Hexaprotodon primaevus Crusafont et al., 1964 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Artiodactyla family Hippopotamidae genus Hexaprotodon species Hexaprotodon primaevus Name Homonyms Hexaprotodon primaevus Crusafont et al., 1964