| details |
Aptian |
|
USSR(Taymyr Nat.Okrug) |
Chirva,S.A. et al. Structure and correlation of continental Early Cretaceous Massive of northern Siberia. (In: Stratigraphy of the Lower Cretaceous deposits in the Petroleum and Gas bearing Regions of the USSR. M.S.Mesezhnikov and A.I.Kirichkova) |
1979 |
| details |
Berriasian |
|
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 |
Early Cretaceous |
USSR(Siberia) |
Qu,L. et al. Triassic sporo-pollen assemblages. (In: Permian and Triassic Strata and Fossil Assemblages in the Dalongkou Area of Jimsar, Xinjiang. J. Yang et al, editors) |
1986 |