| original |
Late Volgian |
|
USSR(Amurskaya Oblast) |
Vakhrameev,V.A. et al. Upper Jurassic and Lower Cretaceous flora of Bureinskaya Basin and its significance for stratigraphy. |
1961 |
| details |
Bajocian |
|
USSR(Kazakh SSR) |
Aliev,M.M. et al. Biostratigraphic separation of Lower and Middle Jurassic deposits of the Steppe Manghyshlak. (In: Sporen and Pollen in Oils and Deposits of Oil and Gas-Bearing Regions of the USSR.) |
1971 |
| details |
Late Jurassic |
|
USSR |
Timoshina,N.A. et al. Some species of the genus Eboracia Thomas in Jurassic deposits of Mangyshlak. (In: Questions of Phytostratigraphy. S.R.Samoilovich et al, editors) |
1977 |
| details |
Jurassic |
|
Russia(European) |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |