| details |
Nd |
|
Nd |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Stephanian A |
|
France(Tarn) |
Doubinger,J. A comparative palynological study of Coal Measures and sterile layers in some Stephanian Basins. |
1967 |
| details |
Desmoinesian |
|
Iowa |
Wilson,L.R. et al. Taxonomy of the spore genera Lycospora and Cirratriradites in the Croweburg Coal. |
1964 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Desmoinesian |
|
Iowa |
Potonie,R. et al. Principal aspects of the development of the palynology of the Carboniferous. |
1964 |
| details |
Carboniferous |
|
England(Staffordshire) |
Alpern,B. Some Current problems of Coal palynology. |
1960 |
| details |
Late Westphalian |
|
France(Lorraine) |
Alpern,B. et al. Can the Lorraine Coalfield provide a stratotype for the Upper Westphalian? |
1967 |
| details |
Desmoinesian |
|
Oklahoma |
Morgan,J.L. Spores of Mcalester-Stigler Coal. |
1955 |
| details |
Westphalian D |
|
Europe |
Alpern,B. The stratigraphic palynology of the Stephanian and the Permian. |
1964 |
| details |
Middle Stephanian |
|
Europe |
Alpern,B. The stratigraphic palynology of the Stephanian and the Permian. |
1964 |
| details |
Early Permian |
|
India |
Alpern,B. The stratigraphic palynology of the Stephanian and the Permian. |
1964 |
| details |
Permian |
|
Africa |
Alpern,B. The stratigraphic palynology of the Stephanian and the Permian. |
1964 |
| details |
Pennsylvanian |
|
Oklahoma |
Miller,F.X. Circlettisporites dawsonensis, gen.et sp.nov., from the Dawson Coal of Oklahoma. |
1966 |
| details |
Late Permian |
|
India(West Bengal) |
Bharadwaj,D.C. The miospore genera in the coals of Raniganj Stage (Upper Permian), India. |
1962 |
| details |
Late Devonian |
|
Europe |
Knox,E.M. Some aspects of microspore morphology. |
1959 |
| details |
Late Devonian |
|
Canada |
Knox,E.M. Some aspects of microspore morphology. |
1959 |
| details |
Nd |
|
Nd |
Loboziak,S. The micro and megaspores of the western part of the Bassin Houiller of northern France, stratigraphic applicationsin the study of several boreholes. |
1969 |