? columbianus Ord, 1815 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Chordata class Mammalia order Rodentia family Sciuridae genus Urocitellus species Urocitellus columbianus Name Homonyms ? columbianus Ord, 1815 ? columbianus Salvadori, 1895 ? columbianus McLearn, 1940 ? columbianus McLearn, 1939