| details |
Frasnian |
|
Canada(Arctic) |
McGregor,D.C. et al. Devonian spores and conodonts of Melville and Bathurst Island, District of Franklin. |
1972 |
| details |
Late Frasnian |
|
Canada(NWT,Franklin) |
Hills,L.V. et al. Upper Devonian megaspores, northeastern Banks Island, NWT. |
1971 |
| details |
Givetian |
Frasnian |
Canada(NWT,Franklin) |
Klovan,J.E. et al. Upper Devonian stratigraphy, northeastern Banks Island, NWT. |
1971 |
| details |
Early Triassic |
|
Canada(Arctic) |
Hills,L.V. et al. Reworked Devonian megaspores from the Triassic Bjorne Formation Melville Island, Arctic Canada |
1970 |
| details |
Frasnian |
Famennian |
Canada(NWT,Franklin) |
Hills,L.V. et al. Devonian megaspores from northern Banks Island, Arctic Canada |
1970 |
| details |
Frasnian |
|
Canada(NWT,Franklin) |
McGregor,D.C. Devonian spores of the Queen Elizabeth Islands, Northwest Territories |
1970 |
| details |
Late Devonian |
|
Canada(NWT,Franklin) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| original |
Late Devonian |
|
Canada(NWT,Franklin) |
Chaloner,W.G. Devonian megaspores from Arctic Canada |
1959 |