| details |
Ufimian |
Kazanian |
USSR(Udmurt ASSR) |
Utting,J. et al. Late Permian palynomorph assemblages from Ufimian and Kazanian sequences in Russia, and comparison with Roadian and Wordian assemblages from the Canadian Arctic |
1997 |
| details |
Kazanian |
Tatarian |
USSR(Urals) |
Hart,G.F. Permian palynofloras and their bearing on Continental Drift. (In: Paleogeographic Provinces and Provinciality, Charles A. Ross, editor) |
1974 |
| details |
Early Permian |
|
USSR(Urals) |
Bulatov,D.I. Agapovskaya strata -Permian deposits of Magnitogorsk Megasynclinorium |
1968 |
| details |
Permian |
|
USSR(Urals) |
Kareva,E.A. The Upper Paleozoic and Lower Mesozoic of the Eastern Slope of the Urals and the western part of the Western Siberian Lowlands. (In: Geology and Petroleum Resources of the western parts of the Western Siberian Lowlands. S.G.Galerkina, editor) |
1959 |
| details |
Kungurian |
Kazanian |
USSR(Urals) |
Samoilovich,S.R. Pollen and spores of Permian deposits of Cherdyn and Aktyubinsk in the Lower Urals. (In: Palaeobotanical Symposium) |
1953 |
| details |
Permian |
Triassic |
USSR(Uzbek SSR) |
Sikstel,T.A. et al. On the flora past of Central Asia. (In: The Paleobotany of Uzbekistan. T.A.Sikstel, editor) |
1968 |