| 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 |
| details |
Kungurian |
|
USSR(Urals) |
Samoilovich,S.R. Pollen and spores of Permian deposits of Cherdyn and Aktyubinsk in the Lower Urals. (In: Palaeobotanical Symposium) |
1953 |
| details |
Artinskian |
|
USSR(Kazakh SSR) |
Stanichnikova,M.S. et al. Palynological characteristics of Permian and Carboniferous deposits of the southeast part of the Pre-Caspian Basin. (In: Palynological studies (Collected Articles) |
1976 |