| details |
Late Riphean |
|
USSR(Bashkir ASSR) |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| original |
Late Riphean |
|
USSR(Krasnoyarsk Kray) |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Middle Riphean |
Vendian |
USSR(Uzbek SSR) |
Abduazimova,Z.M. et al. Problems of the Precambrian biostratigraphy of the West Uzbekistan |
1992 |
| details |
Late Riphean |
|
Russia(Urals) |
Mikhailova,N.S. et al. New data on the organic-walled microfossils of the Upper Precambrian of the Urals |
1992 |
| details |
Middle Proterozoic |
Late Proterozoic |
Greenland |
Samuelsson,J. et al. Organic-walled microfossils from the Proterozoic Thule Supergroup, northwest Greenland. |
1999 |