Hesperoceras merlae Villalta & Crusafont Pairó, 1956 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Artiodactyla family Bovidae genus Pliotragus species Antilope ardea Name Homonyms Hesperoceras merlae Villalta & Crusafont Pairó, 1956