| details |
Early Permian |
|
USSR(Kazakh SSR) |
Stukalova,N.I. Paleofloristic regions of central Kazakhstan for the Early Permian, based on palynological data. |
1974 |
| details |
Bashkirian |
|
USSR(Krasnoyarsk Kray) |
Peterson,L.N. Evolutionary features of Carboniferous vegetation in the Tunguska Syneclise (based on palynological evidence). (In: Paleontology and Reconstruction of Geological History of Paleobasins. T.N.Bogdanova and L.T.Khozatsky, editors) |
1987 |
| details |
Serpukhovian |
|
USSR(Siberia) |
Graizer,M.I. et al. Siberian Platform. 2: Southwestern and southern part of the Platform. (In: Early Carboniferous of Central Siberia. V.N.Dubatolov, editor) |
1980 |