| original |
Middle Oligocene |
|
E.Germany |
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 |
Ludian |
|
France(Paris Basin) |
Chўteauneuf,J.-J. Palynostratigraphy and paleoclimatic of the Late Eocene-Oligocene of the Paris Basin France |
1980 |
| details |
Early Badenian |
|
Czechoslovakia(Slovensko) |
Planderova,E. Miocene microflora of Slovak Central Paratethys and its biostratigraphic significance. |
1990 |