Kingdom [Animalia] Linnaeus, 1758 - animals
Subkingdom Metazoa Haeckel, 1874
see Kingdom Animalia Linnaeus, 1758
Division Eumetazoa Butschli, 1910
see Subkingdom Eumetazoa Butschli, 1910
Subdivision Bilateralia
Phylum Chordata Bateson, 1885 - chordates
Subphylum Vertebrata Cuvier, 1812 - vertebrates
Class Mammalia Linnaeus, 1758 - mammals
1 Subclass Prototheria Gill, 1872 - monotremes
2 Subclass Metatheria Huxley, 1880
see Infraclass Metatheria Huxley, 1880
3 Subclass Eutheria Gill, 1872
see Infraclass Eutheria Gill, 1872