| original |
Valanginian |
Barremian |
USSR(WSL) |
Malyavkina,V.S. et al. Pinaceae. (In: Pyltsa i spory zapadnoi Sibiri, yura-paleotsen. S.R.Samoilovich and N.D.Mtchedlishvili, editors) |
1961 |
| details |
Hauterivian |
|
USSR(Ukrainian SSR) |
Orlova-Turchina,G.A. The Hauterivian and Barremian spore-pollen complexes of the West and central parts of the Crimea Plain. |
1966 |
| details |
Valanginian |
|
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 |
Hauterivian |
Barremian |
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 |
Volgian |
|
USSR(WSL) |
Rovnina,L.V. The palynological method in the study of standard Categories of organic substances in oil-gas layers. (In: Complex examination of the Jurassic and Lower Cretaceous stratigraphy of Western Siberia. L.A.Rovnina, editor) |
1978 |
| details |
Barremian |
|
USSR(WSL) |
Rovnina,L.V. et al. Lower Cretaceous deposits. (In: Complex examination of the Jurassic and Lower Cretaceous stratigraphy of Western Siberia. L.A.Rovnina, editor) |
1978 |
| details |
Barremian |
|
USSR(Nenets Nat.Okrug) |
Gryazeva,A.S. Palynological basis for the stratigraphy of Lower Cretaceous deposits of the Pechorsk Basin. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| 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 |
| details |
Late Volgian |
|
USSR(Siberia) |
Rovnina,L.V. et al. Microphytofossils of boundary deposits of Jurassic and Cretacous in Western Siberia. (In: Jurassic - Cretaceous Boundary. V.V.Menner, editor) |
1990 |
| details |
Early Jurassic |
Middle Jurassic |
Russia(Siberia) |
Rovnina,L.V. et al. Floristic evolution and paleogeographic situation in the Early Middle Jurassic of West Siberia |
1997 |