details |
Late Permian |
|
USSR(Kemerovskaya) |
Lezhnin,A.I. et al. Description of the route of the excursion to the Kuznetsk Basin |
1971 |
details |
Late Carboniferous |
Early Permian |
USSR(Siberia) |
Vashchenko,E.M. et al. New data on the stratigraphy of the Carboniferous deposits on the Northeast Margin of the Tunguska Synclise |
1982 |
details |
Ufimian |
|
USSR(Siberia) |
Dryagina,L.L. Biostratigraphic analysis of some groups of organic remains; evolutionary stages and methods of stratigraphic utilization; spores and pollen. (In: The Upper Paleozoic of the Angara Basins;Fauna and Flora. I.T. Zhuravleva and V.I.Ilina, editor) |
1988 |
details |
Tatarian |
|
USSR(Leningrad) |
Faddeeva,I.Z. Palynostratigraphy of Permian deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |