| details |
Aptian |
Early Cenomanian |
USSR(WSL) |
Pokrovskaya,I.M. Lower Cretaceous spore-pollen complexes of the Western Siberian Lowland. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Valanginian |
|
USSR(WSL) |
Pokrovskaya,I.M. Lower Cretaceous spore-pollen complexes of the Western Siberian Lowland. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Hauterivian |
Barremian |
USSR(WSL) |
Pokrovskaya,I.M. Lower Cretaceous spore-pollen complexes of the Western Siberian Lowland. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Hauterivian |
Barremian |
USSR(WSL) |
Pokrovskaya,I.M. Lower Cretaceous spore-pollen complexes of the Western Siberian Lowland. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Late Jurassic |
Early Cretaceous |
USSR(WSL) |
Popov,P.A. et al. The history of ferns of the genus Anemia in the Enisei Part of the Western Siberian Lowland and their stratigraphic importance. |
1960 |
| details |
Hauterivian |
Barremian |
USSR(WSL) |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |
| details |
Neocomian |
Valanginian |
USSR(Yakut ASSR) |
Pokrovskaya,I.M. Lower Cretaceous spore-pollen complexes Anabar-Kha Tanga interfluv, Khatanga and Pre-Verkhoyansk Synec Lises and Vilyuy Depression. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Early Cretaceous |
|
USSR(Yakut ASSR) |
Bolkhovitina,N.A. Spore-pollen complexes from the Mesozoic deposits of the Vilyuy Basin and their importance for stratigraphy. |
1959 |