| details |
Emsian |
Givetian |
Canada(NWT,Franklin) |
McGregor,D.C. Devonian spores of the Queen Elizabeth Islands, Northwest Territories |
1970 |
| details |
Givetian |
|
Canada(NWT,Franklin) |
McGregor,D.C. Devonian spores of the Queen Elizabeth Islands, Northwest Territories |
1970 |
| original |
Givetian |
|
Canada(NWT,Franklin) |
Owens,B. Miospores from the Middle and Early Upper Devonian rocks of the Western Queen Elizabeth Islands, Arctic Archipelago. |
1971 |
| details |
Late Emsian |
|
W.Germany(N.Rhine) |
Edalat,B. Spore assemblages and acritarchs from the Lower Devonian (Emsian) of the Southern Bergishen Land |
1974 |
| details |
Middle Emsian |
Late Emsian |
Canada(Arctic) |
McGregor,D.C. Early Devonian spores from Central Ellesmere Isllnd, Canadian Arctic. |
1974 |
| details |
Eifelian |
Givetian |
Canada(NWT,Franklin) |
McGregor,D.C. Devonian assemblage (palynomorphs). (In: Biostratigraphic determinations from the subsurface of the Districts of MacKenzie and Franklin and the Yukon Territory. J.W. Andrechuk) |
1977 |
| details |
Late Visean |
|
Niger |
Loboziak,S. et al. The Visean age of the Agades Coal Basin (Niger). III. |
1978 |
| details |
Givetian |
|
Canada(Arctic) |
Trettin,H. Devonian stratigraphy, westcentral Ellesmere Island, Arctic Archipelago. |
1978 |
| details |
Early Givetian |
|
Canada(Arctic) |
Mayr,U. Stratigraphy and correlation of Lower Paleozoic Formations, subsurface of Bathurst Island and adjacent smaller islands, Canadian Arctic Archipelago. |
1980 |
| details |
Eifelian |
Givetian |
Canada(Arctic) |
McGregor,D.C. et al. Middle Devonian miospores from the Cape de Bray, Weatherall, and Hecla Bay Formations of northeastern Melville Islad, Canadian Arctic. |
1982 |
| details |
Givetian |
|
Canada(NWT,Franklin) |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |