original |
Late Precambrian |
|
Australia(N.Territory) |
Schopf,J.W. et al. New microorganisms from the Bitter Springs Formation (Late Pre-Cambrian) of the north-central Amadeus Basin, Australia. |
1971 |
details |
Riphean |
|
USSR(Siberia) |
Veis,A.F. Riphean and Vendian microfossils of the Ushur-Maya and Turukhan Regions of Siberia |
1988 |
details |
Early Riphean |
|
USSR(Yakut ASSR) |
Yakshin,M.S. Lower Riphean algal microbiota of the Kotuykan Formation in the Anabar Uplift |
1991 |
details |
Nd |
|
Nd |
Kumar,S. et al. Microfossils from the Kheinjua Formation, Mesoproterozoic Semri Group, Newari area, Central India. |
1995 |