Monotremata
Marsupialia
Xenarthra
Pholidota
Tubulidentata
Insectivora
Macroscelidea
Scandentia
Dermoptera
Chiroptera
Primates
Rodentia
Lagomorpha
Carnivora
Cetacea
Artiodactyla
Perissodactyla
Proboscidea
Hyracoidea
Sirenia
Infraclass Metatheria (formerly the Order Marsupialia)
 kangaroo (Order Diprotodontia) |
 marsupial mole (Order Notoryctidae) |
 (Order Dasyuromorphia) |
 koala (Order Diprotodontia) |