Hoplophoneus primaevus (Leidy & Owen, 1851) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Carnivora family Nimravidae genus Hoplophoneus species Machairodus primaevus Name Homonyms Hoplophoneus primaevus (Leidy & Owen, 1851)