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 Altungulata (Prothero & Schoch, 1989) M.C. McKenna & S.K. Bell, 1997
                             Order Perissodactyla Owen, 1848 - odd-toed ungulates
                               Suborder Ceratomorpha Wood, 1937 see Infraorder Ceratomorpha Wood, 1937
                                 Infraorder Tapiromorpha (Haeckel, 1866) M.C. McKenna & S.K. Bell, 1997 see Suborder Tapiromorpha Haeckel, 1866
                                   Superfamily Tapiroidea Gray, 1825
                                     1 Genus †Sastrilophus Sahni & Khare, 1971
                                     2 Genus †Indolophus Pilgrim, 1925
                                     3 Family †Helaletidae Osborn, 1892
                                     4 Family †Isectolophidae Peterson, 1919
                                     5 Family †Lophiodontidae Gill, 1872
                                     6 Family †Deperetellidae Radinsky, 1965
                                     7 Family †Lophialetidae Matthew & Granger, 1925
                                     8 Family Tapiridae Gray, 1821 - tapirs