| details |
Vendian |
|
USSR |
Timofeev,B.V. Late Proterozoic and Early Paleozoic phytoplankton. (In: Report from the 1st All-Union Palynological Conference) |
1965 |
| original |
Late Riphean |
|
USSR(Khabarovsk Kray) |
Timofeev,B.V. et al. Microfossils of the Precambrian, Cambrian and Ordovician. |
1976 |
| details |
Riphean |
|
USSR(Urals) |
Yankauskas,T.V. Vegetative microfossils of Tiphean deposits from Southern Urals. |
1978 |
| details |
Precambriam |
|
USSR |
Yankauskas,T.V. et al. Fifth All-Union Colloquium on Precambrian microfossils of the USSR |
1987 |