| details |
Turonian |
|
USSR(WSL) |
Skuratenko,A.V. Turonian spore and pollen assemblages of some Regions of West Siberia |
1966 |
| details |
Valanginian |
Danian |
USSR(Siberia) |
Markova,L.G. Distribution of Schizaeaceae spores in the Cretaceous Layers of the Western Siberian Lowland and their importance for Sratigraphy. |
1966 |
| details |
Turonian |
|
USSR(WSL) |
Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. |
1971 |
| details |
Hauterivian |
Albian |
USSR(WSL) |
Markova,L.G. The history of development of the Early Cretaceous flora from the Western Siberian Lowlands (Based on palynological facts). |
1971 |
| details |
Nd |
|
Nd |
Davies,E.H. The Anemiacean, Schizaeacean and related spores. An index to genera and species. |
1985 |