Mammaliaformes Rowe 1988 [nom. cl. nov.]
   [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 - therians see Clade Theria Parker & Haswell, 1897
                   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 Anagalida (Szalay & McKenna, 1971) McKenna, 1975 see Order Anagalida Szalay & McKenna, 1971
                           Mirorder Duplicidentata
                             Order Lagomorpha Brandt, 1855 - lagomorphs
                               Family Leporidae Batsch, 1788 - hares and rabbits
                                 Genus Oryctolagus Lilljeborg, 1873 - Old World rabbit