No types known. Appeared as Salmo argenteus vel ovatus [with argenteus an existing species and ovatus an alternate name] in but Devincenzi 1925:322, 313 [ref. 20322]; Devincenzi treated as a synonym of Astyanax rutilus (Jen.) [= Tetragonopterus rutilus Jenyns]. •Species inquirenda in Characidae -- (Reis et al. 2003:159 [ref. 27061]). •Synonym of Astyanax rutilus (Jenyns 1842) -- (Mirande & Koerber 2015:24 [ref. 35117] with question, Koerber et al. 2017:38 [ref. 35267] with question). •? Synonym of Psalidodon rutilus (Jenyns 1842) -- (Zanata et al. 2024:263 [ref. 40718]). Current status: Uncertain as Psalidodon rutilus (Jenyns 1842). Characidae: Stethaprioninae. Habitat: freshwater.

rutilus, Tetragonopterus Jenyns [L.] 1842:125, Pl. 23 (figs. 2, 2a) [The zoology of the voyage of H. M. S. Beagle; ref. 2344] Rio Paraná, South America. Holotype: BMNH 1917.7.14.14. •Treated as a synonym of Astyanax aff. fasciatus (Cuvier 1819) and the same as Astyanax aeneus (Hensel 1870) -- (Malabarba 1989:129 [ref. 14217]). •Synonym of Astyanax fasciatus (Cuvier 1819) -- (Buckup in Reis et al. 2003:109 [ref. 27061]). •Valid as Astyanax rutilus (Jenyns 1842) -- (Protogino et al. 2006:10 [ref. 28780], de Melo & Buckup 2006:46 [ref. 28622], Almirón et al. 2010:67 [ref. 30813], Mirande 2010:516 [ref. 31006] as cf. rutilus, Soneira et al. 2010:785 [ref. 31078], Koerber 2011:3 [ref. 31122], Koerber 2014:5 [ref. 33621], Litz & Koerber 2014:14 [ref. 33622], Mirande & Koerber 2015:24 [ref. 35117], Nión et al. 2016:29 [ref. 35565], Koerber et al. 2017:38 [ref. 35267], Terán et al. 2017:7 [ref. 35358], Dickens 2019:162 [ref. 37135]). •Valid as Psalidodon rutilus (Jenyns 1842) -- (Koerber et al. 2020:4 [ref. 37480], Mirande & Koerber 2020:2 [ref. 37594], Terán et al. 2020:11 [ref. 37440], Koerber et al. 2021:4 [ref. 38894], Koerber et al. 2023:4 [ref. 40355], Loureiro et al. 2023:76 [ref. 40506]). Current status: Valid as Psalidodon rutilus (Jenyns 1842). Characidae: Stethaprioninae. Distribution: South America: Río Paraná basin (Argentina, Paraguay and Uruguay). Habitat: freshwater.