| details |
Permian |
|
USSR(Taymyr Nat.Okrug) |
Dibner,A.F. Permian spore-pollen complexes of the Norilisk Region and the significance of their contemporary deposits. |
1967 |
| details |
Early Kazanian |
Tatarian |
USSR(Russian Platform) |
Molin,V.A. et al. Upper Permian spore-pollen assemblages of the northern Russian Platform |
1972 |
| details |
Late Tatarian |
|
USSR(Arkhangelsk Oblast) |
Bazhenova,S.N. et al. Stratigraphy of the Tatarian Stage of the Volshoi Severnoi Duina and Usta River Interfluve |
1977 |
| details |
Tatarian |
Induan |
USSR(Urals) |
Tuzhikova,V.I. Miospores and stratigraphy of supporting sections of the Uralian Triassic. (Lower Triassic - Upper Permian Boundary) |
1985 |