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

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

DISTRIBUTION: Panama to the Guianas, S.C. Brazil, N.W. Bolivia, and S.E. Peru.

COMMENT: Includes endersi, phaeotis, and trabeatus; subgenus Oecomys; see Hershkovitz, 1960, Proc. U.S. Nat. Mus., 110:533-544, Husson, 1978:406, and Hall, 1981:619; also see comment under genus. Cabrera, 1961:407, and Corbet and Hill, 1980: 144, listed phaeotis as a distinct species, without comment.

ISIS NUMBER: 5301410008035010001 as O. bicolor .

5301410008035025001 as O. endersi .

5301410008035052001 as O. phaeotis.

5301410008035062001 as O. trabeatus.