details |
Late Riphean |
|
USSR(Chelyabinskaya) |
Keller,B.M. et al. Microfossils in the Riphean stratotype section in the Southern Urals |
1980 |
details |
Late Riphean |
|
USSR(Urals) |
Yankauskas,T.V. Shisheniak microbiota of the Upper Riphean of the South Urals |
1980 |
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 |
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 |
Late Riphean |
|
Mauritania |
Amard,B. Late Proterozoic microfossils (Acritarchs) from the Shales of the Atar Formation (Mauritania) |
1986 |
details |
Late Riphean |
|
USSR(Urals) |
Hofmann,H.J. Paleoscene #7 -Precambrian biostratigraphy |
1987 |
details |
Vendian |
|
USSR(Siberia) |
Veis,A.F. Riphean and Vendian microfossils of the Ushur-Maya and Turukhan Regions of Siberia |
1988 |
details |
Nd |
|
Nd |
Butterfield,N.J. et al. Paleobiology of the Neoproterozoic Svabergfjellet Formation, Spitsbergen |
1994 |