Thomasomys aureus (Tomes, 1860). Proc. ZooL Soc. Lond., 1860:219.

TYPE LOCALITY: Ecuador, Chimborazo Prov., Pallatanga, 1350 m.

DISTRIBUTION: C. and W. Colombia; N.C. Venezuela; Andean Ecuador; N. W. and E. Peru.

COMMENT: Hooper and Musser, 1964, Misc. Publ. Mus. Zool. Univ. Mich., 123:21, considered aureus well differentiated from other representatives of this genus; also see Carleton, 1973, Misc. Publ. Mus. Zool. Univ. Mich., 146:1-43. Karyology reviewed by Gardner and Patton, 1976, Occas. Pap. Mus. Zool. La. St. Univ., 49:26, 32; Voss and Linzey, 1981, Misc. Publ. Mus. Zool. Univ. Mich., 159:1-41, reviewed the accessory male reproductive glands.

ISIS NUMBER: 5301410008055001001.