| details |
Permian |
|
USSR(Krasnoyarsk Kray) |
Dryagina,L.L. Spore and pollen assemblages in the Kolchugina series of the Kuznetz Basin and their possible use for correlation of stratigraphic sections and Coal Seams. (In: Late Paleozoic coal bearing Formations of Central Siberia.) |
1970 |
| original |
Late Permian |
|
USSR(European) |
Dryagina,L.L. Palynological characteristics of the Rrunak key section of Upper Permian deposits of the Kolchuginsk Series in the Uznetsk Basin. |
1980 |
| details |
Late 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 |
Tatarian |
|
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 |