| original |
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 |
Kazanian |
|
USSR(Arkhangelsk Oblast) |
Molin,V.A. Kazanian Stage |
1969 |
| details |
Early Kazanian |
|
USSR(Russian Platform) |
Molin,V.A. et al. Upper Permian spore-pollen assemblages of the northern Russian Platform |
1972 |
| details |
Kazanian |
|
USSR(Arkhangelsk Oblast) |
Yefremov,I.V. et al. Tatarian sequence on the coast of Cheshskaya Bay |
1972 |
| details |
Kazanian |
|
USSR(Komi ASSR) |
Yefremov,I.V. et al. Tatarian sequences on the coast of Cheshskaya Bay. |
1972 |
| details |
Wordian |
|
Barents Sea |
Grigoriev,M. et al. Sedimentology, palynostratigraphy, palynofacies and thermal maturity of Upper Permian rocks of Kolguyev Island, Barents Sea Russia |
1998 |