| details |
Early Jurassic |
Middle Jurassic |
Poland |
Grabowska,I. et al. Flora from the Lower and Middle Jurassic microflora |
1970 |
| details |
Nd |
|
Nd |
Lantz,J. Study of the spores and pollen of a Purbeckian sample from the Island of Oleron. |
1958 |
| details |
Purbeckian |
|
Poland |
Mamczar,J. The Jurassic-Cretaceous boundary in the Polish Lowland in the light of spores and pollen analysis |
1968 |
| details |
Early Valanginian |
|
Poland |
Mamczar,J. The Jurassic-Cretaceous boundary in the Polish Lowland in the light of spores and pollen analysis |
1968 |
| details |
Early Barremian |
|
China(Heilungkiang) |
Shang,Y.-K. Palynology of the angiospermous fossil-bearing Bed of the Cheng Formation, Jixi, Heilongjiang Province |
1997 |