| original |
Nd |
|
Nd |
Grebe,H. et al. The sporae dispersae of the Niederrhein Zechstein. |
1962 |
| original |
Ufimian |
|
W.Germany(Hesse) |
Grebe,H. et al. The spore dispersae of the Lower Rhine Zechstein. (In: Palaobotanic, coal-petrographic and geochemical contribution to stratigraphy and coal genesis.) |
1964 |
| original |
Late Permian |
Early Triassic |
Europe |
Klaus,W. Microfloristic events Towards Permo - Triassic Boundary. |
1980 |
| original |
Late Permian |
Early Triassic |
Greenland |
Klaus,W. Microfloristic events Towards Permo - Triassic Boundary. |
1980 |