{"references": ["Corbet, G. B., and J. E. Hill. 1980. A world list of mammalian species. British Museum (Natural History), London, 226 pp.", "Carleton, M. D. 1980. Phylogenetic relationships in neotomine-peromyscine rodents (Muroidea) and a reappraisal of the dichotomy within New World Cricetinae. Miscellaneous Publications, Museum of Zoology, University of Michigan, 157: 1 - 146.", "Hall, E. R. 1981. The mammals of North America. Second ed. John Wiley and Sons, New York, 1: 1 - 600 + 90, 2: 601 - 1181 + 90.", "Walker, E. P., F. Warnick, S. E. Hamlet, K. I. Lange, M. A. Davis, H. E. Uible, and P. F. Wright. 1975. Mammals of the world. Third ed. Johns Hopkins University Press, Baltimore, 1: 1 - 646; 2: 647 - 1500."]}

Isthmomys pirrensis (Goldman, 1912). Smithson. Misc. Coll., 60(2):5. TYPE LOCALITY: Panama, Darien, Mt. Pirri, head Rio Limon, 4500 ft. (1372 m). DISTRIBUTION: E. Panama; perhaps adjacent Colombia. COMMENT: Tentatively included in flavidus by Corbet and Hill, 1980:148. Considered a distinct species by Handley, 1966, in Wenzel and Tipton, eds., Ectoparasites of Panama, pp. 753-795, Carleton, 1980:1-146, and Hall, 1981:718. Walker et al., 1975, stated that this species occurs in N. Colombia. ISIS NUMBER: 5301410008039046001 as Peromyscus pirrensis.

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 421, DOI: 10.5281/zenodo.7353031