original |
Sinian |
|
China(Kweichow) |
Wang,F. et al. New material of microbial fossils from Sinian-Cambrian age sediments in Abazhai-Qingzhen and Wuhe-Taijiang, Guizhou Province. (In: The Upper Precambrian and Sinian-Cambrian boundary in Guizhou) |
1984 |
details |
Late Riphean |
|
USSR(Urals) |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
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 |
Late Riphean |
|
Spitsbergen |
Knoll,A.H. et al. Paleobiology of a Neoproterozoic Tidal Flat/Lagoonal complex; The Draken Conglomerate Formation, Spitsbergen. |
1991 |
details |
Nd |
|
Nd |
Sergeev,V.N. et al. Paleobiology of the Mesoproterozoic-Neoproterozoic transition: Sukhaya Tunguska Formation, Turukhansk Uplift, Siberia |
1997 |