| details |
Middle Cambrian |
|
Algeria |
Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara |
1961 |
| details |
Late Ordovician |
|
USSR(Lithuanian SSR) |
Bagdasaryan,L.L. Micropalaeo-phytological analysis of Cambrian and Ordovician Petroleums of the Baltic Region. |
1965 |
| details |
Early Cambrian |
|
China(Hupei) |
Yan,F.-H. Discovery of microfossils in Sinian rocks from eastern Yunnan and Western Hupei |
1965 |
| details |
Sinian |
|
China |
Liu,H. et al. The boundary, classification, and palaeogeography of the Sinian System in South China. |
1965 |
| details |
Early Cambrian |
|
China(Yunnan) |
Yan,F.-H. Discovery of microfossils in Sinian rocks from eastern Yunnan and Western Hupei |
1965 |
| details |
Late Cambrian |
|
Poland |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Late Ordovician |
|
USSR(Estonian SSR) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Late Cambrian |
|
USSR(Siberia) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Late Cambrian |
|
USSR(Leningrad) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Late Proterozoic |
|
USSR(WSL) |
Timofeev,B.V. Spheromorphids of the Proterozoic |
1969 |
| details |
Proterozoic |
|
USSR(Irkutskaya Oblast) |
Timofeev,B.V. Spheromorphids of the Proterozoic |
1969 |
| details |
Early Riphean |
|
USSR(Siberia) |
Ivanovskaya,A.V. et al. Dependence between the salinity and phytoplankton distribution, (exemplified by the Riphean of the Turukhan Area). |
1971 |
| original |
|
|
Romania |
Visarion,A. et al. Determination of the age of a Crystalline Shales from the Apuseni Mountains, (Romania). |
1971 |
| details |
Cambrian |
|
USSR(Siberia) |
Rudavskaya,V.A. The acritarchs of the Motsk Strata of the Markovo oil field in East Siberia. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) |
1971 |
| details |
Late Precambrian |
Late Cambrian |
Romania |
Iliescu,V. et al. On the presence of the Lower Cambrian in the East Carpathians: Epimetamorphic Tulghes Series. |
1971 |
| details |
Early Ordovician |
Middle Ordovician |
Romania |
Boldor,C. et al. On the presence of the Ordovician in the Fenes Region, (South Carpathians - East Banat). |
1972 |
| details |
Cambrian |
|
Poland |
Jagielska,L. Flora of the Cambrian;Microflora |
1972 |