| details |
Pliensbachian |
Bathonian |
USSR(WSL) |
Medvedeva,A.M. et al. Microfossils in oils and condensates of the Jurassic deposits of West Siberia. (In: Problems of Modern Palynology. A.F.Chlonova, editor) |
1984 |
| details |
Late Riphean |
|
USSR(Krasnodar Kray) |
Mikhailova,N.S. Microphytofossils of the Chernorechenskoi Suite (Igarka District) |
1985 |
| details |
Late Precambrian |
|
China |
Xing,Y. et al. Micropalaeophyta. (In: Late Precambrian paleontology of China. Y.Xing et al, editors) |
1985 |
| details |
Cambrian |
Ordovician |
USSR(Buryat ASSR) |
Butov,Y.P. Some problems of Pre-Mesozoic stratigraphy of Savan-Baikal Mountain Region. 2. New data on the age of Pre-Mesozoic deposits. |
1986 |
| details |
Precambriam |
|
China |
Xing,Y. Advance on study of Precambrian micropalaeophyta in China. |
1987 |
| details |
Nd |
|
Nd |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Early Riphean |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Middle Paleozoic |
|
USSR(Kazakh SSR) |
Medvedeva,A.M. et al. Direct evidence for vertical oil migration in the eastern Precaspian. |
1993 |