| details |
Permian |
|
USSR |
Hart,G.F. The systematics and distribution of Permian miospores. |
1965 |
| details |
Werfenian |
Anisian |
Romania |
Oniceanu,M. et al. The palynological contributions of the study of the crystallophylliens and sedimentary formation of zone between Bistricioara-Valea Seaca-Baraseu Valley (Harghita Country, East Carpathians). |
1977 |
| details |
Permian |
|
Arctic Ocean |
Dibner,A.F. et al. Carboniferous, Permian and Triassic spore-pollen assemblages of the Barents Sea Shelf and their geological significance. (In: Geology and mineral genesis in Arctic Region USSR. Symposium of Scientific Studies.) |
1981 |