| details |
Early Permian |
|
USSR(Urals) |
Abramova,S.A. et al. Palynological investigations of Upper Kama's potassium deposits, underlying Kungurian Salt Layers. |
1960 |
| details |
Early Permian |
|
South Dakota |
Kremp,G.O.W. Report on referred fossils.I. |
1960 |
| details |
Aptian |
Albian |
USSR(Caucasus) |
Edemskaya,A.L. The spore-pollen complexes originated in the Aptian and Albian deposits in the eastern part of northern Caucasus |
1960 |
| details |
Rhaetian |
Liassic |
USSR(WSL) |
Derviz,T.L. Stratigraphy of Jurassic deposits of the Middle Course of the Irtysh'ob and Chulymo-Eniseiskoi Depression. (In: Geology and Petroleum Resources of the western part of the Western Siberian Plain. S.G.Galerkina, editor) |
1959 |
| original |
Kungurian |
|
USSR(Urals) |
Samoilovich,S.R. Pollen and spores of Permian deposits of Cherdyn and Aktyubinsk in the Lower Urals. (In: Palaeobotanical Symposium) |
1953 |