Region
United States
244
North America
51
Alaska
34
California
25
Wyoming
24
Arizona
23
Colorado
20
West (U.S.)
20
England
19
China
18
Fossil Creek
18
Fossil Creek (Ariz.)
18
Australia
14
Texas
14
Europe
13
Great Britain
12
Idaho
12
Marshall Islands
12
New Mexico
12
Alberta
10
Kentucky
10
Montana
10
Nebraska
10
Oregon
10
South America
9
Bikini Atoll (Marshall Islands)
8
British Columbia
8
Canada
8
Florida
8
New York (State)
8
Southern States
8
Hagerman Fossil Beds National Monument (Idaho)
7
Kansas
7
Oklahoma
7
Utah
7
Africa
6
Antarctica
6
Canal Zone
6
Florissant Fossil Beds National Monument (Colo.)
6
Georgia
6
Mexico
6
Morrison Formation
6
North Carolina
6
Panama
6
South Africa
6
Tennessee
6
Virginia
6
'Eua Island
5
Agate Fossil Beds National Monument (Neb.)
5
Alabama
5
more ...