| details |
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 |
| 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 |
| details |
Aptian |
|
Canada(Alberta) |
Singh,C. Microflora of the Lower Cretaceous Mannville Group, east-central Alberta. |
1964 |
| details |
Turonian |
|
USSR(WSL) |
Skuratenko,A.V. Turonian spore and pollen assemblages of some Regions of West Siberia |
1966 |
| details |
Aptian |
Turonian |
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 |
Cenomanian |
|
USSR(Siberia) |
Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. |
1971 |
| details |
Nd |
|
Nd |
Davies,E.H. The Anemiacean, Schizaeacean and related spores. An index to genera and species. |
1985 |