| details |
Early Permian |
|
USSR(Yakut ASSR) |
Grausman,V.V. et al. Stratigraphy of Upper Paleozoic deposits of the Vilyuy Synecline |
1987 |
| details |
Late Carboniferous |
Permian |
USSR(Siberia) |
Krugovykh,V.V. Correlation of the Late Paleozoic coal-bearing deposits of the Western Siberian Platform on the basis of palynological evidence. (In: Palynology in the USSR. A.F.Chlonova, editor) |
1988 |
| details |
Early Ufimian |
|
USSR(Krasnoyarsk Kray) |
Betekhtina,O.A. et al. Palaeontological characteristics of the regional horizons of the Kuznetz Basin. (In: The Upper Paleozoic of the Angara Basins;Fauna and Flora. I.T. Zhuravleva and V.I.Ilina, editor) |
1988 |
| details |
Late Carboniferous |
Early Permian |
USSR(Russian Platform) |
Dryagina,L.L. Description of organic remains; spores and pollen. (In: The Upper Paleozoic of the Angara Basins;Fauna and Flora. I.T. Zhuravleva and V.I.Ilina, editor) |
1988 |
| details |
Kungurian |
Ufimian |
USSR(Siberia) |
Dryagina,L.L. Biostratigraphic analysis of some groups of organic remains; evolutionary stages and methods of stratigraphic utilization; spores and pollen. (In: The Upper Paleozoic of the Angara Basins;Fauna and Flora. I.T. Zhuravleva and V.I.Ilina, editor) |
1988 |
| details |
Asselian |
Kungurian |
USSR(Kazakh SSR) |
Kukhtinova,L.V. et al. Lower Permian palynocomplexes of the terrigenous deposits in the eastern Caspian Depression |
1990 |