| original |
Neocomian |
Albian |
Maryland |
Brenner,G.J. The spores and pollen of the Potomac Group of Maryland |
1962 |
| original |
Early Cretaceous |
|
Maryland |
Brenner,G.J. The spores and pollen of the Potomac Group of Maryland |
1963 |
| 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 |
Aptian |
|
Canada(NWT,Mackenzie) |
Brideaux,W.W. et al. Miospores and microplankton from Aptian-Albian rocks along Horton River, District of MacKenzie |
1975 |
| details |
Middle Albian |
|
Portugal |
M©dus,J. et al. Palynofloras from an Albian cutting, Foz do Folcao, (Portugal). |
1980 |
| details |
Barremian |
Aptian |
Spain |
Doubinger,J. et al. A Barremian microflora in the Province of Valencia, Spain. |
1981 |
| details |
Hauterivian |
Early Barremian |
Spain |
Mas,J.R. The Lower Cretaceous of Northwestern Valencia |
1981 |
| details |
Early Cretaceous |
|
Maryland |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
| details |
Early Cretaceous |
|
Maryland |
Fensome,R.A. Taxonomy and biostratigraphy of Schizaealean spores from the Jurassic-Cretaceous boundary beds of the Aklavik Range, District of MacKenzie |
1987 |