| details |
Kungurian |
Induan |
USSR(Russian Platform) |
Varyukhina,L.M. Spores and pollen of the red-colored coal-bearing Permian and Triassic sediments of the northeastern part of European SSSR. |
1971 |
| details |
Tatarian |
|
USSR(Arkhangelsk Oblast) |
Bazhenova,S.N. et al. Stratigraphy of the Tatarian Stage of the Volshoi Severnoi Duina and Usta River Interfluve |
1977 |
| details |
Middle Triassic |
|
USSR(Chelyabinskaya) |
Tuzhikova,V.I. On the dating of the deposits of the Turinsk phytostratigraphy horizon, Turinsk and Bitkuyevskaya Suites of the Suhoyaksk Region Chelyabinsk Basin. (In: New data on the Triassic stratigraphy of the Paleo-Urals. V.I. Tuzikova and G.N. Papulov, editors) |
1980 |
| details |
Kazanian |
|
USSR(Kazakh SSR) |
Kultasova,V.K. et al. On the Late Permian age of the Kairaktinsk Suite, Tenizsk Depression |
1986 |
| details |
Late Artinskian |
|
USSR(European) |
Faddeeva,I.Z. Miospores and acritarchs. (In: Atlas of characteristic complexes of Permian fauna and flora of the Urals and Russian Platform) |
1986 |
| details |
Asselian |
Kungurian |
USSR(Kazakh SSR) |
Kukhtinova,L.V. et al. Lower Permian palynocomplexes of the terrigenous deposits in the eastern Caspian Depression |
1990 |