United States

Mammal diversity statistics for United States, including counts of orders, families, genera, extant species, and extinct species. This list excludes widespread and domesticated species.

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

2

2

1

1

Theria

Placentalia

2

3

18

0

Theria

Placentalia

8

49

239

0

Theria

Placentalia

2

9

50

0

Theria

Placentalia

4

22

49

0

Theria

Placentalia

9

37

59

2

Theria

Placentalia

12

40

66

0