| details |
Late Riphean |
Vendian |
Greenland |
Vidal,G. Aspects of problematic acid-resistant, organic-walled microfossils, (acritarchs), in the Upper Proterozoic of the North Atlantic Region. |
1981 |
| details |
Late Riphean |
Vendian |
Iceland |
Vidal,G. Aspects of problematic acid-resistant, organic-walled microfossils, (acritarchs), in the Upper Proterozoic of the North Atlantic Region. |
1981 |
| details |
Late Riphean |
Vendian |
Finland |
Vidal,G. Aspects of problematic acid-resistant, organic-walled microfossils, (acritarchs), in the Upper Proterozoic of the North Atlantic Region. |
1981 |
| details |
Late Riphean |
Vendian |
Sweden |
Vidal,G. Aspects of problematic acid-resistant, organic-walled microfossils, (acritarchs), in the Upper Proterozoic of the North Atlantic Region. |
1981 |
| details |
Late Riphean |
Vendian |
Norway |
Vidal,G. Aspects of problematic acid-resistant, organic-walled microfossils, (acritarchs), in the Upper Proterozoic of the North Atlantic Region. |
1981 |
| details |
Late Riphean |
Vendian |
USSR(Russian Platform) |
Vidal,G. Aspects of problematic acid-resistant, organic-walled microfossils, (acritarchs), in the Upper Proterozoic of the North Atlantic Region. |
1981 |
| details |
Late Riphean |
Vendian |
Greenland |
Vidal,G. et al. Acritarchs from the Proterozoic Thule Group, North-West Greenland. |
1980 |
| original |
Late Riphean |
Vendian |
Norway |
Vidal,G. et al. Planktonic, acid-resistant microfossils from the Upper Proterozoic strata of the Barents Sea Region of Varanger Peninsula, East Finnmark, northern Norway |
1983 |
| details |
Late Riphean |
Vendian |
USSR(Urals) |
Mikhailova,N.S. et al. Microfitological characteristics of the Riphean to Vendian horizon of the Southern Urals |
1987 |
| details |
Late Riphean |
Vendian |
USSR(Ukrainian SSR) |
Timofeev,B.V. Pre-Cambrian microplankton from the Ukraine. |
1973 |
| details |
Late Riphean |
Vendian |
USSR(Ukrainian SSR) |
Timofeev,B.V. Pre-Cambrian microplankton from the Ukraine. |
1973 |
| details |
Late Riphean |
Vendian |
USSR(Ukrainian SSR) |
Timofeev,B.V. Pre-Cambrian microplankton from the Ukraine. |
1973 |
| details |
Late Riphean |
Vendian |
USSR(Ukrainian SSR) |
Timofeev,B.V. Pre-Cambrian microplankton from the Ukraine. |
1973 |
| details |
Late Riphean |
Vendian |
USSR(Ukrainian SSR) |
Timofeev,B.V. Pre-Cambrian microplankton from the Ukraine. |
1973 |
| details |
Late Riphean |
Vendian |
Russia(Urals) |
Mikhailova,N.S. et al. New data on the organic-walled microfossils of the Upper Precambrian of the Urals |
1992 |
| details |
Middle Cambrian |
Tremadocian |
Spain |
Fombella,M.A. Acritarchs of the Oville Formation, Middle Cambrian-Tremadocian age, Province of Leon, Spain. |
1978 |
| details |
Middle Cambrian |
Tremadocian |
Spain |
Fombella Blanco,M.A. Palynological determination of the Tremadocian in locality of Verdiago, Leon Province, the North of Spain |
1982 |