| details |
Valanginian |
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 |
Valanginian |
Aptian |
USSR(WSL) |
Mchedlishvili,N.D. Lower Cretaceous flora of the northwestern part of the Western Siberian Lowland. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) |
1971 |
| details |
Valanginian |
Albian |
USSR(Ukrainian SSR) |
Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. |
1971 |
| details |
Volgian |
|
USSR(Taymyr Nat.Okrug) |
Grigoreva,K.N. Palynological characteristics of Upper Jurassic deposits of the Kheta River (Yenisey-Khatansk Trough). (In: Stratigraphy and Paleontology of Siberia) |
1981 |