| original |
Early Cambrian |
Middle Cambrian |
USSR(Pre-Baltic) |
Timofeev,B.V. Ancient flora of the Prebaltic Region and its stratigraphic significance |
1959 |
| details |
Early Cambrian |
|
USSR(Irkutskaya Oblast) |
Rudavskaya,V.A. et al. On the stratigraphy of Cambrian deposits of Pre-Baikal |
1963 |
| details |
Middle Cambrian |
|
USSR(Latvian SSR) |
Bagdasaryan,L.L. Micropalaeo-phytological analysis of Cambrian and Ordovician Petroleums of the Baltic Region. |
1965 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Precambriam |
Early Cambrian |
Poland |
Jagielska,L. Microfloristic study of a Radzyh Podlaski Boring |
1965 |
| details |
Early Cambrian |
|
USSR(Siberia) |
Rudavskaya,V.A. Cambrian Hystrichospheres of the Southern Part of the Siberian Platform. |
1965 |
| details |
Vendian |
Early Cambrian |
Poland |
Jagielska,L. Microflora in the Eocambrian and Lower Cambrian deposits in the eastern area of Poland |
1966 |
| details |
Early Cambrian |
|
USSR(Irkutskaya Oblast) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Early Cambrian |
|
Poland |
Jagielska,L. Lower Cambrian microflora of the Klimontow Anticlinorium |
1967 |
| details |
Middle Cambrian |
|
USSR(Latvian SSR) |
Bagdasaryan,L.L. Phytoplankton from the lower oil bearing formations of the Baltic States. |
1969 |
| details |
Cambrian |
|
Poland |
Jagielska,L. Flora of the Cambrian;Microflora |
1972 |
| details |
Middle Cambrian |
|
USSR(Leningrad) |
Timofeev,B.V. et al. Microfossils of the Precambrian, Cambrian and Ordovician. |
1976 |
| details |
Late Emsian |
Middle Eifelian |
USSR(Altai Kray) |
Koksharov,V.A. et al. Biostratigraphy and correlation of sections of Devonian deposits from the Leninoyorsk Graben in Rudnyi Altai |
1981 |
| details |
Late Arenigian |
|
England(Cumberland) |
Arthurton,R.S. et al. Ordovician and Silurian. (In: Geology of the Country around Penrith.) |
1981 |
| details |
Early Cambrian |
Middle Cambrian |
USSR(Pre-Baltic) |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |