Kingdom Animalia Linnaeus, 1758 - animals
Count: -
   Phylum Chordata Bateson, 1885 - chordates
  Count: -
     Subphylum Vertebrata Cuvier, 1812 - vertebrates
    Count: -
       Class Mammalia Linnaeus, 1758 - mammals
      Count: -
         Grandorder Archonta Gregory, 1910
        Count: -
           Mirorder Primatomorpha Beard, 1991
          Count: -
             Order †Plesiadapiformes Simons & Tattersall, 1972 see Suborder Plesiadapiformes Simons & Tattersall, 1972
            Count: [†*] †9f;44g;97s
               Superfamily †Plesiadapoidea Trouessart, 1897
              Count: [†*] †5f;23g;64s
                 Family †Paromomyidae Simpson, 1940
                Count: [†*] †8g;17s
                   Genus †Ignacius Matthew & Granger, 1921
                  Count: [†*] †4s
                     †Ignacius graybullianus Bown & Rose, 1976
                    Count: -