| original |
Cenomanian |
Turonian |
USSR(Urals) |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| details |
Neocomian |
|
USSR(Kazakh SSR) |
Garetsky,R.G. The Depth-Geology of the Kokpectinskaya Anticline near Mugodzar Region. |
1957 |
| details |
Late Jurassic |
Early Cretaceous |
USSR(Ukrainian SSR) |
Lomayeva,E.T. Spores and pollen of Pre Upper Cretaceous sediments occurring in the Zhitomir area |
1961 |
| details |
Barremian |
|
USSR(Dagestan ASSR) |
Grossgeim,D.A. et al. List of plant, spore and pollen of the Barremian deposits of some districts of the USSR. (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 Barremian |
|
USSR(Dagestan ASSR) |
Pokrovskaya,I.M. Lower Cretaceous spore-pollen complexes of the Pre-Caucasus, northern Caucasus and Trans-Caucasia. (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(Ukrainian SSR) |
Lapteva,A.M. Palynologic characteristic of the Lower Cretaceous deposits of the northern edge of the Donetsk Basin |
1964 |
| details |
Aptian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. |
1971 |