| details |
Late Cretaceous |
Pleistocene |
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 |
Middle Oligocene |
Early Miocene |
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 |
Late Eocene |
|
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. On the stratigraphy of Paleogene deposits of Bulgaria, (palynological data). |
1973 |
| details |
Late Eocene |
Miocene |
Bulgaria |
Chernyavska,S. Palynological studies on Paleogene deposits in South Bulgaria. |
1977 |
| details |
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 |
| details |
Early Tertiary |
|
Canada(British Columbia) |
Boneham,R.F. Palynology of three Tertiary Coal Basins in South-Central British Columbia |
1968 |
| details |
Campanian |
|
Canada(NWT,Mackenzie) |
Brideaux,W.W. Palynologic evidence for a very Late Cretaceous age of Little bear and East Fork Formation, District of MacKenzie |
1971 |
| details |
Campanian |
Early Maastrichtian |
Canada(NWT,Mackenzie) |
Yorath,C.J. et al. Cretaceous and Tertiary stratigraphy and paleogeography northern Interior Plains, District of MacKenzie. |
1981 |
| details |
Late Cretaceous |
|
Canada(NWT,Mackenzie) |
Norford,B.S. et al. Biostratigraphic determinations of fossils from the subsurface of the Yukon Territory and the Districts of Franklin, Keewtin and MacKenzie |
1973 |
| details |
Late Cretaceous |
Early Paleogene |
China |
Song,Z.-C. et al. Compaison of palynomorph assemblages from the Cretaceous/Tertiary boundary interval in Western Europe, Northwest Africa and South China |
1997 |
| 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 |
Oligocene |
China(Liaoning) |
Ke et al. Early Tertiary spores and pollen grains from the Coastal Region of Bohai |
1978 |