| details |
Kungurian |
|
USSR(Kazakh SSR) |
Efremova,G.D. A spore-pollen assemblage as found in the Kungurian deposits of the Western Primugodzhare. (In: Fossil Spores and Pollen of Plants and their Significance for their Stratigraphic Subdivivision of Oil and Gas Bearing Series of Precambrian, Paleozoic and Mesozoic rocks in the European and Central Asian Regions of the USSR. S.V.Semikhatovoi, V.P.Grichuka, and K.A.Bolkhovitina, editors) |
1967 |
| details |
Ufimian |
Tatarian |
USSR(Russian Platform) |
Varyukhina,L.M. Spores and pollen of the red-colored coal-bearing Permian and Triassic sediments of the northeastern part of European SSSR. |
1971 |
| details |
Ufimian |
|
USSR(Kazakh SSR) |
Zamarenov,A.K. et al. The Upper Permian sediments of the eastern side of the Fore-Caspian Depression. |
1972 |
| details |
Early Kazanian |
|
USSR(Orenburg) |
Gayazova,A.L. Spore-pollen complexes from the Lower Kazanian deposits of the Orenburg District. |
1974 |