| details |
Rhaetian |
|
USSR(Urals) |
Prosviryakova,Z.P. Palynological bases for the Early Triassic age of coal deposits of the Korkinsk Coal Region of the Chelyabinsk Basin. (In: Spores and pollen of Phanerozoic deposits. L.A. Panova et al, editors) |
1984 |
| details |
Nd |
|
Nd |
Hart,G.F. The systematics and distribution of Permian miospores. |
1965 |
| details |
Nd |
|
Nd |
Naumova,S.N. Spores and pollen of coals of the USSR. |
1939 |
| details |
Nd |
|
Nd |
Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains |
1954 |
| details |
Kungurian |
Kazanian |
USSR(Urals) |
Dyupina,G.V. Lower Permian spore-pollen complexes from the Middle Urals. |
1974 |
| details |
Early Permian |
|
USSR(Tadzhik SSR) |
Sivertseva,I.A. Lower Permian spores and pollen of the Pamirs. |
1974 |
| 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 |