| details |
Middle Ordovician |
|
USSR(Russian Platform) |
Andreeva,E.M. Guide complexes of plant microfossils of the Upper Proterozoic and lower deposits of the Russian Platform. (In: Palynology, Method and Stratigraphy) |
1973 |
| details |
Early Devonian |
|
China(Szechwan) |
Xiang,L. et al. Early Devonian graptolite-bearing formation and its paleontological features at Baoxing County, Sichuan, (Szechwan). |
1975 |
| details |
Late Precambrian |
|
China |
Xing,Y. et al. Micropalaeophyta. (In: Late Precambrian paleontology of China. Y.Xing et al, editors) |
1985 |
| details |
Precambriam |
|
China |
Xing,Y. Advance on study of Precambrian micropalaeophyta in China. |
1987 |
| details |
Proterozoic |
|
China(Inner Mongolia) |
Sun,S. et al. Palaeoproterozoic eucaryotic fossils from north China. |
2000 |