| details |
Pennsylvanian |
|
Nd |
Brush,G.S. et al. The natural relationships of some Carboniferous microspores |
1964 |
| details |
Paleozoic |
|
Nd |
Brush,G.S. et al. The natural relationships of some Carboniferous microspores |
1965 |
| details |
Late Allegheny |
|
Ohio |
Abbott,M.L. Lycopsid stems and roots and Sphenopsid fructifications and stems from the Upper Freeport County of southeastern Ohio. |
1968 |
| details |
Carboniferous |
|
Germany |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Permian |
|
Nd |
Taylor,T.N. et al. In situ, pollen and spores in plant evolution. 14C -Importance of in situ, pollen and spores in understanding the biology and evolution of fossil plants. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Stephanian |
|
France(Lorraine) |
Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. |
1996 |