| details |
Early Pliensbachian |
|
USSR(Siberia) |
Ilyina,V.I. Jurassic marine and nonmarine palynostratigraphy of Siberia. |
1985 |
| details |
Hettangian |
Sinemurian |
USSR(Siberia) |
Ilyina,V.I. Jurassic palynology of Siberia |
1985 |
| details |
Early Pliensbachian |
|
USSR(Siberia) |
Ilyina,V.I. Subdivision and correlation of the marine and Non-Marine Jurassic sediments in Siberia based on palynological evidence |
1986 |
| details |
Early Jurassic |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Hettangian |
Bajocian |
USSR(Siberia) |
Sarjeant,W.A.S. et al. Jurassic palynomorphs of the Circum-Pacific Region. (In: The Jurassic of the Circum-Pacific. G.E.G Westermann, editor) |
1992 |
| details |
Jurassic |
|
USSR(Kazakh SSR) |
Medvedeva,A.M. et al. Direct evidence for vertical oil migration in the eastern Precaspian. |
1993 |