| details |
Early Triassic |
|
USSR(Chukchi Aut.Okrug) |
Kopylova,T.N. et al. Mesozoic sedimentary deposits of eastern Chukchi. (In: Mesozoic deposits of North East USSR) |
1977 |
| details |
Ladinian |
|
USSR(Siberia) |
Dagis,A.S. et al. Stratigraphy of the Ladinian Stage of North Central Siberia. (In: The Palaeontology and Stratigraphy of the Middle Triassic of Siberia) |
1980 |
| details |
Carnian |
Norian |
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 |