Clade Mammaliaformes Rowe 1988 [Rowe 1988]
   [crown] Class Mammalia Linnaeus, 1758 - mammals
     Subclass Theriiformes (Rowe, 1988) M.C. McKenna & S.K. Bell, 1997 see Division Theriiformes
       Infraclass Holotheria (Wible et al., 1995) M.C. McKenna & S.K. Bell, 1997 see [unranked] Holotheria
         Superlegion Trechnotheria McKenna, 1975 see [unranked] Trechnotheria McKenna, 1975
           Legion Cladotheria McKenna, 1975 see [unranked] Cladotheria McKenna, 1975
             Sublegion Zatheria McKenna, 1975 see [unranked] Zatheria McKenna, 1975
               Infralegion Tribosphenida McKenna, 1975 see Sublegion Boreosphenida
                 Supercohort Theria (Parker & Haswell, 1897) M.C. McKenna & S.K. Bell, 1997 - therians see [unranked] Theria
                   Cohort Placentalia (Owen, 1837) M.C. McKenna & S.K. Bell, 1997 - placentals
                     Magnorder Epitheria (McKenna, 1975) M.C. McKenna & S.K. Bell, 1997 see Cohort Placentalia (Owen, 1837) M.C. McKenna & S.K. Bell, 1997
                       Superorder Preptotheria (McKenna, 1975) McKenna, 1993
                         Grandorder Ungulata Linnaeus, 1766
                           Mirorder Eparctocyona McKenna, 1975
                             Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard et al., 1997
                               Suborder Suiformes Jaeckel, 1911 see Suborder Suina Gray, 1868
                                 1 Genus †Aksyiria Gabunia, 1973
                                 2 Family †Raoellidae Sahni et al., 1981
                                 3 Family †Choeropotamidae Owen, 1845
                                 4 Superfamily Suoidea (Gray, 1821) Cope, 1887
                                 5 Superfamily †Dichobunoidea (Turner, 1849) Weber, 1904
                                 6 Superfamily †Anthracotherioidea (Leidy, 1869) Gill, 1872 see Superfamily Hippopotamoidea
                                 7 Superfamily †Anoplotherioidea Gray, 1821
                                 8 Superfamily †Oreodontoidea Leidy, 1869
                                 9 Superfamily †Entelodontoidea (Lydekker, 1883) Colbert, 1938