| details |
Early Kazanian |
|
USSR(Nenets Nat.Okrug) |
Koloda,N.A. et al. Miospores. (In: Permian deposits of Novaya Zemlya. N.V. Kalashniko et al, editors) |
1981 |
| details |
Early Kazanian |
Middle Kazanian |
USSR(Far East) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
| details |
Carboniferous |
Permian |
USSR(Siberia) |
Pashkevich,N.G. et al. Miospores of Upper Paleozoic plants of Central Siberia. |
1978 |
| details |
Bashkirian |
|
USSR(Vologda) |
Pegusheva,L.M. Spore-pollen complexes of Middle and Upper Carboniferous deposits of the southwestern part of the Volgograd Oblast. (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. Semikhatovoi, V.P.Grichuka, and K.A.Bolkhovitina, editors) |
1967 |
| details |
Artinskian |
Tatarian |
USSR(Taymyr Nat.Okrug) |
Dibner,A.F. A correlation of sections of the Permian deposits of the Byirang Mountains, according to spore pollen data. (In: Collected Articles on Geology and Oil-Gas Formations of the Arctic. B.V.Tkachenko, editor) |
1962 |