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

TYPE LOCALITY: Ecuador, Napo-Pastaza Prov., Mirador, 1500 m .

DISTRIBUTION: Peru; Ecuador.

COMMENT: Considered distinct from albigularis by Gardner and Patton, 1976, Occas. Pap. Mus. Zool. La. St. Univ., 49:19, 24, 38, who included this species in subgenus Oryzomys .