| details |
Middle Pennsylvanian |
|
Iowa |
Baxter,R.W. et al. A new Equisetalean cone with Elaterites triferens spores. |
1966 |
| details |
Desmoinesian |
|
Illinois |
Peppers,R.A. Correlation and palynology of coals in the Carbondale and Spoon Formations (Pennsylvanian) of the northeastern part of the Illinois Basin. |
1970 |
| details |
Pennsylvanian |
|
Nd |
Tschudy,R.H. The plant kingdom and its palynological representation. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Pennsylvanian |
|
Kansas |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Desmoinesian |
|
Iowa |
Wilson,L.R. Elaterites Triferens from a Kansas Coal Ball |
1963 |
| details |
Carboniferous |
|
California |
Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. |
1996 |