| details |
Santonian |
|
USSR(Urals) |
Agranovskaya,I.A. et al. Upper Cretaceous spore-pollen complexes of the eastern Slopes of the northern and Central Urals and the Trans Urals. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complexes of various Regions of the USSR). |
1960 |
| details |
Santonian |
|
USSR(Urals) |
Agranovskaya,I.A. et al. Upper Cretaceous spore-pollen complexes of the eastern Slopes of the northern and Central Urals and the Trans Urals. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complexes of various Regions of the USSR). |
1960 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| original |
Early Oligocene |
|
USSR(Kazakh SSR) |
Abuzyarova,R.Y. Results of spore-pollen investigations of Oligocene deposits of Shintuzsaya (Turgay) |
1955 |
| original |
Cenomanian |
|
USSR(Urals) |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |