| details |
Late Kungurian |
Kazanian |
USSR(Pre-Urals) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
| details |
Early Kazanian |
|
USSR(Komi ASSR) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
| details |
Kazanian |
|
USSR(Pre-Urals) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
| details |
Late Tatarian |
|
USSR(Kirov) |
Olferev,A.G. On the correlation of Stratotypic sections of the Upper Tatavian Substage |
1974 |
| 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 |