| details |
Early Eocene |
|
USSR(Far East) |
Brattseva,G.M. Palynological investigations of the Upper Cretaceous and Paleogene of the Far East |
1969 |
| details |
Early Eocene |
|
USSR(Yamalo-Nenets) |
Shakhmundes,V.A. On floristic connections of the North of Western Siberia and Europe in the Early Eocene. (In: On the Methods in Paleopalynological Studies.) |
1966 |
| details |
Eocene |
|
USSR(Far East) |
Brattseva,G.M. The age of 'Tsagainsk Flora' in Asia (On the basis of spore and pollen analysis data). (In: The Importance of Palynological Analysis for the Stratigraphic and Paleofloristic Investigations. M.I. Nejshtadt, editor. Papers for the Second International Palynology Conference., Utrecht,1966) |
1966 |
| original |
Late Eocene |
Early Oligocene |
USSR(WSL) |
Lyubomirova,K.A. Paleogene Hamamelidaceae spores from Northwestern Siberia |
1965 |