Sigmodon peruanus J. A. Allen, 1897 . Bull. Am. Mus. Nat. Hist., 9:118.

TYPE LOCALITY: Peru, La Libertad Dept., Trujillo, 200 ft .

DISTRIBUTION: Pacific coastal plain and contiguous Andean foothills of W Ecuador and NW Peru.

SYNONYMS: chonensis, lonnbergi, puna, simonsi.

COMMENTS: Lumped under S. hispidus by Cabrera (1961) following the footnoted opinion of Hershkovitz (1955a); reinstated as a species by Voss (1992).