| details |
Cambrian |
|
USSR(Yakut ASSR) |
Popova,Z.P. et al. Organic remains in Petroleum of the Markovo Field |
1965 |
| details |
Late Precambrian |
Early Cambrian |
Poland |
Jagielska,L. New data on the Eocambrian and Lowermost Cambrian microflora from the Klimontow Anticlinorium. |
1965 |
| details |
Vendian |
|
Poland |
Jagielska,L. Flora of the Vendian; Microflora |
1972 |
| details |
Early Cambrian |
|
USSR(Siberia) |
Meyerhoff,A.A. Geology and petroleum fields in Proterozoic and Lower Cambrian Strata, Lena-Tunguska Petroleum Province, Eastern Siberia, USSR. (In: Giant Oil and Gas Fields of the Decade 1968-1978. M.T. Halbouty, editor) |
1980 |