| details |
Early Paleogene |
|
USSR(Saratov) |
Daykovskiy,V.S. Palynology of Lower Paleogene deposits of Levoberezh Saratov Oblast. |
1981 |
| details |
Nd |
|
Nd |
Zaklinskaya,E.D. et al. Taxonomy and nomenclature of fossil spores and pollen |
1960 |
| details |
Eocene |
|
USSR(Yakut ASSR) |
Goncharov,V.F. et al. On the Eocene age of Tastakh series of Yan-Indigirka Lowland |
1970 |
| original |
Middle Eocene |
|
USSR(Kazakh SSR) |
Zaklinskaya,E.D. Angiosperm pollen and their significance for the stratigraphy of the Upper Cretaceous and Paleogene |
1963 |