| details |
Selandian |
|
Russia(Siberia) |
Podobina,V.M. et al. Change of micropaleontological assemblages at the Cretaceous - Paleogene boundary in western Siberia. |
1997 |
| details |
Maastrichtian |
|
USSR(Carpathians) |
Portnyagina,L.A. Possibility of distinguishing the Upper Cretaceous and Paleogene flysch of the Soviet Carpathians by means of data from spore-pollen analysis. |
1964 |
| original |
Paleocene |
|
USSR(WSL) |
Zaklinskaya,E.D. Subdivision of Maestrichtian-Danian-Paleocene sediments of Western Siberia on the basis of data on spore and pollen Aalysis |
1960 |