| details |
Artinskian |
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 |
| details |
Artinskian |
Early Kungurian |
USSR(Pre-Urals) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
| details |
Artinskian |
|
USSR(Pre-Urals) |
Faddeeva,I.Z. Significance of palynological data for the correlation of Permian deposits of some regions of the Euramerian and Tungska phyto-geographical areas. (In: Palynology, Method and Stratigraphy) |
1973 |