| details |
Toarcian |
|
USSR(Kazakh SSR) |
Timoshina,N.A. et al. Contemporary significance of palynology in stratigraphy, correlating facialy diverse deposits paleogeograph. Reconstruction. (From results microfossil studies Jurassic study of the east Precaspian). (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Early Valanginian |
|
USSR(Yakut ASSR) |
Lyubomirova,K.A. et al. Results of palynological studies of Lower Cretaceous deposits in the northern part of the Leno-Anabar Trough. (In: Palynological Investigations of Paleozoic and Mesozoic deposits of Northern USSR and Caspian Sea Region. N.A. Timoshina, editor) |
1985 |
| details |
Middle Jurassic |
|
USSR(European) |
Chirva,S.A. et al. Correlation of Middle Jurassic - Callovian Sandy Deposits of the Sysola, Yarenga and Pechora River Basins. (In: Jurassic Deposits of the Russian Platform: Collection of Scientific Papers) |
1986 |