| details |
Late Tatarian |
|
USSR(Komi ASSR) |
Chalyashev,V.I. On stratigraphy of the Upper Permian and Triassic of northern Pre-Ural |
1963 |
| details |
Sakmarian |
Kungurian |
USSR(Kazakh SSR) |
Bogomolova,L.L. et al. Subsalt deposits on the East Side of the Caspian Syneclise (Kenkiyak-Mortuk-Zhanazhol area). |
1963 |
| details |
Early Permian |
|
USSR(Chelyabinskaya) |
Silina,Y.N. et al. Permian strata on the East Side of the Urals |
1962 |
| details |
Early Permian |
|
USSR(Chelyabinskaya) |
Varlamov,I.P. et al. New data on the existence of continental Permian deposits on the Eastern Slope of the Southern Urals. |
1962 |
| 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 |