Mammaliaformes Rowe 1988
   [crown] Class Mammalia Linnaeus, 1758 - mammals
     Subclass Theriiformes Rowe, 1988 see Division Theriiformes Rowe, 1988
       Infraclass Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg, 1995 see Clade Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
         Superlegion Trechnotheria McKenna, 1975 see Clade Trechnotheria McKenna 1975
           Legion Cladotheria McKenna, 1975 see Clade Cladotheria McKenna 1975
             Sublegion Zatheria McKenna, 1975 see Clade Zatheria McKenna 1975
               Infralegion Tribosphenida McKenna, 1975 see Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001
                 [crown] Supercohort Theria Parker & Haswell, 1897 - therians see Subclass Theria Parker & Haswell, 1897
                   Cohort Placentalia Owen, 1837 - placentals
                     Magnorder Epitheria McKenna, 1975 see Cohort Placentalia Owen, 1837
                       Superorder Preptotheria McKenna, 1975
                         Grandorder Ungulata Linnaeus, 1766
                           Mirorder Altungulata Prothero & Schoch, 1989
                             Order Perissodactyla Owen, 1848 - odd-toed ungulates
                               Suborder Ceratomorpha Wood, 1937
                                 Infraorder Tapiromorpha Haeckel, 1866
                                   Superfamily Rhinocerotoidea Gray, 1825
                                     Family †Hyracodontidae Cope, 1879
                                       Subfamily †Paraceratheriinae Osborn, 1923
                                         01 Genus †Forstercooperia Wood, 1938
                                         02 Genus †Ilianodon Chow & Xu, 1961
                                         03 Genus †Imequincisoria Wang, 1976
                                         04 Genus †Juxia Chow & Chiu, 1964
                                         05 Genus †Paraceratherium Forster Cooper, 1911
                                         06 Genus †Indricotherium Borissiak, 1915
                                         07 Genus †Urtinotherium Chow & Chiu, 1963
                                         08 Genus †Benaratherium Gabunia, 1955
                                         09 Genus †Dzungariotherium Chiu, 1973
                                         10 Genus †Caucasotherium Verestchagin, 1960