| details |
Nd |
|
Nd |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |
| original |
Late Devonian |
|
Scotland(Orkney) |
Lang,W.H. Contributions to the study of the Old Red Sand Stone flora of Scotland. 1.On plant remains from the Fish Beds of Cromarty. 2.On a Sporangium-Bearing Branch system from the Stromnss Beds |
1925 |
| original |
Early Givetian |
|
Maine |
Schopf,J.M. Report on dating of plant fossils from the Mapleton Sandstone. (In: Reconnaissance Bedrock Geology of the Presque Isle Quadrangle Maine. Boucet et al, editor) |
1964 |
| original |
Early Givetian |
|
Belgium |
Leclercq,S. Devonian sporomorphs of Belgium.Contribution 1. |
1960 |
| details |
Early Devonian |
Middle Devonian |
China(Yunnan) |
Hsм,J. Devonian spores from Yunnan, China. |
1950 |
| details |
Early Devonian |
Middle Devonian |
China(Yunnan) |
Hsм,J. Fossil plants from Central Yunnan. |
1947 |