| original |
Middle Proterozoic |
|
China(Hopei) |
Yan,Y. Preliminary research on microflora from Chuanlinggou Formation of changcheng system in Jixian County |
1985 |
| details |
Middle Proterozoic |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Middle Proterozoic |
|
China(Hopei) |
Yan,Y.-Z. Shale-Facies microflora from the Changzhougou Formation (Changcheng System) in Pangjiabu Region, Hebei, China. |
1991 |
| details |
Middle Proterozoic |
|
China(Kiangsi) |
Yan,Y.-Z. et al. Significance of Eucaryotic organisms in the microfossil flora of changcheng system |
1993 |