details |
|
|
USSR(Urals) |
Keller,B.M. Riddles of the Precambrian |
1979 |
details |
Middle Riphean |
|
USSR(Urals) |
Yankauskas,T.V. et al. The Tyulmen microbiota of the Middle Riphean of the Southern Urals |
1989 |
details |
Late Riphean |
|
USSR(Bashkir ASSR) |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
details |
Middle Riphean |
|
USSR(Urals) |
Veis,A.F. et al. Organic microfossils of the Riphean type section, Southern Ural |
1990 |
details |
Late Proterozoic |
|
USSR(Murmansk) |
Mikhailova,N.S. et al. The first finds of microfossils in Thin sections of Upper Proterozoic rocks of the Kola Peninsula |
1992 |