| details |
Late Precambrian |
|
USSR(Urals) |
Keller,B.M. et al. Tolparovskii section of Upper Precambrian (Souther. Ural) |
1984 |
| 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 |
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 |
Proterozoic |
|
India(Himachal Pradesh) |
Srivastava,P. et al. Significance of the Meso-Neoproterozoic microfossil assemblage from the Deoban Limestone, Garhwai Lesser Himalaya. |
1997 |