| details |
Oligocene |
|
Romania |
Olaru,L. Palynological research in the Paleogene of the Outside Flysch of the Bistrita Valley (Piatra Neamt--Roumania). |
1970 |
| details |
Campanian |
Maastrichtian |
Kansas |
Lammons,J.M. The palynology and paleoecology of the Pierre Shale, (Campanian - Maestrichtian), of northwestern Kansas and Environs. |
1969 |
| details |
Late Burdigalian |
Tortonian |
Romania |
Baltes,N. Microflora from Miocene salt-bearing formations of the Pre-Carpathian Depression (Roumania) |
1967 |
| details |
Maestrichtian |
|
Mexico(Coahuila) |
Rueda-Gaxiola,J. Contribution to the palynologic and petrographic study of the Cretaceous Coal of the Sabina Basin, Coahuila, Mexico |
1967 |
| details |
Liassic |
|
England |
Wall,D. Microplankton, pollen, and spores from the Lower Jurassic in Britain |
1965 |
| details |
Carboniferous |
|
France(Jura) |
Navale,G.K.B. Coal- A palyno-petrographic approach. |
1963 |