| details |
Early Gondwana |
|
India(Bihar) |
Bharadwaj,D.C. et al. Sporological correlation of coal seams in Saunda and Gidi areas of South Karanpura Coalfield, Bihar, India. |
1968 |
| details |
Late Pennsylvanian |
Early Permian |
India(Andhra Pradesh) |
Moiz,A.A. et al. A preliminary study of sporae dispersae in Ramagundum Coalfield, Godavari Coal Basin, Andhra Pradesh. |
1968 |
| details |
Early Permian |
|
India(Madhya Pradesh) |
Bharadwaj,D.C. et al. Correlation of coal seams in Chirimiri Coalfield, M.P., on the basis of sporae dispersae. |
1968 |
| details |
Late Pennsylvanian |
|
USA(Appalachian Bn.) |
Gillespie,W.H. et al. Age of Dunkard Group, Appalachian Basin. |
1969 |
| details |
Stephanian |
|
USA(Appalachian Bn.) |
Clendening,J.A. The base of the Permian in the Appalachians; ninety years of controversy. |
1969 |
| details |
Early Gondwana |
|
India(Orissa) |
Bharadwaj,D.C. et al. Palynological correlation of Coal Seams in Talcher Coalfield, Orissa, India. |
1969 |
| details |
Permian |
|
Southern Hemisphere |
Hart,G.F. Palynology of the Permian Period. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Permian |
|
Europe |
Hart,G.F. Palynology of the Permian Period. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Permian |
|
North America |
Hart,G.F. Palynology of the Permian Period. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Kazanian |
|
USSR(European) |
Hart,G.F. Palynology of the Permian Period. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Artinskian |
Kungurian |
China |
Hart,G.F. Palynology of the Permian Period. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Permian |
|
USSR(Siberia) |
Hart,G.F. Palynology of the Permian Period. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Artinskian |
Kungurian |
Iraq |
Hart,G.F. Palynology of the Permian Period. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Artinskian |
Kungurian |
Turkey |
Hart,G.F. Palynology of the Permian Period. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Early Permian |
Late Permian |
Australia |
Evans,P.R. Upper Carboniferous and Permian palynological stages and their distribution in eastern Australia |
1969 |
| 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 |
Middle Pennsylvanian |
|
Illinois |
Millay,M.A. et al. Idanothekion, gen.nov., a synangiate pollen organ with saccate pollen from the Middle Pennsylvanian of Illinois. |
1970 |