details |
Nd |
|
Nd |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
details |
Devonian |
|
North America |
Wilson,L.R. Spores and pollen as microfossils. |
1944 |
details |
Devonian |
|
South America |
Wilson,L.R. Spores and pollen as microfossils. |
1944 |
details |
Devonian |
|
Europe |
Wilson,L.R. Spores and pollen as microfossils. |
1944 |
details |
Devonian |
|
Australia |
Wilson,L.R. Spores and pollen as microfossils. |
1944 |
details |
Devonian |
Carboniferous |
Nd |
Schopf,J.M. "Spores" and problematic plants Commonly regarded as Marine. |
1957 |
details |
|
|
Brazil(Amazonas) |
Sommer,F.W. et al. On some Paleozoic index fossils from the Amazon Basin. |
1967 |
details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |