| original |
Middle Eocene |
|
W.Germany(Hesse) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |
| details |
Oligocene |
|
W.Germany(Hesse) |
Holtz,S. Investigation of the Oligocene spore stratigraphy of Hesse, (West Germany). |
1962 |
| details |
Danian |
|
E.Germany(Halle) |
Kunert,R. et al. The Tertiary to the North of the Halle-Hettstedter Mountain Bridge. |
1964 |
| details |
Early Sparnacian |
|
Bulgaria |
Kedves,M. Palynological investigations into sediments of the Lower Palaeogene Period in Bulgaria. |
1978 |
| details |
Middle Cenomanian |
|
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |
| details |
Middle Albian |
|
California |
Jameossanaie,A. et al. Palynology and plate tectonics: A case study on Cretaceous terrestrial sediments in the eastern Klamath Mountains of northern California, USA. |
1993 |