original |
Tournaisian |
Namurian |
Spitsbergen |
Bharadwaj,D.C. et al. Spore assemblage out of a Lower Carboniferous shale from Spitzbergen. |
1961 |
original |
Late Visean |
Early Namurian A |
Nd |
Neves,R. et al. Some observations on Namurian and Visean spores from Nova Scotia, Britain and northern Spain. |
1970 |
original |
Middle Namurian |
|
England(Northumberland) |
Butterworth,M.A. et al. Namurian and Basal Westphalian A miospore assemblage from the Featherstone area, Northern England. |
1982 |
original |
Famennian |
|
China(Tibet) |
Lu,L.-C. et al. Upper Devonian acritarchs and spores from the Hongguleleng Formation, Hefeng District in Xinjiang, China. |
1988 |
original |
Late Visean |
|
Canada(Alberta) |
Utting,J. Palynostratigraphic investigation of 74 core samples (Upper Paleozoic) Submitted by J.E.Barclay from three boreholes in the Peace River Arch area (Nts 84D,83M) |
1989 |