Oecomys bicolor (Tomes, 1860) . Proc. Zool. Soc. Lond., 1860:217.

TYPE LOCALITY: Ecuador, Morona-Santiago Prov., Gualaquiza, Rio Gualaquiza, 885 m .

DISTRIBUTION: E Panama to W Colombia and Ecuador; Venezuela, Guianas, N and C Brazil; Amazonian drainage of E Bolivia, Peru, and Colombia.

SYNONYMS: benevolens, dryas (of Thomas, 1900), endersi, florenciae, milleri, nitedulus, occidentalis, rosilla, trabeatus .