| original |
Frasnian |
Famennian |
USSR(European) |
Sergeyeva,L.A. et al. Upper Devonian microphytofossils of the Dnepr-Donets Depression |
1979 |
| details |
Vendian |
|
USSR(Ukrainian SSR) |
Velikanov,V.A. The Vendian of the Podolian Region-The Bolyn-Podolian Slope of the East-European Platform. (In: Stratigraphy of Upper Precambrian and Cambrian deposits on the western part of the East European Platform. B.M.Keller and A.Y.Rozanov, editors) |
1979 |
| details |
Nd |
|
USSR |
Yankauskas,T.V. et al. Fifth All-Union Colloquium on Precambrian microfossils of the USSR |
1987 |
| details |
Early Riphean |
|
USSR(Siberia) |
Veis,A.F. et al. Microfossil association of the Omakhtin series (Lower Riphean) eastern Siberia; composition and Formation conditions |
1989 |
| details |
Frasnian |
Famennian |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Riphean |
|
USSR(Urals) |
Veis,A.F. et al. Organic microfossils of the Riphean type section, Southern Ural |
1990 |
| details |
Late Riphean |
Vendian |
Ghana |
Veis,A.F. et al. Upper Precambrian microfossils of West Africa, Ghana |
1990 |