| details |
Middle Eocene |
Late Oligocene |
China(Hopei) |
Sung,T.C. et al. Early Tertiary spores and pollen grains from the Coastal Region of Bohai. |
1978 |
| details |
Middle Eocene |
Miocene |
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 |
| details |
Kimmeridgian |
Valanginian |
Canada(NWT,Mackenzie) |
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 |
Oligocene |
|
Bulgaria |
Chernyavska,S. et al. Correlation of the Old Tertiary Basins in Southwest Bulgaria on the basis of spore and pollen analysis |
1962 |
| details |
Oligocene |
|
Bulgaria |
Chernyavska,S. Palynological studies on Paleogene deposits in South Bulgaria |
1977 |
| details |
Early Oligocene |
|
Bulgaria |
Chernyavska,S. Palynological studies on Paleogene deposits in South Bulgaria |
1977 |
| details |
Oligocene |
Late Neogene |
Bulgaria |
Chernyavska,S. et al. Correlation of the Old Tertiary Basins in Southwest Bulgaria on the basis of the spore and pollen analysis. |
1964 |
| details |
Eocene |
Late Neogene |
Bulgaria |
Chernyavska,S. et al. Correlation of the Old Tertiary Basins in Southwest Bulgaria on the basis of the spore and pollen analysis. |
1964 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Spore-pollen zones in certain Old Tertiary Coal bearing sediments in Bulgaria. |
1970 |
| details |
Oligocene |
|
Bulgaria |
Chernyavska,S. et al. Palynological characteristic of Oligocene marine Clays from Varna District. |
1968 |
| details |
Priabonian |
Early Oligocene |
Bulgaria |
Ivanov,R. et al. On the age of the Palaeogene volcanic activity in Western Bulgaria according to data of geological, petrographical and palynolgical studies.1. The Palaeogene of the Suhostrel-Pades Are. |
1971 |
| details |
Late Eocene |
|
Bulgaria |
Ivanov,R. et al. Geological, petrographic and palynological data on the age of the Palaeogene Volcanic activity in Western Bulgaria.2. The Paleogene of Kamenica. |
1971 |
| details |
Early Oligocene |
|
Bulgaria |
Ivanov,R. et al. Geological, petrographical and palynological data on the age of the Palaeogene Volcanic activity in Western Bulgaria.3. ThePalogene of Mesta. |
1972 |
| details |
Early Oligocene |
|
Bulgaria |
Ivanov,R. et al. Geological, petrographical and palynological data on the age of the Palaeogene Volcanic activity in Western Bulgaria.3. ThePalogene of Mesta. |
1972 |
| details |
Oligocene |
|
Bulgaria |
Chernyavska,S. Palynological studies on Paleogene deposits in South Bulgaria. |
1977 |
| details |
Oligocene |
Oligocene |
Bulgaria |
Chernyavska,S. Palynological studies on Paleogene deposits in South Bulgaria |
1977 |
| details |
Early Eocene |
|
Belgium |
Krutzsch,W. et al. Pollenflora from Epinois and Loksbergen, Belgium. |
1977 |