Order Rodentia (Part 3) Author James H. Honacki Author Kenneth E. Kinman Author James W. Koeppl text 1982 Alien Press, Inc. & The Association of Systematics Collections Lawrence, Kansas, USA Editor James H. Honacki Editor Kenneth E. Kinman Editor James W. Koeppl Mammal Species of the World (1 st Edition) 392 476 book chapter http://doi.org/10.5281/zenodo.7353031 f291a924-691f-4f06-bc89-3dc2421c2bed 0-89327-235-3 7353031 Isthmomys Hooper and Musser, 1964 . Occas. Pap. Mus . Zool. Univ. Mich., 635: 12 . REVIEWED BY: S. Anderson (SA); W. Caire (WC); R. P. Canham (RPC); M. D. Carleton (MDC); L. N. Carraway (LNC); D. G. Huckaby (DGH); C. W. Kilpatrick (CWK); T. E. Lawlor (TL); R. H. Pine (RHP). COMMENT: Included as a subgenus of Peromyscus by Hall, 1981:717 , and Hooper, 1968, in King, ed., The Biology of Perotnyscus ( Rodentia ), p. 38. Linzey and Layne, 1974 , Am. Mus . Novit., 2532:1-20, studied the morphology of the spermatozoa. Reviewed by Carleton, 1980:118 , 124, who considered Isthmomys a distinct genus. Pine et al., 1979 , Mammalia , 43: 357, considered Isthmomys Hooper and Musser , a nomen nudum; Carleton, 1980 , may have been first to make Isthmomys available (RHP). Subfamily Hesperomyinae ; see comment under Cricetidae .