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 |
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 |
Toarcian |
|
Spitsbergen |
Bjaerke,T. Mesozoic palynology of Svalbard IV. Toarcian dinoflagellates from Spitsbergen. |
1980 |