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 Oxymycterus nasutus (Waterhouse, 1837) . Proc. Zool. Soc. Lond., 1837:16 . TYPE LOCALITY: Uruguay , Maldonado . DISTRIBUTION: Uruguay and adjacent SE Brazil . COMMENTS: Comparisons with O. iheringi provided by Massoia and Fornes (1969) ; they (and Vitullo et al., 1986 ) further noted the distinction of O. nasutus from O. rufus , under which it had been ranked as a subspecies (Cabrera, 1961). Range limits unknown.