| original |
Vendian |
|
USSR |
Naumova,S.N. Zonal assemblages of Precambrian and Lower Cambrian plant microfossils of Eurasia and their stratigraphic importance. |
1968 |
| details |
Late Proterozoic |
|
USSR(Murmansk) |
Ragozina,A.L. Stratigraphy and microfossils of the Terskaya Suite and Hiperboreysk Formations of the Kolskiy Peninsula. |
1971 |
| details |
Precambriam |
Arenigian |
Scotland |
Downie,C. et al. A palynological investigation of the Dalradian rocks of Scotland. |
1971 |
| 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 |
Llanvirnian |
|
USSR(Russian Platform) |
Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic |
1975 |
| details |
Late Precambrian |
|
Canada(Newfoundland) |
Hofmann,H.J. et al. Late Precambrian microfossils, southeastern Newfoundland. |
1979 |
| details |
Nd |
|
Nd |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Early Cambrian |
|
USSR |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |