lepturus, Xyliphius Orcés V. [G.] 1962:50, Figs. 1-2 [Ciencia y Naturaleza (Quito) v. 5 (no. 2); ref. 5121] Pastaza: río Pucayacu at confluence with rio Bobonaza (Pastaza-Marañon Dr.), Ecuador, 1°54'21.4"S, 77°13'16.3"W. Holotype: Author's coll. 1307 (wherabaouts unknown). Paratypes: Author's coll. 2020 (1); EPN 870-871 (1, 1), 902 (1). Type catalog: Ferraris 2007:62 [ref. 29155]. Locality corrected by Mark Sabaj Pérez, 13 Jan. 2016. •Valid as Xyliphius lepturus Orcés V. 1962 -- (Ovchynnyk 1967:36 [ref. 37559] as Xiliphius lepturus, Mees 1988:90 [ref. 6401], Friel in Reis et al. 2003:265 [ref. 27061], Ferraris 2007:62 [ref. 29155], Calviño & Castello 2008:55 [ref. 29670], Figueiredo & Britto 2010:105 [ref. 30760], Barriga Salazar 2014:110 [ref. 35745], Carvalho et al. 2017:26 [ref. 35187], DoNascimiento et al. 2017:85 [ref. 35633]). Current status: Valid as Xyliphius lepturus Orcés V. 1962. Aspredinidae: Aspredininae. Distribution: South America: upper Amazon and Orinoco River basins (Colombia, Ecuador, Peru and Venezuela). Habitat: freshwater.