Mammaliaformes Rowe 1988
Period: Late Triassic - Present (237 Ma - present); Status: extant
   [crown] Class Mammalia Linnaeus, 1758 - mammals
  Period: Late Triassic - Present (237 Ma - present); Status: extant
     Subclass Theriiformes Rowe, 1988 see Division Theriiformes Rowe, 1988
    Period: Late Triassic - Present (237 Ma - present); Status: extant
       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
         Superlegion Trechnotheria McKenna, 1975 see Clade Trechnotheria McKenna 1975
        Period: Early Jurassic - Present (201.3 Ma - present); Status: extant
           Legion Cladotheria McKenna, 1975 see Clade Cladotheria McKenna 1975
          Period: Middle Jurassic - Present (174.1 Ma - present); Status: extant
             Sublegion Zatheria McKenna, 1975 see Clade Zatheria McKenna 1975
            Period: Middle Jurassic - Present (174.1 Ma - present); Status: extant
               Infralegion Tribosphenida McKenna, 1975 see Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001
              Period: Early Cretaceous - Present (145 Ma - present); Status: extant
                 [crown] Supercohort Theria Parker & Haswell, 1897 - therians see Subclass Theria Parker & Haswell, 1897
                Period: Early Cretaceous - Present (145 Ma - present); Status: extant
                   Cohort Placentalia Owen, 1837 - placentals
                  Period: Early Cretaceous - Present (145 Ma - present); Status: extant
                     Magnorder Epitheria McKenna, 1975 see Cohort Placentalia Owen, 1837
                    Period: Early Cretaceous - Present (145 Ma - present); Status: extant
                       Superorder Preptotheria McKenna, 1975
                      Period: Late Cretaceous - Present (100.5 Ma - present); Status: extant
                         Grandorder Ungulata Linnaeus, 1766
                        Period: Late Cretaceous - Present (100.5 Ma - present); Status: extant
                           Mirorder Altungulata Prothero & Schoch, 1989
                          Period: Late Paleocene - Present (59.2 Ma - present); Status: extant
                             Order Uranotheria McKenna & Bell, 1997 see Grandorder Paenungulata Simpson, 1945
                            Period: Late Paleocene - Present (59.2 Ma - present); Status: extant
                               Suborder Tethytheria McKenna, 1975 see Mirorder Tethytheria McKenna, 1975
                              Status: extant
                                 Infraorder Behemota McKenna, Bell & Shoshani, 1997 see Clade Behemota McKenna, Bell & Shoshani 1997
                                Status: extant
                                   Parvorder Proboscidea Owen, 1859 see Order Proboscidea Owen, 1859
                                  Status: extant
                                     Superfamily Elephantoidea Gray, 1821
                                    Status: extant
                                       Family †Gomphotheriidae Hay, 1922 - gomphotheres
                                      Distribution: Africa, Europe, Asia, North, Middle & South America; Period: Early Miocene - Late Pleistocene (23.03 - 0.0117 Ma); Status: fossil
                                         Subfamily †Gomphotheriinae Hay, 1922
                                        Status: fossil
                                           Tribe †Amebelodontini Barbour, 1927
                                          Status: fossil
                                             Subtribe †Amebelodontina Barbour, 1927 - shovel-tuskers
                                            Status: fossil
                                               Genus †Serbelodon Frick, 1933
                                              Status: fossil