? nigripes Olfers, 1818 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Chordata class Mammalia order Rodentia family Cricetidae genus Oligoryzomys species Oligoryzomys nigripes Name Homonyms ? nigripes Kriechbaumer, 1894 ? nigripes Richardson, 1850 ? nigripes Olfers, 1818