| original |
Coblenzian |
|
W.Germany(Rhineland) |
Thomson,P.W. Contribution to the knowledge of the sporomorpha flora in the Lower and Middle Devonian |
1951 |
| details |
Early Devonian |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Coblenzian |
|
W.Germany(Rhineland) |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Devonian |
|
USSR(Belorussian SSR) |
Obrhel,J. On the occurrance of spores and pollen (sporae dispersae) in Lower Paleozoic and Pre-Paleozoic formations |
1958 |
| details |
Early Givetian |
|
Belgium |
Leclercq,S. Devonian sporomorphs of Belgium.Contribution 1. |
1960 |
| details |
Early Devonian |
|
Poland |
Jakubowska,L. Palaeobotanic-stratigraphical studies on Devonian deposits pierced by Bore Holes Ciepielow and Dorohucza. |
1968 |
| details |
Devonian |
|
Poland |
Jakubowska,L. Flora of the Devonian;Microflora |
1972 |