| details |
Middle Pennsylvanian |
|
Illinois |
Good,C.W. Taxonomic characteristics of Sphenophyllalean Cones. |
1978 |
| details |
Pennsylvanian |
|
USA(Mid-Continent) |
Taylor,W.A. Ultrastructure of Sphenophyllalean spores |
1986 |
| details |
Carboniferous |
|
USA |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Carboniferous |
|
USA |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Nd |
|
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 |
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 |
Pennsylvanian |
|
USA(Mid-Continent) |
Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. |
1996 |