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
see Infraphylum Vertebrata Lamarck, 1801
Class Mammalia Linnaeus, 1758 - mammals
Subclass Prototheria Gill, 1872 - monotremes
Order Monotremata Bonaparte, 1837 - monotremes
1 Family Tachyglossidae Gill, 1872 - spiny anteaters
2 Family Ornithorhynchidae Gray, 1825 - platypuses