| details |
Tournaisian |
Namurian B |
USSR(Ukrainian SSR) |
Teteryuk,V.K. Stratigraphic separation of Lower Carboniferous deposits of the western part of the Donbas by spores and pollen |
1960 |
| details |
Late Tatarian |
|
USSR(Komi ASSR) |
Chalyashev,V.I. On stratigraphy of the Upper Permian and Triassic of northern Pre-Ural |
1963 |
| details |
Middle Carboniferous |
|
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 |
Early Jurassic |
Middle Jurassic |
USSR(Sverdlovskaya) |
Kara-Murza,E.N. Spores and pollen of Mesozoic deposits of the northern Eniseydk Lensk Region. |
1954 |