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.