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 Metatheria Huxley, 1880 [monotypic]
Order Marsupialia Jameson, 1818 - marsupials
see Cohort Marsupialia Jameson, 1818
(New World and European marsupials)
Family †Bonapartheriidae Pascual, 1980, incertae sedis