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 Ferae Linnaeus, 1758
Order Carnivora Bowdich, 1821 - carnivores
Suborder Caniformia Kretzoi, 1943
Infraorder Arctoidea Flower, 1869
Parvorder Mustelida Tedford, 1976
see Parvorder Musteloidea Kretzoi, 1929
Family Mustelidae Batsch, 1788 - weasels, badgers, skunks, and otters
Subfamily Lutrinae Bonaparte, 1838 - otters
Tribe Lutrini Bonaparte, 1838
Genus Pteronura Gray, 1837 - giant otter