| details |
Oligocene |
Miocene |
Czechoslovakia |
Krutzsch,W. Atlas of Middle and Upper Tertiary dispersed spores and pollen as well as microplankton of northern Middle Europe.1.Levigate and Toriate Trilete spore-forms. |
1962 |
| details |
Oligocene |
|
Bulgaria |
Chernyavska,S. et al. Palynological characteristic of Oligocene marine Clays from Varna District. |
1968 |
| details |
Helvetian |
|
Hungary |
Nagy,E. Palynological elaborations in the Miocene Layers of the Mecsek Mountains. |
1969 |
| details |
Tortonian |
Helvetian |
Czechoslovakia |
PacltovŠ,B. et al. New types of spores (genera and species), from the Bohemian Miocene. |
1970 |
| details |
Oligocene |
Early Miocene |
Europe |
Hochuli,P.A. Palynological investigations of the Oligocene and the Early Miocene of the Central and Western Paratethys. |
1978 |