| original |
Late Malm |
|
E.Germany(Rostock) |
Dжring,H. New spore genera and species from the Jurassic-Cretaceous boundary in northern Germany. |
1964 |
| details |
Late Jurassic |
|
E.Germany(Rostock) |
Dжring,H. New spore genera and species from the Jurassic-Cretaceous boundary in northern Germany. |
1964 |
| details |
Early Berriasian |
|
E.Germany |
Dжring,H. The stratigraphic classification of spores from the Lower Cretaceous of northern Central Europe. |
1966 |
| details |
Berriasian |
|
E.Germany |
Dжring,H. Table of the spore stratigraphic Divisions of the Malm |
1966 |