| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Nd |
|
Nd |
Zauer,V.V. et al. Taxonomy, nomenclature and description order of fossil spores and pollen. (In: Pre-Quaternary Micropaleontology) |
1960 |
| original |
Eocene |
Late Neogene |
Germany |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Late Pliocene |
|
W.Germany(Schleswig) |
Weyl,R. et al. The age of the Kaolin Sands from Sylt |
1955 |
| details |
Nd |
|
Nd |
Potonie,R. Microbotany of Coal at the International botanical Congress in Stockholm, July 1950 |
1951 |