| details |
Middle Precambrian |
|
Canada(Ontario) |
Schopf,J.W. Precambrian micro-organisms and evolutionary events, prior to the origin of vascular plants. |
1970 |
| details |
Algonkian |
|
Czechoslovakia |
KonzalovЎ,M. Some new results of the Precambrian research in Czechoslovakia. |
1974 |
| details |
Nd |
|
Canada(NWT,Mackenzie) |
Donaldson,J.A. et al. Microfossils from the Dismal Lakes Group (Neohelikian), District of MacKenzie. |
1975 |
| details |
Late Precambrian |
|
India(Uttar Pradesh) |
Nautiyal,A.C. First record of algal remains, (Filamentous, Spheroidal), and acritarchs from the Precambrian Gangolihat Dolomites Formaion of Pithoragarh, Kumaun Himalaya, India. |
1978 |
| details |
Late Precambrian |
|
India(Madhya Pradesh) |
Maithy,P.K. et al. Microbiota and organosedimentary structures from Vinkhyan Supergroup around Chandrehi, Madhya Pradesh. |
1983 |