| details |
Early Carboniferous |
|
Montana |
Sandberg,C.A. et al. Comparison between spore and conodont assemblages at the Devonian-Carboniferous boundary in Montana (Western United States), and Europe. |
1971 |
| details |
Devonian |
|
Nd |
Kedves,M. Trends and problems of the research of fossil spores and pollen grains |
1988 |
| details |
Devonian |
|
Nd |
McGregor,D.C. Spores in Devonian stratigraphic correlation. (In: A Field Guide to Selected Outcrop Area of the Devonian of Scotland, the Welsh Borderland and South Wales. P.F.Friend and B.P.L.Williams, editors) |
1978 |
| details |
Devonian |
|
Nd |
Marshall,J.E.A. Vegetational history of Devonian spores. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |