| details |
Late Riphean |
|
USSR(Buryat ASSR) |
Faizulina,Z.K. et al. Organic microfossils in the Kholodninsk, Oldakitsk and Tukalomiisk Suites of northern Prebaikal. (In: Late Precambrian and Early Paleozoic stratigraphy of Central Siberia) |
1984 |
| details |
Late Riphean |
|
USSR(Buryat ASSR) |
Dolnik,T.A. et al. Key sections of the Kholodninsk, Oldakitsk and Tukalomiinsk Suites and their stratigraphic analogs in northern Pri-Baikal. (In: Late Precambrian and Early Paleozoic stratigraphy of Central Siberia) |
1984 |
| details |
Late Vendian |
|
USSR(Taymyr Nat.Okrug) |
Ilchenko,L.N. Late Precambrian and Early Cambrian acritarchs of the Northwestern Siberian Platform |
1971 |
| details |
Silurian |
|
USSR(Baltic) |
Bagdasaryan,L.L. The significance of microphytofossils in the solving of some problems in petroleum geology. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Ashgillian |
|
Bulgaria |
Kalvacheva,R.K. Acritarch stratigraphy of Lower Paleozoic formations in the West Balkan Mountains, Bulgaria. |
1978 |