| details |
Callovian |
Oxfordian |
USSR(Yakut ASSR) |
Dubar,G.P. et al. Stratigraphy and Macrorhythmic features of the Mesozoic rocks of the Zhigansk Region. |
1957 |
| details |
Cenomanian |
|
USSR(WSL) |
Voitsel,Z.A. et al. Cretaceous spore and pollen assemblages of Western Siberian Lowland. |
1957 |
| details |
Early Cretaceous |
|
USSR(Yakut ASSR) |
Pavlov,V.V. Age determination of the coal deposits in the area of the lower course of the Lepiske River, (Sangar area of the Lena Coal Basi), based on palynology. |
1957 |
| details |
Triassic |
|
USSR(Kazakh SSR) |
Barbashinova,V.N. Spore and pollen complexes of Mesozoic Layers of the northern part of the Turgayskaya Basin |
1956 |
| details |
Rhaetian |
|
USSR(Urals) |
Pokrovskaya,I.M. The Basic Stages in the development of the vegetation of the Urals in the Mesozoic and Cenozoic from the data of pollen analysis |
1950 |
| details |
Late Triassic |
|
USSR(Urals) |
Naumova,S.N. Spores and pollen of coals of the USSR. |
1939 |