Castoroides ohioensis Foster, 1838 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Rodentia family Castoridae genus Castoroides species Castoroides ohioensis Name Synonyms Burosor efforsorius Starrett, 1956 Castoroides kansensis Martin, 1912 Castoroides nebrascensis Barbour, 1931 Homonyms Castoroides ohioensis Foster, 1838