| details |
Carboniferous |
|
Czechoslovakia |
Dijkstra,S.J. The stratigraphic significance of spores |
1949 |
| details |
Carboniferous |
|
France |
Dijkstra,S.J. The stratigraphic significance of spores |
1949 |
| details |
Late Coniacian |
|
France |
Dijkstra,S.J. The stratigraphic significance of spores |
1949 |
| details |
Carboniferous |
|
Turkey |
Dijkstra,S.J. The stratigraphic significance of spores |
1949 |
| details |
Wealden |
|
Netherlands |
Dijkstra,S.J. The stratigraphic significance of spores |
1949 |
| details |
Rhaetian |
Liassic |
Greenland |
Dijkstra,S.J. The stratigraphic significance of spores |
1949 |
| details |
Jurassic |
|
England |
Dijkstra,S.J. The stratigraphic significance of spores |
1949 |
| details |
Carboniferous |
|
Netherlands |
Dijkstra,S.J. The stratigraphic significance of spores |
1949 |
| details |
Carboniferous |
|
Germany |
Dijkstra,S.J. The stratigraphic significance of spores |
1949 |
| details |
Nd |
|
Egypt |
Dijkstra,S.J. Megaspores of the Lower Carboniferous. |
1957 |
| details |
Late Pennsylvanian |
|
West Virginia |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
| details |
Pennsylvanian |
|
Pennsylvania |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
| details |
Late Devonian |
|
Pennsylvania |
Cichan,M.A. et al. Ultrastructural studies of in situ, Devonian spores - Protobarinophyton pennsylvanicaum Brauer. |
1984 |
| details |
Middle Pennsylvanian |
|
Kansas |
Baxter,R.W. A Heterosporous fern from the Middle Pennsylvanian of Kansas |
1972 |