mammal Orders

SubClass Protheria (egg-laying mammals)

Monotremata (egg-laying mammals)

Tachyglossidae
(spiny anteaters)

Ornithorhynchidae
(duck-billed platypus)

Subclass Metatheria (marsupials - pouched mammals)

Paucituberculata
(shrew-like insectivores)

Microbiotheria
(Dromiciops australis)

Dasyuromorphia
(numbat, extinct Tasmanian wolf)