| details |
Middle Albian |
Late Albian |
Canada(Manitoba) |
Playford,G. Palynology of the Basal Cretaceous (Swan River) strata of Saskatchewan and Manitoba |
1971 |
| details |
Early Cretaceous |
|
Maryland |
Brenner,G.J. Palynological analysis of selected samples taken from wells contained in the correlation cross-section of southern Maryland. (In: Geophysical Log Cross Section Network of Cretaceous Sediments of South Maryland. H.J.Hansen, editor) |
1968 |
| details |
Late Barremian |
Aptian |
E.Germany |
Dжring,H. The stratigraphic classification of spores from the Lower Cretaceous of northern Central Europe. |
1966 |
| details |
Early Cretaceous |
|
Guianas |
Hammen,T.Van Der et al. Palynology and age of the Takutu Formation (Guyana). |
1966 |
| details |
Barremian |
Aptian |
Germany |
Dжring,H. Spore-stratigraphic comparison between the Wealdean of northern Germany and of Southern England |
1966 |
| details |
Jurassic |
Early Cretaceous |
British Guiana |
Hammen,T.Van Der et al. Pollen flora and age of the Takutu Formation (Guyana). |
1966 |
| details |
Middle Albian |
Early Cenomanian |
Colorado |
Pannella,G. Palynology of the Dakota Group and Graneros Shale of the Denver Basin. |
1966 |
| details |
Middle Albian |
Early Cenomanian |
Nebraska |
Pannella,G. Palynology of the Dakota Group and Graneros Shale of the Denver Basin. |
1966 |
| original |
Neocomian |
Albian |
Maryland |
Brenner,G.J. The spores and pollen of the Potomac Group of Maryland |
1962 |