| 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 |
Middle Devonian |
Late Devonian |
China(Yunnan) |
Xu,R. et al. Middle and Early Upper Devonian miospore zonations in Eastern Yunnan and the significance of their stratigraphy. |
1991 |
| details |
Late Frasnian |
Early Famennian |
Canada(Arctic) |
Kerr,J.W. Geology of Bathurst Island Group and Byam Martin Island, Arctic Canada. |
1974 |
| details |
Late Frasnian |
|
Canada(NWT,Franklin) |
Hills,L.V. et al. Upper Devonian megaspores, northeastern Banks Island, NWT. |
1971 |
| original |
Late Devonian |
|
Canada(NWT,Franklin) |
Chaloner,W.G. Devonian megaspores from Arctic Canada |
1959 |
| details |
Late Devonian |
|
Canada(New Brunswick) |
Carr,P.A. Stratigraphy and spore assemblages, Moncton Map area, New Brunswick. |
1968 |
| details |
Late Devonian |
|
North America |
Pi©rart,P. Systematics, stratigraphic and geographic distribution of Carboniferous and Permian megaspores. |
1975 |
| details |
Late Devonian |
|
USSR(Siberia) |
Pi©rart,P. Systematics, stratigraphic and geographic distribution of Carboniferous and Permian megaspores. |
1975 |
| details |
Givetian |
|
USSR(Kazakh SSR) |
Senkevitsch,M.A. et al. On fructifications, morphology and anatomy of Givetian Lepidophytes in Kazakhstan (USSR). |
1993 |
| details |
Frasnian |
|
Canada(Arctic) |
Miall,A.D. Proterozoic and Paleozoic geology of Banks Island, Arctic Canada. |
1976 |
| original |
Frasnian |
|
Canada(Arctic) |
Chi,B.I. et al. Biostratigraphy and taxonomy of Devonian Imegaspores, Arctic, Canada. |
1976 |
| original |
Frasnian |
|
Canada(Arctic) |
Chi,B.I. et al. Biostratigraphy and taxonomy of Devonian Imegaspores, Arctic, Canada. |
1976 |
| details |
Frasnian |
Famennian |
Canada(NWT,Mackenzie) |
Hills,L.V. et al. Megaspores, Imperial Formation (Upper Devonian) Mountain River, District of MacKenzie |
1984 |
| details |
Frasnian |
|
Canada(NWT,Mackenzie) |
Yorath,C.J. et al. Cretaceous and Tertiary stratigraphy and paleogeography northern Interior Plains, District of MacKenzie. |
1981 |
| 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) |
Klovan,J.E. et al. Upper Devonian stratigraphy, northeastern Banks Island, NWT. |
1971 |
| details |
Frasnian |
|
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 |