pentlandii, Pimelodus Valenciennes [A.] in Cuvier & Valenciennes 1840:183, Pl. 435 [Histoire naturelle des poissons v. 15; ref. 1008] Río Apurímac, Peru. Lectotype: BMNH 1862.11.15.11 (221.0 mm SL, smaller spec.). Paralectotypes: BMNH 1862.11.15.11 (1). Type catalog: Ferraris 2007:200 [ref. 29155]. Lectotype selected by Silfvergrip 1996:14, 139 [ref. 22347]. •Valid as Rhamdia pentlandii (Valenciennes 1840) -- (Ortega & Vari 1986:15 [ref. 9708], Burgess 1989:279 [ref. 12860]). •Synonym of Rhamdia quelen (Quoy & Gaimard 1824) -- (Silfvergrip 1996:96 [ref. 22347], Bockmann & Guazzelli in Reis et al. 2003:424 [ref. 27061], Ferraris 2007:200 [ref. 29155]). Current status: Synonym of Rhamdia quelen (Quoy & Gaimard 1824). Heptapteridae: Rhamdiinae. Habitat: freshwater, brackish.