| details |
Late Ordovician |
|
USSR(Lithuanian SSR) |
Bagdasaryan,L.L. Micropalaeo-phytological analysis of Cambrian and Ordovician Petroleums of the Baltic Region. |
1965 |
| original |
Early Cambrian |
|
Sweden |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Early Cambrian |
|
Czechoslovakia |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Early Cambrian |
|
Finland |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Early Cambrian |
|
E.Germany |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Early Cambrian |
|
USSR |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Early Cambrian |
|
USSR(Ukrainian SSR) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Early Cambrian |
|
USSR(Irkutskaya Oblast) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Early Cambrian |
|
USSR(Siberia) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Early Cambrian |
|
USSR(Siberia) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Early Cambrian |
|
China(Inner Mongolia) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Early Cambrian |
|
China(Inner Mongolia) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Early Cambrian |
|
USSR(Karelian ASSR) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Early Cambrian |
|
USSR(Chechen-Inguish) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Riphean |
|
USSR |
Timofeev,B.V. The Precambrian microplant fossils and their significance in identification and correlation. |
1968 |
| details |
Late Precambrian |
Early Cambrian |
Arizona |
Downie,C. Palynology of the Chuaria Shales of the Grand Canyon. |
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 |