| original |
Late Precambrian |
|
Australia(N.Territory) |
Schopf,J.W. Microflora of the Bitter Springs Formation, Late Precambrian, Central Australia. |
1968 |
| details |
Riphean |
|
USSR(Siberia) |
Sokolov,B.S. On the significance of microfossils of vegetation nature. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Late Proterozoic |
|
Australia |
Vidal,G. et al. Proterozoic plankton. |
1983 |
| details |
Precambriam |
|
USSR |
Yankauskas,T.V. et al. Fifth All-Union Colloquium on Precambrian microfossils of the USSR |
1987 |
| details |
Riphean |
|
India(Uttar Pradesh) |
Tewari,V.C. Discovery of Pre-Edicaran acritarch Chuaria Circularis (Walcott 1899; Vidal and Ford,1985) from the Deoban Mountains, Lesser Himalaya, India |
1996 |