| details |
Early Riphean |
|
USSR(Murmansk) |
Konopleva,N.G. et al. Microphytofossil complexes from the Late Precambrian deposits of the North Regions of the eastern European Platform. (In: Paleontology of the Precambrian and Early Cambrian.) |
1979 |
| details |
Vendian |
|
Romania |
Dimitrescu,R. Early Caledonian event in the Pre-Alpine metamorphic sequences the Romanian Carpathians |
1985 |
| details |
Ordovician |
|
China(Anhwei) |
Chen,G. et al. Discovery and research of palaeontological fossils from the metamorphic rock area in South Anhui. |
1998 |