| details |
Early Eocene |
|
Germany |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| original |
Danian |
Middle Miocene |
W.Germany(Hesse) |
Thomson,P.W. et al. Pollen and spores of the Middle European Tertiary. |
1953 |
| details |
Aptian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. On stratigraphical position and paleogeographical importance of the Sphagnumsporites, Raatz, genus spores |
1972 |
| details |
Aptian |
Albian |
USSR(Ukrainian SSR) |
Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. |
1971 |