| details |
Maastrichtian |
|
USSR(WSL) |
Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. |
1971 |
| details |
Nd |
|
Nd |
Bolkhovitina,N.A. Nomenclature and classification of fossil pollen and spores. |
1973 |
| details |
Maastrichtian |
|
USSR(WSL) |
Grigoreva,K.N. Spore-pollen assemblages of Maestrichtian deposits of the Western Siberian Lowland. |
1966 |
| details |
Turonian |
|
USSR(Kazakh SSR) |
Kruchinina,N.V. et al. Palynostratigraphyof Cretaceous deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |