Vertebrata Cuvier, 1812 - vertebrates
Gnathostomata
Teleostomi
Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
Class Mammalia Linnaeus, 1758 - mammals
Subclass Theria Parker & Haswell, 1897
Theria of Metatherian-Eutherian grade
Infraclass Eutheria Gill, 1872
Order †Creodonta Cope, 1875 [monotypic]
Suborder †Hyaenodontia
see Order Creodonta Cope, 1875
1 Family †Hyaenodontidae Leidy, 1869
2 Family †Oxyaenidae Cope, 1877