Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Vertebrata Cuvier, 1812 - vertebrates
       Class Mammalia Linnaeus, 1758 - mammals
         Grandorder Archonta Gregory, 1910
           Mirorder Primatomorpha Beard, 1991
             1 Order Dermoptera Dobson, 1883
             2 Family †Purgatoriidae Van Valen & Sloan, 1965
             3 Order †Plesiadapiformes Simons & Tattersall, 1972 see Suborder Plesiadapiformes Simons & Tattersall, 1972