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
             Order †Plesiadapiformes Simons & Tattersall, 1972 see Suborder Plesiadapiformes Simons & Tattersall, 1972
               1 Superfamily †Plesiadapoidea Trouessart, 1897
               2 Superfamily †Microsyopoidea Osborn & Wortman, 1892
               3 Family †Picrodontidae Simpson, 1937
               4 Family †Picromyomyidae nom. null. see Family Picromomyidae Rose & Bown, 1996