| details |
Sakmarian |
Artinskian |
USSR(Kazakh SSR) |
Dalyan,I.B. et al. Palynological separation of the stratigraphy of Lower Permian deposits of the eastern Border zone of the Precaspian Depression |
1977 |
| details |
Sakmarian |
|
USSR(Urals) |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |
| details |
Sakmarian |
|
USSR(Aktyubinskaya) |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |