| details |
Tatarian |
|
USSR(Taymyr Nat.Okrug) |
Dibner,A.F. A correlation of sections of the Permian deposits of the Byirang Mountains, according to spore pollen data. (In: Collected Articles on Geology and Oil-Gas Formations of the Arctic. B.V.Tkachenko, editor) |
1962 |
| details |
Induan |
|
USSR(Komi ASSR) |
Chalyshev,V.I. et al. The boundary of the Permian and Triassic in the Red-Colored deposits of northern Priural |
1965 |
| details |
Tatarian |
|
USSR(Urals) |
Tuzhikova,V.I. Miospores and stratigraphy of supporting sections of the Uralian Triassic. (Lower Triassic - Upper Permian Boundary) |
1985 |