| details |
Jixian |
|
China(Peking) |
Zhou,X.-P. et al. Microflora and sedimentary environment of the Wumishan Formation (Jixian system) Ming Tombs Region, Beijing. |
1991 |
| details |
Middle Proterozoic |
|
China(Hupei) |
Zhang,P. Microfossils from the Middle Proterozoic in Kuancheng County, eastern Hebei, China |
1987 |
| details |
Middle Proterozoic |
|
China(Beijing) |
Cao,F. Algal microfossils of the Middle Proterozoic Gaoyuzhuang Format in Pinggu Country, Beijing |
1992 |
| details |
Early Riphean |
|
Canada(NWT,Franklin) |
Hofmann,H.J. et al. Shelf-facies microfossils from the Uluksan Group (Proterozoic Bylot Supergroup), Baffin Island, Canada. |
1991 |