Cranioceras unicornis Matthew, 1918 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Artiodactyla family Dromomerycidae genus Cranioceras species Cranioceras unicornis Name Synonyms Cranioceras granti Frick, 1937 Cranioceras mefferdi Frick, 1937 Homonyms Cranioceras unicornis Matthew, 1918