Reithrodontomys paradoxus Jones and Genoways, 1970 . Occas. Pap. W. Found. Vert. Zool., 2: 12.

TYPE LOCALITY: Nicaragua, Carazo, 3 mi. (5 km) N.N.W. Diriamba, about 660 m .

DISTRIBUTION: W.C. Nicaragua; C. Costa Rica.

COMMENT: Subgenus Aporodon; see Carleton, 1980:15.