| details |
Late Frasnian |
|
Canada(NWT,Franklin) |
Hills,L.V. et al. Upper Devonian megaspores, northeastern Banks Island, NWT. |
1971 |
| details |
Frasnian |
|
Canada(NWT,Mackenzie) |
Cook,D.G. et al. Ontaratue River (106J), Travaillant Lake (106-O), and Canot Lake 106P) Map areas, District of MacKenzie, Northwest Terriories. |
1975 |
| details |
Frasnian |
|
Canada(Arctic) |
Chi,B.I. et al. Biostratigraphy and taxonomy of Devonian Imegaspores, Arctic, Canada. |
1976 |
| details |
Middle Givetian |
Late Frasnian |
Canada(Saskatchewan) |
Chi,B.I. et al. Middle and Upper Devonian megaspores from the Cape terrace section on Western Melville Island, Arctic Canada. |
1973 |
| details |
Frasnian |
Famennian |
Canada(NWT,Mackenzie) |
Chi,B.I. et al. Stratigraphic and paleoenvironmental significance of Upper Devonian megaspores, Type Section of the Imperial Formation, Northwet Territories, Canada. |
1974 |
| details |
Early Frasnian |
Middle Frasnian |
Canada(NWT,Franklin) |
Chi,B.I. et al. Middle and Upper Devonian megaspores from the Cape terrace section on Western Melville Island, Arctic Canada. |
1975 |
| original |
Late Devonian |
|
Canada(NWT,Franklin) |
Chaloner,W.G. Devonian megaspores from Arctic Canada |
1959 |
| details |
Late Devonian |
|
Canada |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |