| original |
Middle Riphean |
Vendian |
USSR(Kirghiz SSR) |
Lopukhin,A.S. Phytoplankton of the Proterozoic and Paleozoic of Eurasia. (In: Dispersed Remains of Plant Fossils of Kirghizia.V.G.Korolev, editor) |
1971 |
| details |
|
|
USSR(Kazakh SSR) |
Lopukhin,A.S. The Proterozoic and Early Cambrian phytoplankton of Tien Shan. |
1973 |
| details |
|
|
Africa |
Lopukhin,A.S. The Proterozoic and Early Cambrian phytoplankton of Tien Shan. |
1973 |
| details |
Late Riphean |
|
USSR(Yakut ASSR) |
Lopukhin,A.S. Riphean microfossils of north-eastern Pri-Anabar (Lower Lena River, Chekurovka Village). |
1974 |
| details |
Late Precambrian |
Cambrian |
India(Mysore) |
Viswanathiah,M.N. et al. Microorganisms from the Kaladgi Basin, South India and their stratigraphic significance. |
1975 |
| details |
Middle Riphean |
|
India(Karnataka) |
Viswanathiah,M.N. et al. Acritarchs and other associated microfossils of the Lodapur Formation, Kaladgi Group (Precambrian-Cambrian), South India. |
1979 |
| details |
Late Precambrian |
|
Canada(Newfoundland) |
Hofmann,H.J. et al. Late Precambrian microfossils, southeastern Newfoundland. |
1979 |
| details |
Middle Cambrian |
Late Cambrian |
India(Karnataka) |
Viswanathiah,M.N. et al. Acritarchs and other microfossils from the cherts of Mudhol Formation, Kaladgi, South India. |
1984 |
| details |
Middle Riphean |
Vendian |
USSR(Kirghiz SSR) |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |