longirhinus, Astyanax Garavello [J. C.] & Sampaio [F. A. A.] 2010:853, Fig. 4 [Brazilian Journal of Biology v. 70 (no. 3); ref. 31053] Rio Iguaçu, downstream of Salto Santiago dam, between Laranjeiras do Sul and Chopinzinho, Laranjerias do Sul, Paraná, Brazil. Holotype: MZUSP 105954. Paratypes: FMNH 105095 (38); MZUSP 105955 (1), 105956 (1); LISDEBE 2598 (4), 2599 (1), 2600 (3); NUP 10152 (16). Type catalog: Oliveira et al. 2022:6 [ref. 39255]. •Valid as Astyanax longirhinus Garavello & Sampaio 2010 -- (da Graça et al. 2017:13 [ref. 35556]). •Synonym of Astyanax gymnogenys Eigenmann 1911 -- (Oliveira et al. 2019:231 [ref. 36953]). Current status: Synonym of Psalidodon gymnogenys (Eigenmann 1911). Characidae: Stethaprioninae. Habitat: freshwater.