| original |
Late Cambrian |
|
USSR(Pre-Baltic) |
Timofeev,B.V. Ancient flora of the Prebaltic Region and its stratigraphic significance |
1959 |
| details |
Late Cambrian |
|
USSR(Pre-Baltic) |
Deflandre,G. et al. Nomenclature and systematics of Hystrichospheres (Sens.Lat.) observations and recitifications. |
1961 |
| details |
Late Cambrian |
|
USSR(Pre-Baltic) |
Deflandre,G. et al. Nomenclature and systematics of the Hystrichospheres (Sens.Lat.), observations and rectifications. |
1962 |
| details |
Cambrian |
|
Nd |
Eisenack,A. Hystricosphaeres |
1963 |
| details |
Nd |
|
Nd |
Evitt,W.R. A discussion and proposals concerning fossil dinoflagellates, Hystrichospheres, and acritarchs. II. |
1963 |
| details |
Middle Cambrian |
|
USSR |
Timofeev,B.V. Late Proterozoic and Early Paleozoic phytoplankton. (In: Report from the 1st All-Union Palynological Conference) |
1965 |
| details |
Precambriam |
Cambrian |
USSR |
Volkova,N.A. Nature and classification of microfossils of plant origin from Precambrian and Lower Paleozoic. |
1965 |
| details |
Nd |
|
Nd |
Brito,I.M. The acritarchs |
1967 |
| details |
Nd |
|
France |
Alpern,B. et al. Palaeobotany and palynology in France: a historical review. |
1968 |
| details |
Early Cambrian |
|
USSR(Irkutskaya Oblast) |
Faizulina,Z.K. et al. Microfossils from the Lower Cambrian deposits of the Irkutsk Amphitheatre. (In: Microfossils of the Oldest Deposits) |
1973 |
| details |
Middle Cambrian |
Early Ordovician |
Nd |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Middle Cambrian |
Late Cambrian |
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 |
Nd |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Tremadocian |
Arenigian |
Wales |
Downie,C. et al. Changes in the acritarch assemblages at the Tremadoc boundaries in the United Kingdom. |
1979 |
| details |
Late Precambrian |
|
China(Shanghai) |
Yao,Z.-B. et al. Correlation of the Upper Precambrian in the Xuhuai Region |
1983 |
| details |
Late Proterozoic |
Cambrian |
Romania |
Dimitrescu,R. Early Caledonian event in the Pre-Alpine metamorphic sequences the Romanian Carpathians |
1985 |