Mammaliaformes Rowe 1988
[crown clade] Mammalia Linnaeus, 1758 - mammals
Theriiformes Rowe, 1988
see Division Theriiformes Rowe, 1988
Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg, 1995
see Clade Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
Trechnotheria McKenna, 1975
see Clade Trechnotheria McKenna 1975
Cladotheria McKenna, 1975
see Clade Cladotheria McKenna 1975
Zatheria McKenna, 1975
see Clade Zatheria McKenna 1975
Tribosphenida McKenna, 1975
see Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001
[crown clade] Theria Parker & Haswell, 1897 - therians
see Subclass Theria Parker & Haswell, 1897
Placentalia Owen, 1837 - placentals
Epitheria McKenna, 1975
see Cohort Placentalia Owen, 1837
Preptotheria McKenna, 1975
Ungulata Linnaeus, 1766
Eparctocyona McKenna, 1975
Cete Linnaeus, 1758
see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
Cetacea Brisson, 1762 - cetaceans
see Infraorder Cetacea Brisson, 1762
Autoceta Haeckel, 1866
Odontoceti Flower, 1867 - toothed whales
Delphinoidea Gray, 1821
01 †Hesperoinia Zei, 1956, nom. dub.
02 †Palaeophocaena Abel, 1905
03 †Protophocaena Abel, 1905
04 †Prionodelphis Frenguelli, 1922, nom. dub.
05 Delphinidae Gray, 1821 - oceanic dolphins
06 Pontoporiidae Gray, 1870 - Franciscana, La Plata dolphin
07 Lipotidae Zhou, Quian & Li, 1978 - baiji
08 Iniidae Gray, 1846 - boutos
09 †Kentriodontidae Slijper, 1936
10 Monodontidae Gray, 1821 - white whales
11 †Odobenocetopsidae de Muizon, 1993
12 †Dalpiazinidae de Muizon, 1988
13 †Acrodelphinidae Abel, 1905, nom. dub.
14 Phocoenidae Gray, 1825 - porpoises
15 †Albireonidae Barnes, 1984
16 †Hemisyntrachelidae Slijper, 1936
see Family Delphinidae Gray, 1821