| details |
Stephanian A |
|
France(Loire) |
Galtier,J. et al. On the presence of plants in Conservedstructures of the Visean in Conglomerates of the Stephanian in the Saint-Etienne Basin. |
1981 |
| details |
Visean |
|
France |
Phillips,T.L. Reproduction of Heterosporous Arborescent Lycopods in the Mississippian-Pennsylvanian of Euramerica. |
1979 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Late Devonian |
|
Nd |
Potonie,R. The spores of Palaeozoic plants in the natural (Morphologic) system |
1954 |