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 Cetacea Brisson, 1762 - cetaceans
see Infraorder Cetacea Brisson, 1762
Infraorder Autoceta Haeckel, 1866
Parvorder Odontoceti Flower, 1867 - toothed whales
Superfamily Delphinoidea Gray, 1821
Family Iniidae Gray, 1846 - boutos
1 Genus †Plicodontinia Miranda-Ribeiro, 1938, nom. dub.
2 Genus †Proinia True, 1910
see Genus Prosqualodon Lydekker, 1894
3 Genus †Goniodelphis Allen, 1941
4 Genus †Ischyrorhynchus Ameghino, 1891
5 Genus †Saurodelphis Burmeister, 1891
see Genus Saurocetes Burmeister, 1871
6 Genus Inia d'Orbigny, 1834 - Amazon River dolphin