| details |
Paleocene |
Eocene |
Germany |
Potonie,R. Pollen and spore forms as guide fossils of the Tertiary |
1951 |
| original |
Paleocene |
Eocene |
E.Germany |
Potonie,R. Revision of stratigraphically important sporomorphs of the Middle European Tertiary. |
1951 |
| details |
Tertiary |
|
Europe |
Krutzsch,W. Observations of the nomenclature and classifica Tion of Tertiary spores and pollen |
1954 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Valanginian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. Palynological characterization of Upper Jurassic Lower Cretaceous boundary formations of the Dnieper-Donets Depression. |
1971 |
| details |
Valanginian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. Palynological characteristic of the contiguous Upper Jurassic-Lower Cretaceous formations of the Dnepr-Donets Trough. |
1971 |
| details |
Valanginian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. |
1971 |
| details |
Aptian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. |
1971 |