| details |
Late Valanginian |
Hauterivian |
USSR(Taymyr Nat.Okrug) |
Kara-Murza,E.N. Some data on the composition of spore-pollen complexes of the marine Lower Cretaceous of the Nordvik Region. |
1958 |
| details |
Hauterivian |
Barremian |
USSR(WSL) |
Ivanova,E.A. et al. Hauterivian-Barremian spore-pollen complexes. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| details |
Cenomanian |
|
USSR(WSL) |
Ivanova,E.A. et al. Cenomanian. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| details |
Hauterivian |
Barremian |
USSR(WSL) |
Filippova,E.A. Hauterivian - Barremian. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) |
1957 |
| details |
Cenomanian |
|
USSR(WSL) |
Filippova,E.A. Cenomanian. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) |
1957 |
| details |
Aptian |
Early Albian |
USSR(Kazakh SSR) |
Garetsky,R.G. The Depth-Geology of the Kokpectinskaya Anticline near Mugodzar Region. |
1957 |
| details |
Early Cretaceous |
|
USSR(Yakut ASSR) |
Pavlov,V.V. Age determination of the coal deposits in the area of the lower course of the Lepiske River, (Sangar area of the Lena Coal Basi), based on palynology. |
1957 |
| original |
Early Albian |
Middle Albian |
USSR |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| original |
Aptian |
|
USSR(Moscow) |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |