| 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 |
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 |
Late Proterozoic |
Early Cambrian |
Czech Republic |
KonzalovЎ,M. Turnover in the Precambrian and Early Palaeozoic (mainly Cambrian microbiotas: An example of the Bohemian Massif. (In: Commision Internationale de microflore du Paleozoique (CIMP) Acritarch Subcommision: O.Fatka and T.Servais, editors) |
1996 |