original |
Jurassic |
|
Canada(W.Canada) |
Pocock,S.A.J. Palynology of the Jurassic sediments of western Canada. Part 2. Marine species. |
1972 |
original |
Cenomanian |
Turonian |
Wyoming |
Burgess,J.D. Palynological correlation and interpretation of Frontier environment in Central Wyoming |
1970 |
original |
Cenomanian |
Turonian |
Montana |
Burgess,J.D. Palynological correlation and interpretation of Frontier environment in Central Wyoming |
1970 |
original |
Early Cretaceous |
Oligocene |
Ghana |
Chippetta,R. Palynologic correlation of two subsurface sections from Ghana, West Africa. |
1960 |
original |
Oligocene |
|
Ghana |
Chippetta,R. Palynologic correlation of two subsurface sections from Ghana, West Africa. |
1960 |