{"references": ["Pearson, O. P. 1958. A taxonomic revision of the rodent genus Phyllotis. University of California Publications in Zoology, 56: 391 - 496.", "Hershkovitz, P. 1962. Evolution of Neotropical cricetine rodents (Muridae) with special reference to the phyllotine group. Fieldiana: Zoology, 46: 1 - 524.", "Pearson, O. P. 1972. New information on ranges and relationships within the rodent genus Phyllotis in Peru and Ecuador. Journal of Mammalogy, 53: 677 - 686.", "Pearson, O. P., and J. L. Patton. 1976. Relationships among South American phyllotine rodents based on chromosome analysis. Journal of Mammalogy, 57: 339 - 350."]}

Phyllotis definitus Osgood, 1915. Field Mus. Nat. Hist. Publ. Zool. Ser., 10: 189. TYPE LOCALITY: Peru, Ancash Dept., Macate, 9000 ft. (2743 m). DISTRIBUTION: Andes of Ancash Dept. (Peru). COMMENT: Formerly included in magister (see Pearson, 1958, Univ. Calif. Publ. Zool., 56(4):431) and in darwini (see Hershkovitz, 1962, Fieldiana Zool., 46:296), but see Pearson, 1972, J. Mammal., 53:680-682, and Pearson and Patton, 1976, J. Mammal., 57:339-350.

Published as part of James H. Honacki, Kenneth E. Kinman & James W. Koeppl, 1982, Order Rodentia (Part 3), pp. 392-476 in Mammal Species of the World (1 st Edition), Lawrence, Kansas, USA :Alien Press, Inc. & The Association of Systematics Collections on page 457, DOI: 10.5281/zenodo.7353031