| details |
Late Precambrian |
|
China(Fukien) |
Xing,Y. et al. Micropalaeophyta. (In: Late Precambrian paleontology of China. Y.Xing et al, editors) |
1985 |
| details |
Late Riphean |
|
USSR(European) |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Late Riphean |
|
USSR(Siberia) |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Late Riphean |
|
USSR(Urals) |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Ordovician |
Early Devonian |
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 |
Early Riphean |
|
Russia(Urals) |
Mikhailova,N.S. et al. New data on the organic-walled microfossils of the Upper Precambrian of the Urals |
1992 |
| details |
Vendian |
|
India(Madhya Pradesh) |
Maithy,P.K. et al. Upper Vindhyan biota and Precambrian/Cambrian bound. |
1997 |