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 Cervoidea Batsch, 1788
                                   Family Cervidae Batsch, 1788 - deer
                                     Subfamily Cervinae Batsch, 1788
                                       Tribe †Megacerini Viret, 1961
                                         01 Genus †Praesinomegaceros Vislobokova, 1983
                                         02 Genus †Arvernoceros Heintz, 1968 - Arde deer
                                         03 Genus †Neomegaloceros Korotkevich, 1971
                                         04 Genus †Orchonoceros Vislobokova, 1979
                                         05 Genus †Sinomegaceros Dietrich, 1933
                                         06 Genus †Psekupsoceros Radulesco & Samson, 1967
                                         07 Genus †Praemegaceros Portis, 1920
                                         08 Genus †Candiacervus Kuss, 1975
                                         09 Genus †Megaloceros Brookes, 1828
                                         10 Genus †Allocaenelaphus Radulesco & Samson, 1967
                                         11 Genus †Megaceroides Joleaud, 1914
                                         12 Genus †Nesoleipoceros Radulesco & Samson, 1967 see Subgenus Nesoleipoceros Radulesco & Samson, 1967