| original |
Late Devonian |
|
Canada(NWT,Franklin) |
Chaloner,W.G. Devonian megaspores from Arctic Canada |
1959 |
| details |
Frasnian |
|
Wales |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Frasnian |
|
Scotland |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Frasnian |
|
New York |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Frasnian |
|
Pennsylvania |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Frasnian |
|
Canada(NWT,Franklin) |
Hills,L.V. et al. The genus Ocksisporites Chaloner. |
1975 |
| details |
Frasnian |
|
Canada(NWT,Mackenzie) |
Hills,L.V. et al. The genus Ocksisporites Chaloner. |
1975 |
| details |
Frasnian |
|
Canada |
Maihle,N.J. et al. A morphological and ultrastructural study of four Devonian megaspores |
1979 |
| details |
Eifelian |
Givetian |
Poland |
Turnau,E. Large spores from Eifelian and Givetian rocks from northern Poland. |
1980 |