| original |
Late Proterozoic |
Cambrian |
China |
Ouyang,S. et al. Sinian and Cambrian spores. |
1974 |
| details |
Sinian |
|
China(SW.China) |
Yin,L. et al. Pre-Cambrian microfloras of Southwest China, with reference to their stratigraphical significance. |
1978 |
| original |
Sinian |
|
China |
Cao,J. et al. The Sinian System in Southwest China. (In: Paleontology and stratigraphy of Carbonate rocks in the Southwestern Region of China) |
1979 |
| details |
Early Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |