Oryzomys auriventer Thomas, 1890 . Ann. Mag. Nat. Hist., ser. 4, 7:379.

TYPE LOCALITY: Ecuador, Tungurahua Prov., upper Rio Pastaza, Mirador, 1500 m .

DISTRIBUTION: E Ecuador and N Peru.

SYNONYMS: nimbosus.

COMMENTS: A subspecies of O. albigularis sensu Cabrera (1961); considered distinct by Gardner and Patton (1976).