Diceratherium armatum Marsh, 1875 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Perissodactyla family Rhinocerotidae genus Diceratherium species Diceratherium armatum Name Synonyms Aceratherium truquianum Cope, 1879 Diceratherium gregorii (Peterson, 1920) Diceratherium lobatum Troxell, 1921 Metacaenopus gregorii (Peterson, 1920) Homonyms Diceratherium armatum Marsh, 1875