| 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 |
Permian |
|
USSR(Urals) |
Hart,G.F. The systematics and distribution of Permian miospores. |
1965 |
| details |
Permian |
|
USSR(Urals) |
Zauer,V.V. The Permian flora of Solikamsk |
1965 |
| details |
Sakmarian |
Kungurian |
USSR(Kazakh SSR) |
Bogomolova,L.L. et al. Subsalt deposits on the East Side of the Caspian Syneclise (Kenkiyak-Mortuk-Zhanazhol area). |
1963 |
| 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 |