Diprotodon optatum Owen, 1838 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Diprotodontia family Diprotodontidae genus Diprotodon species Diprotodon optatum Name Synonyms Diprotodon annextans McCoy, 1861 Diprotodon australis Owen, 1844 Diprotodon bennettii Krefft, 1873 Diprotodon loderi Krefft, 1873 Diprotodon longiceps McCoy, 1865 Diprotodon minor Huxley, 1862 Homonyms Diprotodon optatum Owen, 1838