| details |
Purbeckian |
Valanginian |
Poland |
Mamczar,J. Palynological stratigraphy of Beds at the Jurassic-Cretaceous boundary in the Kujawy area. |
1966 |
| details |
Purbeckian |
Early Valanginian |
Poland |
Mamczar,J. The Jurassic-Cretaceous boundary in the Polish Lowland in the light of spores and pollen analysis |
1968 |
| details |
Purbeckian |
Early Valanginian |
Poland |
Mamczar,J. Boundary between the Jurassic and Cretaceous in the Polish Lowland determined on palynological examinations. |
1971 |
| details |
Liassic |
Dogger |
Poland |
Rogalska,M. Stratigraphy of the Lower and Middle Jurassic in the Polish Lowlands on the basis of spore and pollen analysis. |
1976 |