| original |
Late Vendian |
Early Cambrian |
USSR(Taymyr Nat.Okrug) |
Ilchenko,L.N. Late Precambrian and Early Cambrian acritarchs of the Northwestern Siberian Platform |
1971 |
| details |
Late Vendian |
Early Cambrian |
USSR(Siberia) |
Kameneva,G.I. et al. New data on the age of the metamorphic complex of Wrangel Island |
1976 |
| details |
Late Vendian |
Early Cambrian |
USSR(Koryak Okrug) |
Ivanov,O.N. et al. Greenstone-Altered metamorphic rock of the Anadyr-Koryak Fold system |
1978 |
| 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 |
Late Vendian |
Cambrian |
USSR(Nenets Nat.Okrug) |
Smirnova,L.N. Acritarchs in Late Precambrian and Cambrian deposits of Taimyr and their significance for correlation of the enclosing strata. (In: The Precambrian and Cambrian of the Taimyr Peninsula. A Collection of Six Scientific Papers. V.Y.Kabankov, editor) |
1981 |
| details |
Early Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |