Oryzomys spodiurus Hershkovitz, 1940. J. Mammal., 21:79. TYPE LOCALITY: Ecuador, Imbabura Prov., Hacienda Chinipamba, Intag, near Penaherrera, 1500 m. DISTRIBUTION: W. Ecuador. COMMENT: Subgenus Oligoryzomys; see Hershkovitz, 1940, J. Mammal., 21:79. Probably a subspecies of longicaudatus; see Cabrera, 1961: 380, 395, who included Oligoryzomys in subgenus Oryzomys as a synonym. ISIS NUMBER: 5301410008035058001.Published as part of James H. Honacki, Kenneth E. Kinman & James W. Koeppl, 1982, Order Rodentia (Part 3), pp. 392-476 in Mammal Species of the World (1 st Edition), Lawrence, Kansas, USA :Alien Press, Inc. & The Association of Systematics Collections on page 443, DOI: 10.5281/zenodo.735303