| original |
Early Albian |
Middle Albian |
USSR |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| details |
Early Cretaceous |
|
USSR(Kazakh SSR) |
Barbashinova,V.N. Spore and pollen complexes of Mesozoic Layers of the northern part of the Turgayskaya Basin |
1956 |
| details |
Late Cretaceous |
|
USSR(Kazakh SSR) |
Barbashinova,V.N. Spore and pollen complexes of Mesozoic Layers of the northern part of the Turgayskaya Basin |
1956 |
| details |
Albian |
Paleocene |
USSR(WSL) |
Chlonova,A.F. The composition in species of spores and pollen in the deposits of the Upper Cretaceous of the Chulym-Yenisyei Lowlands. |
1960 |
| details |
Aptian |
Middle Albian |
USSR(Kazakh SSR) |
Boytsova,E.P. Lower Cretaceous spore-pollen complexes of Western Kazakhstan. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Cenomanian |
Turonian |
USSR(WSL) |
Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. |
1971 |