| details |
Mississippian |
|
Europe |
Pi©rart,P. Systematics, stratigraphic and geographic distribution of Carboniferous and Permian megaspores. |
1975 |
| details |
Namurian |
|
Europe |
Pi©rart,P. Systematics, stratigraphic and geographic distribution of Carboniferous and Permian megaspores. |
1975 |
| details |
Mississippian |
|
Michigan |
Pi©rart,P. Systematics, stratigraphic and geographic distribution of Carboniferous and Permian megaspores. |
1975 |
| details |
Namurian |
|
Michigan |
Pi©rart,P. Systematics, stratigraphic and geographic distribution of Carboniferous and Permian megaspores. |
1975 |
| details |
Late Visean |
Namurian C |
Indiana |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Late Visean |
Namurian C |
Illinois |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Chesterian |
|
Indiana |
Spinner,E. Further studies on the megaspore genus Setispora Butterworth and Spinner,1967. |
1982 |
| details |
Namurian A |
Namurian C |
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 |