| details |
Early Oligocene |
|
Romania |
Petrescu,J. General characteristics of the spore-pollen spectrum from the Oligocene of the northwestern part of Transylvania. |
1972 |
| details |
Late Oligocene |
Late Pliocene |
Europe |
Krutzsch,W. Atlas of the Middle and Upper Tertiary dispersed spores and pollen as well as the mikroplankton forms of northern central Europe. VII: Monoporate, monocolpate, longicolpate dicolpate an dephedroide (polyplicate) pollen forms. |
1970 |
| details |
Middle Eocene |
|
Hungary |
Kedves,M. Palynological studies on Hungarian Early Tertiary deposits. |
1969 |
| details |
Oligocene |
|
Hungary |
Kedves,M. et al. Palynologic investigations in the strata of Buda Marl with plant Remarlins. |
1968 |