| 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 |
Late Vendian |
Early Cambrian |
USSR(Taymyr Nat.Okrug) |
Ilchenko,L.N. Late Precambrian and Early Cambrian acritarchs of the Northwestern Siberian Platform |
1971 |
| details |
Cambrian |
|
USSR(Irkutskaya Oblast) |
Pykhova,N.G. Acritarchs of the Upper Emotskogo horizon of the Irkutskaya Depression |
1973 |
| details |
Precambriam |
|
Africa |
Bozhko,N.A. et al. Upper Precambrian biostratigraphy of Africa. |
1975 |
| details |
Cambrian |
Ordovician |
USSR(Taymyr Nat.Okrug) |
Sobolevskaya,R.F. et al. Transitional Cambrian-Ordovician Beds in Taimyr (Grustninsk Beds). (In: The Precambrian and Cambrian of the Taimyr Peninsula. A Collection of Six Scientific Papers. V.Y.Kabankov, editor) |
1981 |
| details |
Vendian |
Early Cambrian |
USSR(Irkutskaya Oblast) |
Akulcheva,Z.A. et al. Motsk deposits and their Analogues in the Irkutsk Amphitheatre. (In: Transitional deposits of the Pre-Cambrian and Cambrian of the Siberian Platform. (Biostratigraphy, paleontology, conditions of Formation.) |
1981 |
| 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 |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |