| details |
Permian |
|
USSR(Kalinin) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Permian |
|
Argentina(Mendoza) |
Garca,G.B. Palynology of the El Imperial Formation, Upper Paleozoic, San Rafael Basin, Argentina. Part 1: spores |
1995 |
| details |
Pennsylvanian |
|
Iowa |
Ravn,R.L. An introduction to the stratigraphic palynology of the Cherokee Group (Pennsylvanian) coals of Iowa. |
1979 |
| original |
Pennsylvanian |
|
Illinois |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Pennsylvanian |
|
Kansas |
Urban,J.B. Palynology of the mineral Coal (Pennsylvanian) of Oklahoma and Kansas. |
1962 |
| details |
Pennsylvanian |
|
Oklahoma |
Urban,J.B. Palynology of the mineral Coal (Pennsylvanian) of Oklahoma and Kansas. |
1962 |
| details |
Pennsylvanian |
|
Kentucky |
Kosanke,R.M. Palynological studies of the Coals of the Princess Reserve District in northeastern Kentucky |
1973 |
| details |
Pennsylvanian |
|
Pennsylvania |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
| details |
Pennsylvanian |
|
Illinois |
Courvoisier,J.M. et al. Correlation of spores from Pennsylvanian Coal-Ball fructifications with dispersed spores. |
1975 |
| details |
Pennsylvanian |
Early Permian |
Kansas |
Clendening,J.A. Palynological evidence for placement of the Pennsylvanian-Permian boundary in Kansas, USA. |
1975 |
| details |
Pennsylvanian |
|
USA |
Good,C.W. Pennsylvanian-Age Calamitean cones, elater-bearing spores, and associated vegetative organs. |
1975 |
| details |
Pennsylvanian |
|
Oklahoma |
Wilson,L.R. Palynological assemblage resemblance in the Crowburg Coal of Oklahoma. |
1964 |
| details |
Paleozoic |
|
Nd |
Knox,E.M. The spores of Lycopodium, Phylloglossum, Selaginella and Isoetes and their value in the study of microfossils of Paleozoic age. |
1950 |
| details |
Nd |
|
Nd |
Alpern,B. Contribution to the palynological and petrographic study of French Coals. |
1959 |
| details |
Nd |
|
France |
Coquel,R. Contribution to the knowledge of the Lower Westphalian |
1971 |
| details |
Namurian B |
Westphalian |
Indiana |
Eggert,D.L. et al. Environments of deposition coal balls, Cuticular Shale and Grey-Shale floras in Fountain and Parke Counties, Indiana. |
1982 |
| details |
Namurian B |
Westphalian B |
Virginia |
Eble,C.F. Lower and Lower Middle Pennsylvanian coal palynofloras, southwestern Virginia. |
1996 |