original |
Aptian |
Cenomanian |
USSR(WSL) |
Gromova,N.S. et al. Short description of spores and pollen from Upper Cretaceous and Paleocene deposits of the central and southeastern regions of the Western Siberian Lowland. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complexes of various Regions of the USSR). |
1960 |
original |
Oligocene |
Miocene |
USSR(Azerbaijan SSR) |
Dzhabarova,K.S. Flora and vegetation of Western Azerbaijan during the Upper Miocene. |
1967 |
original |
Middle Eocene |
|
USSR(Ukrainian SSR) |
Asatkina,E.F. et al. Short description of spores and pollen from Mid-Eocene deposits of the Ukraine. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complexes of various Regions of the USSR). |
1960 |