| details |
Middle Riphean |
Late Riphean |
USSR(Urals) |
Yankauskas,T.V. et al. The Tyulmen microbiota of the Middle Riphean of the Southern Urals |
1989 |
| details |
Late Riphean |
|
USSR(Urals) |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| original |
Middle Riphean |
|
USSR(Chelyabinskaya) |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Riphean |
|
Russia(Siberia) |
Veis,A.F. et al. Age transformation in the facies-ecological structure of Precambrian biotas and stratigraphy of the Riphean. |
1998 |
| details |
Riphean |
|
Russia(Urals) |
Veis,A.F. et al. Age transformation in the facies-ecological structure of Precambrian biotas and stratigraphy of the Riphean. |
1998 |
| details |
Cryogenian |
Vendian |
Romania |
Olaru,L. Using acritarch assemblages to correlate Upper Proterozoic and Lower Paleozoic metamorphic sequences in Romania |
2001 |