polylepis, Tetragonopterus Günther [A.] 1864:320 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Guyana. Holotype (unique): BMNH 1845.3.5.33. •Valid as Astyanax polylepis (Günther 1864) -- (Taphorn 1992:119 [ref. 23654], Géry et al. 1996:8 [ref. 22155]). •Valid as Jupiaba polylepis (Günther 1864) -- (Zanata 1997:130 [ref. 24112], Buckup in Reis et al. 2003:142 [ref. 27061], Zanata & Lima 2005:277 [ref. 28235], Pereira & Lucinda 2007:54 [ref. 29302], Netto-Ferreira et al. 2009:65 [ref. 30519], Ramos et al. 2014:4 [ref. 35321], Melo et al. 2016:375 [ref. 35317], DoNascimiento et al. 2017:62 [ref. 35633], Urbano-Bonilla et al. 2018:89 [ref. 35773], Koerber et al. 2022:36 [ref. 39235]). Current status: Valid as Jupiaba polylepis (Günther 1864). Characidae: Stethaprioninae. Distribution: South America: Orinoco River basin (Brazil, Colombia, Guyana and Suriname). Habitat: freshwater.