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
               Superfamily †Plesiadapoidea Trouessart, 1897
                 Family †Micromomyidae Szalay, 1974
                   Genus †Micromomys Szalay, 1973
                     1 †Micromomys silvercouleei Szalay, 1973
                     2 †Micromomys willwoodensis
                     3 †Micromomys vossae
                     4 †Micromomys fremdi