| details |
Late Riphean |
|
USSR(Urals) |
Yankauskas,T.V. Riphean microfossils of the Southern Urals. (In: Stratotype of Riphean Paleontology Paleomagnetism. B.M.Keller, editor) |
1982 |
| details |
Middle Riphean |
Late Riphean |
USSR(Urals) |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Late Riphean |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Riphean |
|
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 |
Late Riphean |
|
USSR(Arkhangelsk Oblast) |
Sivertseva,I.A. The Upper Riphean Tuchkinskaya microbiota of the White Sea Region. |
1993 |