| original |
Cenomanian |
Senonian |
USSR(WSL) |
Krasnova,L.M. et al. Selaginellaceae. (In: Pyltsa i spory zapadnoi Sibiri, yura-paleotsen. S.R.Samoilovich and N.D.Mtchedlishvili, editors) |
1961 |
| original |
Jurassic |
Cenomanian |
USSR(WSL) |
Krasnova,L.M. et al. Selaginellaceae. (In: Pyltsa i spory zapadnoi Sibiri, yura-paleotsen. S.R.Samoilovich and N.D.Mtchedlishvili, editors) |
1961 |
| details |
Toarcian |
|
USSR(Ukrainian SSR) |
Semenova,E.V. Spore and pollen assemblages of deposits of the Jurassic and Triassic Boundary of the Don Basin. |
1970 |
| details |
Jurassic |
Cenomanian |
USSR(WSL) |
Semenova,E.V. Spore and pollen assemblages of deposits of the Jurassic and Triassic Boundary of the Don Basin. |
1970 |
| details |
Valanginian |
Hauterivian |
USSR(Turkmen SSR) |
Fokina,N.I. Cretaceous spore and pollen assemblages;Eastern Turkmenskaya, Bayram-Ali and Gaurdak Regions. (In: Spore and Pollen of the Jurassic and Lower Cretaceous from Central Asia. N.A. Bolkhovitina and N.I. Fokina, editors) |
1971 |
| details |
Early Hauterivian |
Late Hauterivian |
USSR(Kazakh SSR) |
Shakhmundes,V.A. Stratigraphy of Hauterivian deposits in northern Pre-Caspian based on palynology. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) |
1971 |
| 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 |