details |
Early Kazanian |
|
USSR(Komi ASSR) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
details |
Kazanian |
|
USSR(Pre-Urals) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
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 |
Permian |
|
USSR(Urals) |
Zauer,V.V. The Permian flora of Solikamsk |
1965 |
details |
Early Permian |
|
USSR(Urals) |
Abramova,S.A. et al. Palynological investigations of Upper Kama's potassium deposits, underlying Kungurian Salt Layers. |
1960 |