original |
Early Cretaceous |
|
Wyoming |
Davis,P.N. Palynology and stratigraphy of the Lower Cretaceous rocks of northern Wyoming |
1963 |
original |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group (Late Lower Cretaceous) and its lithological equivalents in central and west-central Alberta, Canada. |
1968 |
original |
Cenomanian |
|
France |
Davey,R.J. Non-calcareous microplankton from the Cenomanian of England, Northern France and North America. Part 2. |
1970 |
original |
Late Siegenian |
Emsian |
Canada(Gaspe Area) |
Utting,J. Palynology. (In: Analytical Investigation of the Mineralogy, Geochemistry, Palynology and reflectome try of the "Gaspe Sandstone" Series of Central Gaspe Quebec. J.L.Pittion, editor) |
1975 |