Oryzomys rivularis J. A. Allen, 1901 . Bull. Am. Mus. Nat. Hist., 14:406.

TYPE LOCALITY: Ecuador, Esmeraldas Prov., Rio Verde .

DISTRIBUTION: N.W. Ecuador.

COMMENT: May include bombycinus; subgenus Oryzomys; see Gardner and Patton, 1976, Occas. Pap. Mus. Zool. La. St. Univ., 39:40-41. Hershkovitz, 1960, Proc. U.S. Nat. Mus., 110:544, considered rivularis a synonym of laticeps (^ capita). O. rivularis includes bombycinus and bolivaris (ALG).