Pachyaena ossifraga (Cope, 1874) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia family Mesonychidae genus Pachyaena species Pachyaena ossifraga Name Synonyms Mesonyx ossifraga (Cope, 1874) Pachyaena intermedia Wortman, 1899 Homonyms Pachyaena ossifraga (Cope, 1874)