Oklahoma, US

The state's mammalian diversity consists of 96 living species in 8 orders, 22 families, and 62 genera.

Subclass Infraclass Order Families Genera Living species Extinct species (last 500 years)
Theria Marsupialia 1 1 1 0
Theria Placentalia 1 1 1 0
Theria Placentalia 1 2 4 0
Theria Placentalia 7 27 47 0
Theria Placentalia 2 4 5 0
Theria Placentalia 2 11 19 0
Theria Placentalia 6 13 15 0
Theria Placentalia 2 3 4 0