Reithrodontomys darienensis Pearson, 1939 . Not. Naturae Acad. Nat. Sci. Phila., 6:1.

TYPE LOCALITY: Panama, Darien, Santa Cruz de Cana, upper Rio Tuyra, 2000 ft. (610 m) .

DISTRIBUTION: Panama; perhaps N.W. Colombia.

COMMENT: Subgenus Aporodon; see Hooper, 1952, Misc. Publ. Mus. Zool. Univ. Mich., 77:1 -255.

ISIS NUMBER: 5301410008047005001.