| original |
Desmoinesian |
|
Iowa |
Baxter,R.W. Calamocarpon insignis, a new genus of Heterosporous, petrified Calamitean cones from the American Carboniferous. |
1963 |
| original |
Desmoinesian |
|
Kansas |
Baxter,R.W. Calamocarpon insignis, a new genus of Heterosporous, petrified Calamitean cones from the American Carboniferous. |
1963 |
| original |
Desmoinesian |
|
Iowa |
Baxter,R.W. Calamocarpon insignis, a new genus of Heterosporous, petrified Calamitean cones from the American Carboniferous. |
1963 |
| original |
Desmoinesian |
|
Kansas |
Baxter,R.W. Calamocarpon insignis, a new genus of Heterosporous, petrified Calamitean cones from the American Carboniferous. |
1963 |
| details |
Middle Pennsylvanian |
|
USA |
Taylor,T.E. et al. Studies of spores from Carboniferous fructifications. 1. Introduction and preliminary survey utilizing the Scanning Electron Microscope. |
1969 |
| details |
Middle Pennsylvanian |
|
USA |
Leisman,G.A. et al. Variability in Calamocarpon insignis from the American Carboniferous |
1971 |
| 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 |
Nd |
|
Nd |
Good,C.W. et al. The morphology and systematic position of Calamitean elater-bearing spores. |
1975 |
| details |
Pennsylvanian |
|
Indiana |
Courvoisier,J.M. et al. Correlation of spores from Pennsylvanian Coal-Ball fructifications with dispersed spores. |
1975 |
| details |
Middle Pennsylvanian |
|
Illinois |
Potonie,R. Examples of the natural system of spores, a supplement to the synopsis of the Sporae in situ, 1963 and the research reports from 1965,1967, and 1970 and to the phylogenetic sporolog 1973 |
1975 |
| details |
Pennsylvanian |
|
USA |
Good,C.W. Pennsylvanian-Age Calamitean cones, elater-bearing spores, and associated vegetative organs. |
1975 |
| 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 |
Nd |
|
Nd |
Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. |
1996 |