| details |
Sakmarian |
Kungurian |
USSR(Kazakh SSR) |
Bogomolova,L.L. et al. Subsalt deposits on the East Side of the Caspian Syneclise (Kenkiyak-Mortuk-Zhanazhol area). |
1963 |
| details |
Early Permian |
Late Permian |
USSR(Tyumenskaya Oblast) |
Dibner,A.F. Stratigraphic significance of spore and pollen assemblages of Imangda Coal deposits in the Norilsk Region. |
1961 |
| 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 |
| details |
Permian |
|
USSR(Evenki Nat.Okrug) |
Medvedeva,A.M. Stratigraphic subdivision of lower horizons of the Tunguska Series by spore-pollen analysis. |
1960 |
| details |
Early Permian |
|
USSR(Urals) |
Abramova,S.A. et al. Palynological investigations of Upper Kama's potassium deposits, underlying Kungurian Salt Layers. |
1960 |
| details |
Early Permian |
|
USSR |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Artinskian |
|
USSR(Urals) |
Samoilovich,S.R. Pollen and spores of Permian deposits of Cherdyn and Aktyubinsk in the Lower Urals. (In: Palaeobotanical Symposium) |
1953 |
| original |
Artinskian |
|
USSR(Urals) |
Samoilovich,S.R. Pollen and spores of Permian deposits of Cherdyn and Aktyubinsk in the Lower Urals. (In: Palaeobotanical Symposium) |
1953 |