Australia

The country's mammalian diversity consists of 357 living and 33 extinct species in 10 orders, 41 families, and 134 genera.

Notes: The list excludes widespread and domesticated species. Extinct species are based on records in the past 500 years.

Subclass Infraclass Order Families Genera Living species Extinct species (last 500 years)
Prototheria Australosphenida 2 2 2 0
Theria Marsupialia 1 1 2 0
Theria Marsupialia 3 15 65 5
Theria Marsupialia 3 4 10 8
Theria Marsupialia 11 34 87 8
Theria Placentalia 1 1 1 0
Theria Placentalia 1 14 54 11
Theria Placentalia 9 27 77 1
Theria Placentalia 2 8 11 0
Theria Placentalia 8 28 48 0