Mammaliaformes Rowe 1988
   [crown] Class Mammalia Linnaeus, 1758 - mammals
     Subclass Theriiformes Rowe, 1988 see Division Theriiformes Rowe, 1988
       Infraclass Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg, 1995 see Clade Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
         Superlegion Trechnotheria McKenna, 1975 see Clade Trechnotheria McKenna 1975
           Legion Cladotheria McKenna, 1975 see Clade Cladotheria McKenna 1975
             Sublegion Zatheria McKenna, 1975 see Clade Zatheria McKenna 1975
               Infralegion Tribosphenida McKenna, 1975 see Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001
                 [crown] Supercohort Theria Parker & Haswell, 1897 - therians see Subclass Theria Parker & Haswell, 1897
                   Cohort Placentalia Owen, 1837 - placentals
                     Magnorder Epitheria McKenna, 1975 see Cohort Placentalia Owen, 1837
                       Superorder Preptotheria McKenna, 1975
                         Grandorder Ferae Linnaeus, 1758
                           Order Cimolesta McKenna, 1975
                             Suborder †Didelphodonta McKenna, 1975 see Order Didelphodonta McKenna, 1975
                               Family †Cimolestidae Marsh, 1889
                                 01 Genus †Cimolestes Marsh, 1889
                                 02 Genus †Procerberus Sloan & Van Valen, 1965
                                 03 Genus †Gelastops Simpson, 1935
                                 04 Genus †Avunculus Van Valen, 1966
                                 05 Genus †Acmeodon Matthew & Granger, 1921
                                 06 Genus †Paleotomus Van Valen, 1967
                                 07 Genus †Tinerhodon Gheerbrant, 1995
                                 08 Genus †Aboletylestes Russell, 1964
                                 09 Genus †Protentomodon Simpson, 1928
                                 10 Genus †Ilerdoryctes Marandat, 1989
                                 11 Genus †Tsaganius Russell & Dashzeveg, 1986
                                 12 Genus †Didelphodus Cope, 1882
                                 13 Genus †Naranius Russell & Dashzeveg, 1986