| details |
Oligocene |
|
Bulgaria |
Chernyavska,S. et al. Palynological characteristic of Oligocene marine Clays from Varna District. |
1968 |
| details |
Late Eocene |
Miocene |
Bulgaria |
Chernyavska,S. Palynological studies on Paleogene deposits in South Bulgaria. |
1977 |
| details |
Nd |
|
Nd |
Boulter,M.C. et al. A system of group names for some Tertiary pollen. |
1977 |
| details |
Eocene |
Miocene |
W.Germany(Rhineland) |
Boulter,M.C. et al. A system of group names for some Tertiary pollen. |
1977 |
| details |
Eocene |
Miocene |
Czechoslovakia |
Boulter,M.C. et al. A system of group names for some Tertiary pollen. |
1977 |
| details |
Eocene |
Miocene |
Poland |
Boulter,M.C. et al. A system of group names for some Tertiary pollen. |
1977 |
| details |
Eocene |
Miocene |
W.Germany |
Boulter,M.C. et al. A system of group names for some Tertiary pollen. |
1977 |