| details |
Early Wealden |
Middle Wealden |
E.Germany(Rostock) |
Dжring,H. New spore genera and species from the Jurassic-Cretaceous boundary in northern Germany. |
1964 |
| original |
Wealden |
|
E.Germany(Rostock) |
Dжring,H. New spore genera and species from the Jurassic-Cretaceous boundary in northern Germany. |
1964 |
| details |
Berriasian |
|
E.Germany |
Dжring,H. The stratigraphic classification of spores from the Lower Cretaceous of northern Central Europe. |
1966 |
| details |
Wealden |
|
E.Germany |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |