details |
Early Permian |
|
USSR(Tyumenskaya Oblast) |
Dibner,A.F. Stratigraphic significance of spore and pollen assemblages of Imangda Coal deposits in the Norilsk Region. |
1961 |
details |
Late Permian |
|
USSR(Siberia) |
Dibner,A.F. et al. Stratigraphic significance of Carboniferous and Permian palynocomplexes in divided terrigenous deposits of Soviet Arctic Island. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
details |
Tatarian |
|
USSR(Urals) |
Tuzhikova,V.I. Miospores and stratigraphy of supporting sections of the Uralian Triassic. (Lower Triassic - Upper Permian Boundary) |
1985 |