| details |
Strunian |
Tournaisian |
Nd |
Scott,A.C. et al. Paleozoic spores and pollen. Chapter 18G Palaeozoic megaspores. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Tournaisian |
|
Ohio |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Strunian |
|
S.Ireland(Wexford) |
Higgs,K.T. et al. Megaspores from the Uppermost Devonian, (Strunian), of Hook Head, County Wexford, Ireland. |
1982 |
| details |
Late Devonian |
|
Spitsbergen |
DybovЎ-Jachowiczowa,S. et al. Revision of the megaspores with Gula of the Carboniferous |
1984 |
| details |
Tournaisian |
|
Ohio |
DybovЎ-Jachowiczowa,S. et al. Revision of the megaspores with Gula of the Carboniferous |
1984 |
| details |
Nd |
|
Nd |
Yang,J. et al. Megaspores and their geological significance. |
1985 |
| details |
Westphalian B |
|
Poland |
DybovЎ-Jachowiczowa,S. et al. Preliminary note on revision of Carboniferous megaspores with Gula. Principles of the classification. |
1979 |
| details |
Early Mississippian |
|
Ohio |
DybovЎ-Jachowiczowa,S. et al. Preliminary note on revision of Carboniferous megaspores with Gula. Principles of the classification. |
1979 |