| details |
Permian |
|
USSR(Kazakh SSR) |
Hart,G.F. The systematics and distribution of Permian miospores. |
1965 |
| details |
Permian |
|
USSR(Siberia) |
Dibner,A.F. Cordaitales pollen from Angaraland. |
1971 |
| details |
Ufimian |
|
USSR(Russian Platform) |
Molin,V.A. et al. Upper Permian spore-pollen assemblages of the northern Russian Platform |
1972 |
| details |
Late Permian |
Early Triassic |
USSR(Yakut ASSR) |
Safyainikov,Y.V. Concerning the formation, size and age of the Lower Triassic Tuffogenic structure of South Western Yakuts. (In: Material on the Biostratigraphy and Paleogeography of Eastern Siberia) |
1975 |
| details |
Kazanian |
|
USSR(Kazakh SSR) |
Kultasova,V.K. et al. On the Late Permian age of the Kairaktinsk Suite, Tenizsk Depression |
1986 |