Vertebrata Cuvier, 1812 - vertebrates
   Gnathostomata
     Teleostomi
       Tetrapoda Goodrich, 1930
         Amniota Haeckel, 1866 - amniotes
           Class Mammalia Linnaeus, 1758 - mammals
             Subclass Theria Parker & Haswell, 1897
               Theria of Metatherian-Eutherian grade
                 Infraclass Eutheria Gill, 1872
                   Order Primates Linnaeus, 1758 - primates
                     Suborder †Plesiadapiformes Simons & Tattersall, 1972
                       1 Superfamily †Paramomyoidea see Superfamily Paromomyoidea Simpson, 1940
                       2 Superfamily †Plesiadapoidea Trouessart, 1897