| original |
Early Cambrian |
|
USSR(Kirghiz SSR) |
Lopukhin,A.S. New finds of plant microfossils in the chert of the Vanadium-bearing Carbonaceous cherty shale association of the Tien Shn |
1969 |
| details |
Early Cambrian |
|
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 Cambrian |
|
USSR(Kirghiz SSR) |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |