| 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 |
Barremian |
USSR(Ukrainian SSR) |
Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. |
1971 |
| details |
Jurassic |
|
Romania |
Gherasi,N. et al. Consideration on the age of Crystalline Schists and sediment of the Danubian of MountainGodeanu in the South Carpathian. |
1973 |
| details |
Jurassic |
|
Romania |
Givulescu,R. Fossil flora of Romania. (3rd Supplement) |
1978 |