| original |
Desmoinesian |
|
Iowa |
Wilson,L.R. Elater-bearing spores from the Pennsylvanian strata of Iowa |
1943 |
| details |
Nd |
|
Nd |
Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains |
1954 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Early Namurian A |
|
Poland |
Jachowicz,A. Microspores Tripartites from Namurian deposits in Upper Silesia. |
1966 |
| details |
Pennsylvanian |
|
Illinois |
Peppers,R.A. et al. A comparison of the floras of the Colchester (No.2) Coal and Francis Creek Shale. (In: Depositional environments in parts of the Carbondale Formation: Western and northern Illinois) |
1970 |
| details |
Pennsylvanian |
|
Nd |
Good,C.W. et al. Elater-bearing spores of the Calamitales. |
1974 |
| details |
Middle Pennsylvanian |
|
Illinois |
Stubblefield,S.P. et al. Conostoma williamsonii, n.sp., a Lagenostomalean ovule from the Pennsylvannian of the Illinois Basin. |
1984 |
| details |
Middle Pennsylvanian |
|
Kentucky |
Stubblefield,S.P. et al. Conostoma williamsonii, n.sp., a Lagenostomalean ovule from the Pennsylvannian of the Illinois Basin. |
1984 |
| details |
Nd |
|
Nd |
Kurmann,M.H. Some evolutionary perspectives in the study of pollen and spore finestructure |
1986 |
| details |
Nd |
|
Nd |
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 |