| details |
Sinian |
|
China(Tientsin) |
Chen,J. et al. Research on Sinian suberathem of Jixian, Tianjin. (In: Proceedings of the Conference:Research on Precambrian Geology;Sinian Suberathen in China.) |
1980 |
| original |
Sinian |
|
China(Tientsin) |
Juo,Q. et al. New data on the microfossils in Xiamaling Formation of Qingbaikou System of Jixian County. |
1981 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Proterozoic |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |