trierythropterus, Astyanax (Astynax) Godoy [M. P. de] 1970:276, Figs. 1-4 [Revista Brasileira de Biologia v. 30 (no. 2); ref. 7733] Cachoeira de Emas, Rio Mogi Guassu, Upper Rio Paraná basin, São Paulo State, Brazil. Holotype: EEBP 706. Paratypes: (7). Type catalog: Azevedo-Santos et al. 2023:543 [ref. 40344]. •Valid as Astyanax trierythropterus Godoy 1970 -- (Garutti & Britski 2000:84 [ref. 24769], Buckup in Reis et al. 2003:113 [ref. 27061], Castro & Vari 2004:332 [ref. 27972]). Current status: Valid as Astyanax trierythropterus Godoy 1970. Acestrorhamphidae: Acestrorhamphinae. Distribution: South America: upper Paraná River basin (Brazil). Habitat: freshwater.