| original |
Frasnian |
|
Canada(NWT,Franklin) |
McGregor,D.C. Devonian spores from Melville Island, Canadian Arctic Archipelago. |
1960 |
| details |
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 |
| details |
Givetian |
|
Belgium |
Pi©rart,P. Megaspores and miospores disclosed in the Givetian of Roncquieres, (Brabant, Belgium). |
1964 |
| details |
Emsian |
Givetian |
China(Yunnan) |
Lu,L. Devonian miospores from the Longhuashan section in Zhanyi of Yunnan and their stratigraphic significance. |
1980 |