| details |
Middle Oligocene |
Late Oligocene |
Bulgaria |
Chernyavska,S. Spore-pollen zones in certain Old Tertiary Coal bearing sediments in Bulgaria. |
1970 |
| details |
Thanetian |
Late Lutetian |
France(Paris Basin) |
Kedves,M. Palynological studies of the Lower Tertiary Beds of the Paris Region. 2: Table of some species and types of sporomorphs. |
1968 |
| details |
Oligocene |
|
Bulgaria |
Chernyavska,S. et al. Palynological characteristic of Oligocene marine Clays from Varna District. |
1968 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Characteristics of the spore and pollen assemblages from the Upper Eocene Coals in eastern Bulgaria |
1967 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Fossil spores and pollen grains of the Priabonian Coal Basins in Bulgaria and their climatic interpretation. |
1967 |
| details |
Tertiary |
|
Germany(Brandenburg) |
Sontag,E. Microbotanical (Palynological) analysis on 2 Niederlausitzer Seam horizon |
1966 |
| details |
Tertiary |
|
South Africa |
Thiergart,F. et al. Palynological studies of Tertiary Coals and of a surface sample near Knysna, South Africa. |
1963 |
| details |
Montian |
|
E.Germany(Neubranden.) |
Krutzsch,W. et al. Lower Paleocene (?Montian) in West Brandenburg. |
1960 |
| details |
Tertiary |
|
Europe |
Krutzsch,W. Observations of the nomenclature and classifica Tion of Tertiary spores and pollen |
1954 |
| details |
Eocene |
|
W.Germany(Hesse) |
Krutzsch,W. Observations of the nomenclature and classifica Tion of Tertiary spores and pollen |
1954 |