original |
Early Givetian |
Early Frasnian |
Canada(Arctic) |
McGregor,D.C. et al. Devonian spores and conodonts of Melville and Bathurst Island, District of Franklin. |
1972 |
original |
Emsian |
Givetian |
China(Yunnan) |
Lu,L. Devonian miospores from the Longhuashan section in Zhanyi of Yunnan and their stratigraphic significance. |
1980 |
original |
Givetian |
|
China(Yunnan) |
Lu,L.-C. Middle Devonian microflora from Haickou Formation at Shijiapo in Zhanyi of Yunnan, China |
1988 |
original |
Late Frasnian |
|
Bolivia |
Perez-Leyton,M. Middle and Upper Devonian miospores of the Mermejo -La Angostu section, southeastern Bolivia. |
1991 |
original |
Famennian |
|
England(Cornwall) |
Selwood,E.B. et al. A revision of the Upper Paleozoic stratigraphy of the Trevone Basin, North Cornwall, and its regional significance. |
1993 |