| details |
Early Permian |
|
USSR(Urals) |
Dyupina,G.V. Lower Permian spore-pollen assemblage from Bagagyaka River and Karabolki River. (In: Permian deposits of the East Slope of the Urals. Collection on Problems of Stratigraphy #9. N.P.Malakhov, editor) |
1967 |
| details |
Ufimian |
|
USSR(Urals) |
Vasileva,M.M. Results of a study of spore-pollen assemblages of Upper Permian deposits of the Aktyubinsk Region the Urals. (In: Biostratigraphy and Paleontology of Paleozoic Deposits of the Eastern Part of the Russian Platform and Western Priuralye. A.K.Gusev, editor) |
1970 |
| details |
Kungurian |
|
USSR(Urals) |
Vyalukhin,G.I. On the age of deposits of the upper part of the Urtazymsk Suite (Southern Urals). (In: Upper Paleozoic Terrigenous Deposits of the Urals.) |
1970 |
| details |
Early Permian |
|
USSR(Kazakh SSR) |
Stukalova,N.I. Paleofloristic regions of central Kazakhstan for the Early Permian, based on palynological data. |
1974 |
| details |
Kazanian |
|
USSR(Kazakh SSR) |
Kultasova,V.K. et al. On the Late Permian age of the Kairaktinsk Suite, Tenizsk Depression |
1986 |