| details |
Triassic |
|
USSR(WSL) |
Bogatikova,V.K. et al. On the stratigraphic scheme of Meso-Cenozoic deposits of the western part of the West Siberian Plain. |
1957 |
| details |
Early Jurassic |
|
USSR(Kazakh SSR) |
Tarakanova,E.I. On the existence of three epochs of Lower Mesozoic coal accumulation in the northern part of the Turghay Depression |
1956 |
| details |
Miocene |
|
USSR(WSL) |
Zauer,V.V. Miocene spore-pollen complexes of Central and Southern Regions of the Western Siberian Lowlands |
1956 |
| details |
Hauterivian |
|
USSR(WSL) |
Zauer,V.V. et al. Spore-pollen complexes of Mesozoic and Cenozoic deposits of the Region of the City Tyumen. |
1954 |
| details |
Tertiary |
|
USSR(Caucasus) |
Gladkova,A.N. Flora of Maikop deposits of northern Caucasus from data of spore-pollen analysis. (In: Palaeobotanical Symposium) |
1953 |
| original |
Early Cenomanian |
|
France(Aisne) |
Firtion,F. The Lower Cenomanian of Nouvion-en-Thi©rache -a micropaleontological examination. |
1952 |
| details |
Eocene |
|
E.Germany(Halle) |
Kirchheimer,F. Outline of the botany of the German Brown Coals |
1937 |