| original |
Middle Eocene |
Early Oligocene |
Canada(NWT,Mackenzie) |
Norris,G. Systematic and stratigraphic palynology of the Eocene to Pliocene strata in the Imperial Nuktak C-22 Well, MacKenzie Delta Region, District of MacKenzie, NWT. |
1986 |
| original |
Eocene |
|
Atlantic(Norwegian Sea) |
Manum,S.B. et al. Eocene to Miocene palynology of the Norwegian Sea (ODP Leg 104) |
1989 |
| original |
Campanian |
Maastrichtian |
Canada(Alberta) |
Gunther,P.R. et al. Megaspores and other palynomorphs of the Brazeau Formation (Upper Cretaceous) Nordegg area, Alberta, Canada. |
1972 |
| original |
Late Miocene |
|
Denmark |
Bertelsen,F. Late Tertiary Azolla species from Romo, southwest Denmark. |
1974 |