| original |
Sinian |
|
China(Hopei) |
Sin,Y. et al. On Sinian Micro-Flora in Yenliao Region of China and its geological signifacance. |
1973 |
| details |
|
|
China |
Wang,F. et al. Restatement of Pseudoacritarcha. |
1980 |
| details |
Cambrian |
|
China(Yunnan) |
Luo,H.-L. Division of the Cambrian system and the biotic features in Western Yunnan |
1985 |
| details |
Late Cambrian |
Ordovician |
Romania |
Dimitrescu,R. Early Caledonian event in the Pre-Alpine metamorphic sequences the Romanian Carpathians |
1985 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |