| original |
Late Malm |
Middle Valanginian |
Netherlands |
Burger,D. Palynology of Uppermost Jurassic and Lowermost Cretaceous strata in the eastern Netherlands. |
1966 |
| details |
Jurassic |
Cretaceous |
Netherlands |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). |
1970 |
| details |
Early Aptian |
|
Spain |
M©dus,J. A palynological method for stratigraphical correlations. |
1970 |
| details |
Early Aptian |
|
France |
M©dus,J. A palynological method for stratigraphical correlations. |
1970 |