| original |
Tournaisian |
Namurian |
USSR(Kazakh SSR) |
Lyuber,A.A. Atlas of spores and pollen of the Paleozoic deposits of Kazakhstan. |
1955 |
| details |
Carboniferous |
|
USSR(Siberia) |
Pashkevich,N.G. et al. Miospores of Upper Paleozoic plants of Central Siberia. |
1978 |
| details |
Early Carboniferous |
|
USSR(Kazakh SSR) |
Bulekbaev,S.E. et al. Carboniferous and Permian deposits in the eastern part of the Pre-Kaspian Depression |
1967 |
| details |
Tournaisian |
Namurian |
USSR(Kazakh SSR) |
Pashkevich,N.G. et al. Miospores of Upper Paleozoic plants of Central Siberia. |
1978 |