| original |
Early Vendian |
|
USSR(Kirghiz SSR) |
Lopukhin,A.S. New microfossils from the Precambrian of Tian-Shan |
1971 |
| details |
Late 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 |
Early Vendian |
|
USSR(Kazakh SSR) |
Lopukhin,A.S. The Proterozoic and Early Cambrian phytoplankton of Tien Shan. |
1973 |
| details |
Early Vendian |
|
USSR(Kirghiz SSR) |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |