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 Oryzomys hammondi (Thomas, 1913) . Ann. Mag. Nat. Hist., ser. 8, 12:570 . TYPE LOCALITY: Ecuador , Pichincha Prov. , Mindo, 4213 ft . DISTRIBUTION: NW Ecuador . COMMENTS: Described as a species of Nectomys and included therein as incertae sedis by Hershkovitz (1944) . Later designated as the type species of Macruroryzomys , subgenus Oryzomys , by Hershkovitz (1948b) , who afterwards (1970b) acknowledged the taxon as a nomen nudum (also see Pine and Wetzel, 1975:653 ). Distributional limits poorly definded and affinities obscure, perhaps related to the extirpated Antillean form Megalomys ( Ray, 1962 ) .