orientalis, Tetragonopterus Cope [E. D.] 1870:559 [Proceedings of the American Philosophical Society v. 11; ref. 914] Pará, Brazil. No types known. Type catalog: Böhlke 1984:52 [ref. 13621] as no types at ANSP. •Synonym of Astyanax bimaculatus (Linnaeus 1758) -- (Buckup in Reis et al. 2003:108 [ref. 27061] with question, Mirande & Koerber 2015:1 [ref. 33698] with question). Current status: Synonym of Astyanax bimaculatus (Linnaeus 1758). Characidae: Stethaprioninae. Habitat: freshwater.