| details |
Early Kazanian |
|
USSR(Nenets Nat.Okrug) |
Koloda,N.A. et al. Miospores. (In: Permian deposits of Novaya Zemlya. N.V. Kalashniko et al, editors) |
1981 |
| details |
Late 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 |
| details |
Early Permian |
|
USSR(Nenets Nat.Okrug) |
Makarov,K.K. et al. A description of the main sections. (In: Permian deposits of Novaya Zemlya. N.V. Kalashniko et al, editors) |
1981 |