| details |
Middle Oligocene |
|
USSR(Ukrainian SSR) |
Shchekina,N.A. Results of spore And-pollen investigation of the Middle Maikop deposits of the South of the Ukraine |
1969 |
| details |
Late Oligocene |
|
USSR(Ukrainian SSR) |
Shchekina,N.A. Results of spore And-pollen investigation of the Middle Maikop deposits of the South of the Ukraine |
1969 |
| details |
Late Eggenburgian |
Early Ottnangian |
Czechoslovakia(Slovensko) |
Planderova,E. Miocene microflora of Slovak Central Paratethys and its biostratigraphic significance. |
1990 |