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 Cete Linnaeus, 1758
see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
Suborder †Acreodi Matthew, 1909
see Order Acreodi Matthew, 1909
Family †Mesonychidae Cope, 1875
01 Genus †Yantanglestes Ideker & Yan, 1980
02 Genus †Hukoutherium Chow, Chang, Wang & Ting, 1973
03 Genus †Dissacusium Zhou, Zhang, Wang & Ding, 1977
04 Genus †Ankalagon van Valen, 1980
05 Genus †Sinonyx Zhou, Zhai, Gingerich & Chen, 1995
06 Genus †Dissacus Cope, 1881
07 Genus †Pachyaena Cope, 1874
08 Genus †Jiangxia Zhang, Zheng & Ding, 1979
09 Genus †Mongolonyx Szalay & Gould, 1966
10 Genus †Harpagolestes Wortman, 1901
11 Genus †Hessolestes Peterson, 1931
12 Genus †Synoplotherium Cope, 1872
13 Genus †Mesonyx Cope, 1872
14 Genus †Guilestes Zheng & Chi, 1978
15 Genus †Mongolestes Szalay & Gould, 1966