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 Archonta Gregory, 1910 see Grandorder Archonta Gregory, 1910
             Order Dermoptera Dobson, 1883
               Family †Plagiomenidae Matthew, 1918
                 1 Genus †Planetetherium Simpson, 1928