Thomasomys cinereus (Thomas, 1882) . Proc. Zool. Soc. Lond., 1882:108.

TYPE LOCALITY: Peru, Cajamarca Dept., Cutervo, 2760 m .

DISTRIBUTION: S.W. Ecuador; N.W. Peru.

COMMENT: Reviewed by Carleton, 1973, Misc. Publ. Mus. Zool. Univ. Mich., 146:1 -43, and Hooper and Musser, 1964, Misc. Publ. Mus. Zool. Univ. Mich., 123:21.

ISIS NUMBER: 5301410008055005001.