Clade Mammaliaformes Rowe 1988 [Rowe 1988]
[crown] Class Mammalia Linnaeus, 1758 - mammals
Subclass Theriiformes (Rowe, 1988) M.C. McKenna & S.K. Bell, 1997
see Division Theriiformes
Infraclass Holotheria (Wible et al., 1995) M.C. McKenna & S.K. Bell, 1997
see [unranked] Holotheria
Superlegion Trechnotheria McKenna, 1975
see [unranked] Trechnotheria McKenna, 1975
Legion Cladotheria McKenna, 1975
see [unranked] Cladotheria McKenna, 1975
Sublegion Zatheria McKenna, 1975
see [unranked] Zatheria McKenna, 1975
Infralegion Tribosphenida McKenna, 1975
see Sublegion Boreosphenida
Supercohort Theria (Parker & Haswell, 1897) M.C. McKenna & S.K. Bell, 1997 - therians
see [unranked] Theria
Cohort Placentalia (Owen, 1837) M.C. McKenna & S.K. Bell, 1997 - placentals
Magnorder Epitheria (McKenna, 1975) M.C. McKenna & S.K. Bell, 1997
see Cohort Placentalia (Owen, 1837) M.C. McKenna & S.K. Bell, 1997
Superorder Preptotheria (McKenna, 1975) McKenna, 1993
Grandorder Ungulata Linnaeus, 1766
Mirorder Eparctocyona McKenna, 1975
Order Cete Linnaeus, 1758
see Order Cetartiodactyla Montgelard et al., 1997
Suborder Cetacea (Brisson, 1762) M.C. McKenna & S.K. Bell, 1997 - cetaceans
Infraorder Autoceta Haeckel, 1866
Parvorder Odontoceti (Flower, 1869) M.C. McKenna & S.K. Bell, 1997
Superfamily Delphinoidea (Gray, 1821) Flower, 1864
Family Iniidae (Gray, 1846) Gray, 1866 - boutos
1 Genus †Plicodontinia Miranda-Ribeiro, 1938
2 Genus †Proinia True, 1910
3 Genus †Goniodelphis Allen, 1941
4 Genus †Ischyrorhynchus Ameghino, 1891
5 Genus †Saurodelphis Burmeister, 1891
6 Genus Inia d'Orbigny, 1834 - boutos, Amazon dolphins