| details |
Carboniferous |
|
USA |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Early Desmoinesian |
|
Iowa |
Baxter,R.W. et al. A Pennsylvanian Calamitean cone with Elaterites triferens spores. |
1967 |
| details |
Middle Pennsylvanian |
|
Iowa |
Baxter,R.W. et al. A new Equisetalean cone with Elaterites triferens spores. |
1966 |
| details |
Pennsylvanian |
|
Illinois |
Good,C.W. et al. The morphology and systematic position of Calamitean elater-bearing spores. |
1975 |
| details |
Pennsylvanian |
|
Iowa |
Good,C.W. et al. The morphology and systematic position of Calamitean elater-bearing spores. |
1975 |
| details |
Pennsylvanian |
|
Kansas |
Good,C.W. et al. The morphology and systematic position of Calamitean elater-bearing spores. |
1975 |
| details |
Pennsylvanian |
|
Iowa |
Good,C.W. et al. The establishment of Elaterites triferens spores in Calamocarpon insignis microsporangia |
1974 |
| details |
Pennsylvanian |
|
Illinois |
Good,C.W. et al. The establishment of Elaterites triferens spores in Calamocarpon insignis microsporangia |
1974 |
| details |
Pennsylvanian |
|
USA |
Good,C.W. Pennsylvanian-Age Calamitean cones, elater-bearing spores, and associated vegetative organs. |
1975 |
| details |
Carboniferous |
|
California |
Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. |
1996 |
| details |
Middle Pennsylvanian |
|
Illinois |
Kurmann,M.H. et al. Comparative ultrastructure of Sphenophyte spores Elaterites and Equisetum |
1984 |
| 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 |
Desmoinesian |
|
Iowa |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Pennsylvanian |
|
Kansas |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Pennsylvanian |
|
Iowa |
Ravn,R.L. An introduction to the stratigraphic palynology of the Cherokee Group (Pennsylvanian) coals of Iowa. |
1979 |
| details |
Atokan |
|
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
| details |
Carboniferous |
|
Nd |
Taylor,N.N. et al. Studies of Carboniferous and extant Elater-bearing spores. |
1973 |