Papua New Guinea

The country's mammalian diversity consists of 292 living and 4 extinct species in 8 orders, 24 families, and 110 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 1 2 2 0
Theria Marsupialia 2 8 20 1
Theria Marsupialia 1 4 10 0
Theria Marsupialia 6 14 48 0
Theria Placentalia 1 1 1 0
Theria Placentalia 1 30 89 3
Theria Placentalia 7 34 97 0
Theria Placentalia 5 17 25 0