| details |
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 |
Vendian |
|
Kazakstan |
Sergeeva,V.N. Silicified microfossils in the Precambrian of the Urals and Kazakhstan and their biostratigraphy potential |
1991 |
| details |
Vendian |
|
Russia(Urals) |
Sergeeva,V.N. Silicified microfossils in the Precambrian of the Urals and Kazakhstan and their biostratigraphy potential |
1991 |
| details |
Middle Proterozoic |
Late Proterozoic |
India(Uttar Pradesh) |
Kumar,S. et al. Middle to Late Proterozoic microbiota from the Deoban Limestone, Garhwal Himalaya, India |
1992 |
| details |
Nd |
|
Nd |
Butterfield,N.J. et al. Paleobiology of the Neoproterozoic Svabergfjellet Formation, Spitsbergen |
1994 |
| details |
Proterozoic |
|
India(Himachal Pradesh) |
Srivastava,P. et al. Significance of the Meso-Neoproterozoic microfossil assemblage from the Deoban Limestone, Garhwai Lesser Himalaya. |
1997 |