| details |
Early Cambrian |
|
USSR(Tomskaya Oblast) |
Bogomyagkova,V.B. et al. Stratigraphy of Cambrian deposits of the l'Vov Paeleozoic Trough. (In: Geology and Geochemistry of Fossil Fuels) |
1974 |
| details |
Late Vendian |
Early Cambrian |
USSR(Siberia) |
Akulcheva,Z.A. et al. The Vendian-Cambrian deposits of the Nokhtuiskii section (the Patomskoe Upland). |
1982 |
| 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 |