Diceratherium niobrarense (Peterson, 1906) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Perissodactyla family Rhinocerotidae genus Diceratherium species Diceratherium niobrarense Name Synonyms Aceratherium egregius (Cook, 1908) Diceratherium petersoni (Loomis, 1908) Epiaphelops virgasectus Cook, 1912 Metacaenopus egregius (Cook, 1908) Metacaenopus niobrarensis (Peterson, 1906) Metacaenopus petersoni (Loomis, 1908) Homonyms Diceratherium niobrarense (Peterson, 1906)