| original |
Proterozoic |
|
USSR |
Timofeev,B.V. Spheromorphids of the Proterozoic |
1969 |
| details |
Riphean |
|
USSR(Siberia) |
Timofeev,B.V. et al. Microfossils of the Precambrian, Cambrian and Ordovician. |
1976 |
| details |
Vendian |
|
Sweden |
Hofmann,H.J. The problematic fossil Chuaria from the Late Precambrian Uinta Mountain Group, Utah. |
1977 |
| details |
Late Proterozoic |
|
USSR(Krasnoyarsk Kray) |
Hofmann,H.J. The problematic fossil Chuaria from the Late Precambrian Uinta Mountain Group, Utah. |
1977 |
| details |
Late Precambrian |
|
Nd |
Ford,T.D. et al. The nature and distribution of the Late Precambrian fossil Chuaria. (In: Correlation of the Precambrian. Rock-forming Sedimentation Precambrian. Organic matter and life in Precambrian. Precambrian of mobile zones, volcanism and volcanogenic formations of the Precambrian. A.Sidorenko, editor) |
1977 |
| details |
Late Riphean |
|
USSR(Altai Kray) |
Pjatiletov,V.G. Microfossils of the Mansk Trough. (In: Geological constitution of the Mansk Trough and its position in the Sayan-Altai "Baikalides") |
1978 |
| details |
Riphean |
|
USSR(Siberia) |
Ivanovskaya,A.V. et al. Distributions of phytoplankton of the Middle Riphean sediments formation. (In: Paleontology of the Precambrian and Early Cambrian.) |
1979 |
| details |
Riphean |
|
USSR(Urals) |
Yankauskas,T.V. Riphean microfossils of the Southern Urals. (In: Stratotype of Riphean Paleontology Paleomagnetism. B.M.Keller, editor) |
1982 |
| details |
Riphean |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Middle Proterozoic |
|
China(Hopei) |
Yan,Y.-Z. Shale-Facies microflora from the Changzhougou Formation (Changcheng System) in Pangjiabu Region, Hebei, China. |
1991 |
| details |
Nd |
|
Nd |
Pospelov,A.G. et al. Biostratigraphy of the Kiya River section |
1995 |