| details |
Early Cambrian |
Middle Cambrian |
Romania |
Oniceanu,M. et al. The palynological contributions of the study of the crystallophylliens and sedimentary formation of zone between Bistricioara-Valea Seaca-Baraseu Valley (Harghita Country, East Carpathians). |
1977 |
| details |
Vendian |
|
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 |
Vendian |
|
USSR(Karelian ASSR) |
Ragozina,A.L. et al. Stratigraphy and correlation of Riphean and Vendian deposits of the Kola Peninsula. (In: Upper Proterozoic Stratigraphy of the USSR (Riphean and Vendian). (V.M.Keller and M.A.Semikhatov, editors) |
1979 |
| details |
Late Proterozoic |
Early Cambrian |
USSR(Taymyr Nat.Okrug) |
Datsenko,V.A. Transitional deposits of the Upper Proterozoic and Lower Cambrian of the Noril'sk Ore-Mining Region. The Siberian Platform. (In: Transitional deposits of the Pre-Cambrian and Cambrian of the Siberian Platform. (Biostratigraphy, paleontology, conditions of Formation.) |
1981 |
| details |
Early Cambrian |
|
Poland |
Kowalski,W.R. Stratigraphy of the Upper Precambrian and lowest Cambrian strata in Southern Poland |
1983 |
| details |
Vendian |
Early Cambrian |
Romania |
Dimitrescu,R. Early Caledonian event in the Pre-Alpine metamorphic sequences the Romanian Carpathians |
1985 |
| details |
Nd |
|
Nd |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Vendian |
|
USSR |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |