| details |
Early Valanginian |
Middle Valanginian |
USSR(Yakut ASSR) |
Kara-Murza,E.N. Some data on the composition of spore-pollen complexes of the marine Lower Cretaceous of the Nordvik Region. |
1958 |
| details |
Early Cretaceous |
|
USSR(Khabarovsk Kray) |
Kotova,I.Z. On the boundary between the Jurassic and Cretaceous in Coal-bearing strata of the Bureya Basin, according to data on spore and pollen analysis |
1961 |
| details |
Early Cretaceous |
|
USSR(Irkutskaya Oblast) |
Kotova,I.Z. Age of the Continental deposits of the Lake Gusinoe Basin and the Peculiarities of the composition of the Early Cetaceous floras of the Transbaikal |
1964 |
| details |
Early Cretaceous |
|
USSR(Taymyr Nat.Okrug) |
Kara-Murza,E.N. Palynological basis of stratigraphical subdivision of the Mesozoic deposits of the Khatanga Depression. |
1960 |
| details |
Barremian |
|
USSR(Chitinskaya Oblast) |
Boytsova,E.P. et al. A 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 |