| details |
Early Cambrian |
Middle Cambrian |
USSR(Yablonov Khrebet) |
Kozerenko,V.N. et al. New data on the Lower Paleozoic deposits of East Transbaikal |
1960 |
| original |
Early Cambrian |
|
USSR |
Naumova,S.N. Zonal assemblages of Precambrian and Lower Cambrian plant microfossils of Eurasia and their stratigraphic importance. |
1968 |
| details |
Early Cambrian |
|
USSR |
Naumova,S.N. Zonal assemblages of Precambrian and Lower Cambrian plant microfossils of Eurasia and their stratigraphic importance. |
1968 |
| details |
Late Precambrian |
Early Cambrian |
USSR |
Naumova,S.N. Plant microfossils of Precambrian and Lower Cambrian of Eurasia and their significance for stratigraphy. |
1974 |
| details |
Cambrian |
|
USSR |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |