Kingdom Animalia Linnaeus, 1758 - animals
  
 Phylum Chordata Bateson, 1885 - chordates
    
 Subphylum Vertebrata Cuvier, 1812 - vertebrates
 see Infraphylum Vertebrata Lamarck, 1801
      
 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