Order Rodentia - Family Muridae Author Guy G. Musser Author Michael D. Carleton text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 501 755 book chapter http://doi.org/10.5281/zenodo.7353098 1-56098-217-9 7353098 Thomasomys taczanowskii (Thomas, 1882) . Proc. Zool. Soc. Lond., 1882:109 . TYPE LOCALITY: Peru , Cajamarca Dept., Rio Malleta, Tambillo, 5800 ft . DISTRIBUTION: NW Peru . COMMENTS: Karyology reviewed by Gardner and Patton (1976) .