| details |
Cenomanian |
|
USSR(WSL) |
Lebedev,I.V. et al. The development of the Upper Cretaceous flora of the Western Siberian Lowlands. |
1962 |
| details |
Cenomanian |
|
USSR(WSL) |
Markova,L.G. Spore and pollen assemblages of Mesozoic deposits of the West Siberian Lowland |
1962 |
| original |
Senonian |
|
USSR(WSL) |
Ivanova,E.A. et al. Schizaeaceae. (In: Pyltsa i spory zapadnoi Sibiri, yura-paleotsen. S.R.Samoilovich and N.D.Mtchedlishvili, editors) |
1961 |
| original |
Aptian |
Senonian |
USSR(WSL) |
Ivanova,E.A. et al. Schizaeaceae. (In: Pyltsa i spory zapadnoi Sibiri, yura-paleotsen. S.R.Samoilovich and N.D.Mtchedlishvili, editors) |
1961 |
| original |
Senonian |
|
USSR(WSL) |
Ivanova,E.A. et al. Schizaeaceae. (In: Pyltsa i spory zapadnoi Sibiri, yura-paleotsen. S.R.Samoilovich and N.D.Mtchedlishvili, editors) |
1961 |