| details |
Tournaisian |
|
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 |
| original |
Tournaisian |
|
USSR(Kalinin) |
Yushko,L.A. New species of microspores from Cherepetsk deposit of the Tournaisian Stage from the Moscow Basin. (In: Data on geology and useful minerals of the central regions of the European part of the USSR.) |
1960 |
| details |
Late Permian |
|
USSR(Siberia) |
Krugovykh,V.V. Correlation of the Late Paleozoic coal-bearing deposits of the Western Siberian Platform on the basis of palynological evidence. (In: Palynology in the USSR. A.F.Chlonova, editor) |
1988 |
| details |
Early Carboniferous |
|
USSR(Ukrainian SSR) |
Shkrebta,G.P. et al. On the spores and pollen Compexes in crude oils and oil bearing Rocks |
1971 |