| details |
Late Permian |
|
USSR(Magadan Oblast) |
Gor,Y.G. et al. New stratigraphic data on the Upper Permian Layers of the Middle Part of the Lower Tunguska River. |
1966 |
| details |
Late Permian |
|
USSR(Magadan Oblast) |
Dibner,A.F. The stratigraphic significance of miospores from layers of the Tunguska Series, disclosed in borehole 9-K (Lower Tunguska River). |
1968 |
| details |
Early Permian |
|
USSR(Tyumenskaya Oblast) |
Dibner,A.F. Stratigraphic significance of spore and pollen assemblages of Imangda Coal deposits in the Norilsk Region. |
1961 |