| details |
Miocene |
|
Poland |
Stuchlik,L. Pollen analysis of the Miocene deposits at Rypin, (northwest of Warsaw). |
1964 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Nd |
|
Nd |
Potonie,R. Microbotany of Coal at the International botanical Congress in Stockholm, July 1950 |
1951 |
| original |
Chattian |
Late Pliocene |
Germany(Rhineland) |
Potonie,R. et al. On the nomenclature and classification of the Neogene sporomorphs (Pollen and spores). on the geology of the Rhine Valle Brown Coal. 1. |
1950 |