North America
Alberta, Canada British Columbia, Canada Manitoba, Canada New Brunswick, Canada Newfoundland and Labrador, Canada Northwest Territories, Canada Nova Scotia, Canada Nunavut, Canada Ontario, Canada Prince Edward Island, Canada Quebec, Canada Saskatchewan, Canada Yukon Territory, Canada Northeast region, Mexico Northwest region, Mexico Southeast region, Mexico Southwest region, Mexico Alabama, US Alaska, US Arizona, US Arkansas, US California, US Colorado, US Connecticut, US Delaware, US Florida, US Georgia, US Hawaii, US Idaho, US Illinois, US Indiana, US Iowa, US Kansas, US Kentucky, US Louisiana, US Maine, US Maryland, US Massachusetts, US Michigan, US Minnesota, US Mississippi, US Missouri, US Montana, US Nebraska, US Nevada, US New Hampshire, US New Jersey, US New Mexico, US New York, US North Carolina, US North Dakota, US Ohio, US Oklahoma, US Oregon, US Pennsylvania, US Rhode Island, US South Carolina, US South Dakota, US Tennessee, US Texas, US Utah, US Vermont, US Virginia, US Washington, US West Virginia, US Wisconsin, US Wyoming, US
during the Any period Quaternary Tertiary Cretaceous Jurassic Triassic Permian Carboniferous Devonian Silurian Ordovician Cambrian Precambrian