| details |
Early Riphean |
|
USSR(Siberia) |
Knoll,A.H. et al. Taphonomic and evolutionary changes across the Mesoproterozoic-Neoproterozoic transition |
1995 |
| details |
Late Precambrian |
|
USSR(Urals) |
Keller,B.M. et al. Tolparovskii section of Upper Precambrian (Souther. Ural) |
1984 |
| 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 |
| details |
Middle Proterozoic |
|
China(Beijing) |
Cao,F. Algal microfossils of the Middle Proterozoic Gaoyuzhuang Format in Pinggu Country, Beijing |
1992 |