Super-class

Class

Sub-class

Order

Sub-order

Family

Sub-family

Gnathostomata

Mammalia

Metatheria

Marsupialia

Polyprotodonta

Didelphidae

Didelphinae

Caluromyinae

Dasyuridae

Thylacinidae

Notorychtidae

Myrmecobiidae

Peramelidae

Thylacomyidae

Caenolestidae

Microbiotheriidae

Diprotodonta

Palangeridae

Burramyidae

Petauridae

Pseudocheiridae

Tarsipedidae

Pascolarctidae

Vombatidae

Potoroidae

Macropodidae

Prototheria

Monotremata

Tachyglossidae

Ornithorhynchidae