| details |
Middle Jurassic |
|
USSR(Ukrainian SSR) |
Sterlin,B.P. et al. Age of the Oldest Jurassic deposits of the Dnieper-Donets Graben. |
1957 |
| details |
Middle Jurassic |
|
USSR(Yakut ASSR) |
Bolkhovitina,N.A. Spore-pollen complexes from the Mesozoic deposits of the Vilyuy Basin and their importance for stratigraphy. |
1959 |
| details |
Aptian |
Albian |
USSR(Yakut ASSR) |
Balabanova,T.F. On the size of the Khatyryksk Suite, Central Yakut. (In: Collected geological Article #8) |
1963 |
| details |
Albian |
Cenomanian |
USSR |
Menner,V.V. The spore-pollen analysis method of direct correlation of strata of diverse facies. Chapter 2: Biostratigraphic principles of correlation of marine, lagoon and continental formations. |
1962 |