| details |
Turonian |
|
USSR(WSL) |
Skuratenko,A.V. Turonian spore and pollen assemblages of some Regions of West Siberia |
1966 |
| details |
Aptian |
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 |
Aptian |
|
USSR(Yakut ASSR) |
Verbitskaya,Z.I. Characteristics of the Basic spore-pollen complexes of Mesozoic deposits. (In: The History of Upper Mesozoic Coal Accumulation in the Territory of Buryat ASSR and the Southeast Part of the Lensk Basin.) |
1963 |
| details |
Early Valanginian |
|
USSR(Yakut ASSR) |
Lyubomirova,K.A. et al. Results of palynological studies of Lower Cretaceous deposits in the northern part of the Leno-Anabar Trough. (In: Palynological Investigations of Paleozoic and Mesozoic deposits of Northern USSR and Caspian Sea Region. N.A. Timoshina, editor) |
1985 |