Arctotherium angustidens Gervais & Ameghino, 1880 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Carnivora family Ursidae genus Arctotherium species Arctotherium angustidens Name Homonyms Arctotherium angustidens Gervais & Ameghino, 1880