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 Eparctocyona McKenna, 1975
                             Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
                               Suborder Ruminantia Scopoli, 1777
                                 Superfamily Bovoidea Gray, 1821
                                   Family Bovidae Gray, 1821 - antelope, cattle, bison, buffalo, goats, and sheep
                                     Subfamily Bovinae Gray, 1821
                                       Tribe Boselaphini Knottnerus-Meyer, 1907
                                         01 Genus †Eotragus Pilgrim, 1939
                                         02 Genus †Protragocerus Depéret, 1887
                                         03 Genus †Miotragocerus Stromer, 1928
                                         04 Genus †Sivoreas Pilgrim, 1939
                                         05 Genus †Samokeros Solounias, 1981
                                         06 Genus †Elachistoceras Thomas, 1977
                                         07 Genus †Kipsigicerus Thomas, 1984
                                         08 Genus †Strogulognathus Filhol, 1890
                                         09 Genus †Selenoportax Pilgrim, 1937
                                         10 Genus †Phronetragus Gabunia, 1955
                                         11 Genus †Tragoportax Pilgrim, 1937
                                         12 Genus †Pachyportax Pilgrim, 1937
                                         13 Genus †Tragoreas Schlosser, 1904
                                         14 Genus †Pliodorcas Kretzoi, 1975
                                         15 Genus †Perimia Pilgrim, 1939
                                         16 Genus †Ruticeros Pilgrim, 1939
                                         17 Genus †Mesembriportax Gentry, 1974
                                         18 Genus †Sivaportax Pilgrim, 1939
                                         19 Genus †Plioportax Korotkevich, 1975
                                         20 Genus †Duboisia Stremme, 1911
                                         21 Genus Boselaphus Blainville, 1816 - nilgai
                                         22 Genus Tetracerus Leach, 1825 - four-horned antelope
                                         23 Genus †Proboselaphus Matsumoto, 1915