| details |
Valanginian |
Barremian |
USSR(WSL) |
Golbert,A.V. et al. Paleolandscapes of West Siberia in Jurassic, Cretaceous, and Paleogene. |
1968 |
| details |
Valanginian |
|
USSR |
Samoilovich,S.R. et al. Method and principles of compilation of paleovegetation maps from palynological data |
1971 |
| details |
Wealden |
|
Europe |
Thiergart,F. The stratigraphic value of Mesozoic pollen and spores |
1949 |
| details |
Wealden |
|
W.Germany(Niedersachsen) |
Thiergart,F. The stratigraphic value of Mesozoic pollen and spores |
1949 |
| details |
Wealden |
|
Germany |
Boltenhagen,E. State of knowledge of Lower Cretaceous palynology |
1966 |