Australosphenida (includes Monotremes: Echidnas and Platypuses)

This infraclass includes a number of extinct orders, as well as the sole recent order Monotremata (i.e. echidnas and platypuses). Baby echidnas and platypuses are known as 'puggles'.

 

Order: Monotremata

 

Family: Ornithorhynchidae (platypuses)

—No subordinate taxa

 

Family: Tachyglossidae (echidnas)

Scientific Name Author/s Common Name Last Record Distribution Status Taxon Profile
Echidna owenii Krefft, 1868 Owen's echidna Late Pleistocene Australia Extinct Access
Megalibgwilia ramsayi Owen, 1884 Ramsay's echidna c.48,000 BC New South Wales & Tasmania, Australia Extinct Access
Zaglossus attenboroughi Flannery & Groves, 1998 Attenborough's echidna, Cyclops long-beaked echidna, Sir David's long-beaked echidna (rediscovered) Cyclops Mountains, New Guinea Rediscovered Access
Zaglossus hacketti Glauert, 1914 Hackett's giant echidna c. 38,000 BC? Western Australia, Australia Extinct Access