| details |
Early Cambrian |
Middle Cambrian |
Nd |
Downie,C. The geological history of the microplankton. |
1967 |
| original |
Early Cambrian |
|
USSR(Pre-Baltic) |
Timofeev,B.V. Ancient flora of the Prebaltic Region and its stratigraphic significance |
1959 |
| details |
Early Cambrian |
|
USSR(Pre-Baltic) |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Cambrian |
Late Gothlandian |
Eurasia |
Timofeev,B.V. Proterozoic and early microfossils. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Early Cambrian |
|
USSR(Irkutskaya Oblast) |
Fayzulina,Z.Kh. et al. Microfossils from the Lower Cambrian deposits of the Irkutsk Amphitheatre. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Charnian |
|
England |
Peat,C.J. Comments on some of Britian's oldest microfossils |
1984 |
| details |
Carboniferous |
|
USSR(Ukrainian SSR) |
Shkrebta,G.P. et al. New data on the age of ancient deposits in the Dnieper Donetzs Basin |
1973 |
| details |
Cambrian |
|
USSR(Baltic) |
Obrhel,J. On the occurrance of spores and pollen (sporae dispersae) in Lower Paleozoic and Pre-Paleozoic formations |
1958 |
| details |
Cambrian |
|
USSR(Siberia) |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Cambrian |
|
USSR(Baltic) |
Rudavskaya,V.A. Hystrichosphaerida of the Paleozoic Era |
1965 |
| details |
Cambrian |
|
USSR(Siberia) |
Rudavskaya,V.A. Phytoplankton of the Late Precambrian and Cambrian in the southern part of the Siberian Platform. (Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |
| details |
Cambrian |
|
USSR |
Timofeev,B.V. Hystrichosphaeridae of the Cambrian |
1956 |