| original |
Early Cambrian |
|
USSR(Siberia) |
Pykhova,N.G. Microfossils in the Lower Cambrian and Pre-Cambrian of the South of eastern Siberia. (In: The Importance of Palynological Analysis for the Stratigraphic and Paleofloristic Investigations. M.I. Nejshtadt, editor. Papers for the Second International Palynology Conference., Utrecht,1966) |
1966 |
| original |
Late Cambrian |
|
USSR(Siberia) |
Pykhova,N.G. Microfossils of Lower Cambrian and Precambrian Dep Osits in eastern Siberia |
1967 |
| details |
Early Cambrian |
|
USSR(Siberia) |
Pykhova,N.G. Microfossils of Lower Cambrian and Precambrian Dep Osits in eastern Siberia |
1967 |
| original |
Late Proterozoic |
|
USSR(Yakut ASSR) |
Pykhova,N.G. Acritarchs of the southeastern Siberian Platform. (In:Tommotsk age and problems of the Lower Cambrian) |
1969 |
| details |
Precambriam |
Arenigian |
Scotland |
Downie,C. et al. A palynological investigation of the Dalradian rocks of Scotland. |
1971 |
| details |
Early Cambrian |
|
USSR(Vologda) |
Batanova,G.P. et al. Age of Pre-Middle Devonian sediments of the Volgograd District. |
1972 |
| details |
Early Cambrian |
|
Romania |
Oniceanu,M. et al. New data on the age of certain Crystaline Formations of the anticline zone of Bretila (Bistrita Mountains). |
1974 |
| details |
Vendian |
|
India(Andhra Pradesh) |
Viswanathiah,M.N. et al. Acritarchs and other associated microfossils of the Lokapur Formation, Kaladgi Group (Precambrian), South India |
1976 |
| details |
Vendian |
Early Cambrian |
India(Karnataka) |
Viswanathiah,M.N. et al. Acritarchs and other associated microfossils of the Lodapur Formation, Kaladgi Group (Precambrian-Cambrian), South India. |
1979 |
| details |
Early Cambrian |
|
Romania |
Olaru,L. et al. The age of epimetamorphic formations of the Rusai Zone, (from the Bistrite Mountains) based on spore-protistologic analysis. |
1979 |
| details |
Early Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |