| details |
Senonian |
|
Nd |
Roselt,G. Palaobotanic and palaobotanical method and geological investigation. |
1972 |
| details |
Early Santonian |
|
France(Gard) |
M©dus,J. Contribution to the knowledge of pollen associations at the end of the Cretaceous in Southeast France and Northast Spain. |
1970 |
| details |
Early Campanian |
|
E.Germany |
Krutzsch,W. The stratigraphic classification of spores from the Upper Cretaceous in North Central Europe-Methodical Bases and present status of investigations |
1966 |
| original |
Middle Senonian |
|
W.Germany(N.Rhine) |
Weyland,H. et al. The spores and pollen of the Cretaceous of Aachen and their meaning for the characterization of the Middle Senonian. |
1953 |
| details |
Nd |
|
Nd |
Pflug,H.D. Origin and development of the angiosperm pollen in earth history |
1953 |