| details |
Permian |
|
USSR(Kemerovskaya) |
Dryagina,L.L. Spore-pollen complexes, (Lower Permian - Upper Permian). (In: Biostratigraphy of the Paleozoic of the Sayano-Altai Mining Region.Vol. III. Upper Paleozoic. L.L.Khalfina, editor) |
1962 |
| details |
Early Permian |
|
USSR(Urals) |
Abramova,S.A. et al. Palynological investigations of Upper Kama's potassium deposits, underlying Kungurian Salt Layers. |
1960 |
| details |
Permian |
|
USSR(Kemerovskaya) |
Andreeva,E.M. Spore-pollen characteristics of the Balokhonka and Erunakova Suites of the Kuznets Basin. (In: Atlas of guide forms of fossil fauna and flora of Permian deposits of the Kuznets Basin.) |
1956 |
| 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 |
| original |
Early Permian |
Late Permian |
USSR(Pre-Urals) |
Lyuber,A.A. et al. Atlas of microspores and pollen of the Paleozoic of the USSR. |
1941 |