Oryzomys utiaritensis J. A. Allen, 1916. Bull. Am. Mus. Nat. Hist., 35:527.

TYPE LOCALITY: Brazil, Mato Grosso, Utiariti, along Rio Papagaio.

DISTRIBUTION: C. Brazil.

COMMENT: Subgenus Oligoryzomys; see Gardner and Patton, 1976, Occas. Pap. Mus. Zool. La. St. Univ., 49:19, and Myers and Carleton, 1981, Misc. Publ. Mus. Zool. Univ. Mich., 161:36-37. Cabrera, 1961:380, included Oligoryzomys in subgenus Oryzomys, as a synonym. The type may be a composite based on nigripes skin and fornesi skull; see Myers and Carleton, 1981, Misc. Publ. Mus. Zool. Univ. Mich., 161:36-37.

ISIS NUMBER: 5301410008035064001.