| 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 |
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 |
Riphean |
Vendian |
Russia(Taymyr) |
Veis,A.F. et al. Riphean and Vendian microfossils from the Anabarskogo Massive |
1992 |
| details |
Late Riphean |
|
USSR(Arkhangelsk Oblast) |
Sivertseva,I.A. The Upper Riphean Tuchkinskaya microbiota of the White Sea Region. |
1993 |
| details |
Nantuo |
|
China |
Yin,C. et al. The early evolution of the acanthomorphic acritarchs in China and their biostratigraphical implication |
1995 |