| original |
Cenomanian |
Turonian |
USSR(WSL) |
Chlonova,A.F. The composition in species of spores and pollen in the deposits of the Upper Cretaceous of the Chulym-Yenisyei Lowlands. |
1960 |
| details |
Hauterivian |
Barremian |
USSR(WSL) |
Popov,P.A. et al. The history of ferns of the genus Anemia in the Enisei Part of the Western Siberian Lowland and their stratigraphic importance. |
1960 |
| details |
Cenomanian |
Turonian |
USSR |
Bolkhovitina,N.A. Fossil and contemporaneous spores of the Family Schizaeaceae. |
1961 |
| details |
Cenomanian |
Turonian |
USSR(WSL) |
Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. |
1971 |
| details |
Cenomanian |
Turonian |
USSR(WSL) |
Davies,E.H. The Anemiacean, Schizaeacean and related spores. An index to genera and species. |
1985 |
| details |
Cenomanian |
Turonian |
USSR(WSL) |
Davies,E.H. The Anemiacean, Schizaeacean and related spores. An index to genera and species. |
1985 |