Phylum [Vertebrata] Lamarck, 1801 see Infraphylum Vertebrata Lamarck, 1801
   Class Mammalia Linnaeus, 1758 - mammals
     Subclass Theria Parker & Haswell, 1897
       Infraclass Eutheria Gill, 1872
         Cohort Epitheria McKenna, 1975
           Superorder Ferae Linnaeus, 1758 see Grandorder Ferae Linnaeus, 1758
             1 Order †Creodonta Cope, 1875
             2 Order Carnivora Bowdich, 1821 - carnivores