| details |
Ufimian |
Tatarian |
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 |
Ufimian |
|
USSR(Komi ASSR) |
Varyukhina,L.M. On the palynological characteristics of Ufimian deposits of the Pechorsk Synclise. (In: The Phanerozoic of the Northern European Part of the USSR.) |
1980 |
| details |
Kungurian |
|
USSR(Urals) |
Dyupina,G.V. Palynological characteristics of the boundry between the Artinskian and Kungurian deposits of the Central Pre-Urals. (In: Biostratigraphy of the Artinskian and Kungurian Stages of the Urals. D.M.Rauzer-Chernousova and B.I.Chuvashov, editors) |
1980 |