| details |
Ordovician |
|
USSR(Baltic) |
Obrhel,J. On the occurrance of spores and pollen (sporae dispersae) in Lower Paleozoic and Pre-Paleozoic formations |
1958 |
| details |
Cambrian |
|
USSR(Baltic) |
Obrhel,J. On the occurrance of spores and pollen (sporae dispersae) in Lower Paleozoic and Pre-Paleozoic formations |
1958 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Cambrian |
Silurian |
USSR |
Andreeva,E.M. Spore and pollen complexes in Upper Proterozoic and Paleozoic deposits of some Regions of the USSR |
1962 |
| details |
Late Siegenian |
Emsian |
W.Germany(N.Rhine) |
Colin,J.P. Quantitative palynological study in the Lower Devonian of Luderich, (Bensberg, Germany). |
1969 |
| details |
Proterozoic |
Middle Ordovician |
Europe |
Schopf,J.M. Early Paleozoic palynomorphs. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Proterozoic |
Middle Ordovician |
North America |
Schopf,J.M. Early Paleozoic palynomorphs. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Early Paleozoic |
|
Brazil(Rondonia) |
da Costa,N.M. Palynology of Paleozoic sediments of the Federal Territory of Rondonia. |
1980 |