dorsalis, Rhamdia Gill [T. N.] 1870:94 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 22; ref. 17630] Río Marañon or Río Napo, Amazon system, Peru or Ecuador. Holotype (unique): USNM 35334. Type catalog: Ferraris & Vari 1992:38 [ref. 19771], Ferraris 2007:201 [ref. 29155]. •Valid as Rhamdia dorsalis Gill 1870 -- (Ovchynnyk 1967:35 [ref. 37559], Ortega & Vari 1986:15 [ref. 9708], Burgess 1989:278 [ref. 12860]). •Synonym of Rhamdia quelen (Quoy & Gaimard 1824) -- (Bockmann & Guazzelli in Reis et al. 2003:424 [ref. 27061], Ferraris 2007:201 [ref. 29155]). Current status: Synonym of Rhamdia quelen (Quoy & Gaimard 1824). Heptapteridae: Rhamdiinae. Habitat: freshwater, brackish.