Mammaliaformes Rowe 1988
Period: Late Triassic - Present (237 Ma - present); Status: extant; Count: [g†g] 1c;24o;125f;1081g; ‡1o;6f;43g; †24o;301f;4057g;1s
   [crown] Class Mammalia Linnaeus, 1758 - mammals
  Period: Late Triassic - Present (237 Ma - present); Status: extant; Count: [g†g] 24o;125f;1081g; ‡1o;6f;43g; †21o;294f;4034g;1s
     Subclass Theriiformes Rowe, 1988 see Division Theriiformes Rowe, 1988
    Period: Late Triassic - Present (237 Ma - present); Status: extant; Count: [g†g] 22o;123f;1078g; ‡1o;6f;43g; †21o;294f;4031g;1s
       Infraclass Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg, 1995 see Clade Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
      Period: Late Triassic - Present (237 Ma - present); Status: extant; Count: [g†g] 22o;123f;1078g; ‡1o;6f;43g; †20o;277f;3936g;1s
         Superlegion Trechnotheria McKenna, 1975 see Clade Trechnotheria McKenna 1975
        Period: Early Jurassic - Present (201.3 Ma - present); Status: extant; Count: [g†g] 22o;123f;1078g; ‡1o;6f;43g; †20o;274f;3932g
           Legion Cladotheria McKenna, 1975 see Clade Cladotheria McKenna 1975
          Period: Middle Jurassic - Present (174.1 Ma - present); Status: extant; Count: [g†g] 22o;123f;1078g; ‡1o;6f;43g; †18o;269f;3910g
             Sublegion Zatheria McKenna, 1975 see Clade Zatheria McKenna 1975
            Period: Middle Jurassic - Present (174.1 Ma - present); Status: extant; Count: [g†g] 22o;123f;1078g; ‡1o;6f;43g; †16o;262f;3884g
               Infralegion Tribosphenida McKenna, 1975 see Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001
              Period: Early Cretaceous - Present (145 Ma - present); Status: extant; Count: [g†g] 22o;123f;1078g; ‡1o;6f;43g; †16o;258f;3877g
                 [crown] Supercohort Theria Parker & Haswell, 1897 - therians see Subclass Theria Parker & Haswell, 1897
                Period: Early Cretaceous - Present (145 Ma - present); Status: extant; Count: [g†g] 22o;123f;1078g; ‡1o;6f;43g; †16o;256f;3874g
                   Cohort Placentalia Owen, 1837 - placentals
                  Period: Early Cretaceous - Present (145 Ma - present); Status: extant; Count: [g†g] 17o;108f;1005g; ‡1o;5f;40g; †12o;218f;3610g
                     Magnorder Epitheria McKenna, 1975 see Cohort Placentalia Owen, 1837
                    Period: Early Cretaceous - Present (145 Ma - present); Status: extant; Count: [g†g] 15o;103f;992g; ‡4f;34g; †12o;208f;3390g
                       Superorder Preptotheria McKenna, 1975
                      Period: Late Cretaceous - Present (100.5 Ma - present); Status: extant; Count: [g†g] 15o;103f;992g; ‡4f;34g; †12o;204f;3358g
                         Grandorder Ferae Linnaeus, 1758
                        Period: Late Cretaceous - Present (100.5 Ma - present); Status: extant; Count: [g†g] 2o;12f;116g; ‡3g; †1o;28f;540g
                           1 Order Cimolesta McKenna, 1975
                          Period: Late Cretaceous - Present (100.5 Ma - present); Status: extant; Count: [g†g] 1f;4g; †21f;128g
                           2 Order †Creodonta Cope, 1875
                          Period: Late Paleocene - Late Miocene (59.2 - 5.333 Ma); Status: fossil; Count: [†g] †2f;61g
                           3 Order Carnivora Bowdich, 1821 - carnivores
                          Period: Early Paleocene - Present (66 Ma - present); Status: extant; Count: [g†g] 11f;112g; ‡3g; †5f;351g