pacupeba, Salmo Kner [R.] (ex Natterer) 1860:23 [15] [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 18; ref. 7130] On p. 15 of separate. Not available, name mentioned in passing under Myletes rhomboidalis Cuvier; from Maribitanos, Rio Parana, Brazil. •In the synonymy of Myleus rhomboidalis (Cuvier 1818) -- (Jégu in Reis et al. 2003:186 [ref. 27061]). •In the synonymy of Prosomyleus rhomboidalis (Cuvier 1818). •Unavailable name -- (Toledo-Piza et al. 2024:445 [ref. 40817]). Nomen Nudum. Current status: Synonym of Prosomyleus rhomboidalis (Cuvier 1818). Serrasalmidae: Myleinae.