| details |
Siegenian |
|
Canada(Gaspe Area) |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
| details |
Devonian |
|
Canada |
McGregor,D.C. et al. Canadian and Australian Devonian spores: zonation and correlation |
1992 |
| details |
Devonian |
|
Australia |
McGregor,D.C. et al. Canadian and Australian Devonian spores: zonation and correlation |
1992 |
| details |
Nd |
|
Nd |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Pennsylvanian |
|
USA(Appalachian Bn.) |
Eble,C.F. Paleoecology of Pennsylvanian Coal Beds in the Appalacian Basin. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |