| original |
Kungurian |
Kazanian |
USSR(European) |
Efremova,G.D. On the classification of dispersed pollen Striatili Pant,1954. (In: On the Methods in Paleopalynological Studies.) |
1966 |
| details |
Late Permian |
|
USSR(European) |
Faddeeva,I.Z. Significance of palynological data for the correlation of Permian deposits of some regions of the Euramerian and Tungska phyto-geographical areas. (In: Palynology, Method and Stratigraphy) |
1973 |
| details |
Late Carboniferous |
Kazanian |
USSR(Urals) |
Dyupina,G.V. Lower Permian spore-pollen complexes from the Middle Urals. |
1974 |
| details |
Asselian |
|
USSR(Urals) |
Chuvashov,B.I. et al. The Upper Paleozoic Basin of the Sinara Basin. (In: Support sections of the Carboniferous of the Urals. Symposium on the Problems of Stratigraphy. #26. G.N.Papulof and I.V.Pakhomov, editors) |
1979 |