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 Onychomys Baird, 1858 . Mammalia in Repts. U.S. Expl. Surv., 8(1):458 . TYPE SPECIES: Hypudaeus leucogaster Wied-Neuwied, 1841 . COMMENTS: Peromyscine. Revised by Hollister (1914) . Chromosomal evolution among three species investigated by Baker et al. (1979) , allozymic differentiation by Sullivan et al. (1986) , and mitochondrial-DNA phylogeny by Riddle and Honeycutt (1990) ; historical biogeography interpreted by Riddle and Honeycutt (1990) ; affinity of Recent and fossil forms evaluated by Carleton and Eshelman (1979) . Phyletic affinity to other sigmodontine genera assessed by Carleton (1980) , Hooper and Musser (1964b) , and Stangl and Baker (1984b) .