| original |
Vendian |
Early Cambrian |
USSR(Siberia) |
Rudavskaya,V.A. Acritarchs from the Riphaen-Cambrian boundary deposits in the South of East Siberia. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Precambriam |
Cambrian |
India(Uttar Pradesh) |
Venkatachala,B.S. A decade of stratigraphic palynology in India. |
1976 |
| details |
Late Proterozoic |
|
USSR(Siberia) |
Polyakova,G.A. et al. Precambrian oil and Coalbearing deposits in eastern Siberia. |
1978 |
| details |
Vendian |
|
India(Himachal Pradesh) |
Kumar,G. et al. The Precambrian-Cambrian boundary problem and its prospects, northwest Himalaya, India. |
1984 |
| details |
Precambriam |
|
India |
Maithy,P.K. Indian Precambrian biota. (In: Proceedings, Symposium and Technical Sessions. R.S. Tiwari, editors) |
1984 |
| details |
Vendian |
|
India(Jammu & Kashmir) |
Kumar,G. The Precambrian-Cambrian boundary Beds, northwest Himalaya, India, and boundary problem. (In: Proceedings, Symposium and Technical Sessions. R.S. Tiwari, editors) |
1984 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |