| details |
Stephanian |
Early Permian |
China(Liaoning) |
Imgrund,R. The sporites of the Kaiping Basin, their paleontologic and stratigraphic treatment in view of a parallelization with the Ruhr Carboniferous and the Pennsylvanian of Illinois. |
1952 |
| original |
Late Stephanian |
|
China(Liaoning) |
Imgrund,R. The sporites of the Kaiping Basin, their paleontologic and stratigraphic treatment in view of a parallelization with the Ruhr Carboniferous and the Pennsylvanian of Illinois. |
1952 |
| details |
Stephanian |
|
China |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| original |
Late Stephanian |
|
China(Liaoning) |
Imgrund,R. Dispersed spores of the Kaiping Basin, their paleontologic and stratigraphic comparison with the Upper Carboniferous of the Ruhr area and the Pennsylvanian of Illinois. |
1960 |
| details |
Early Artinskian |
Early Kungurian |
Turkey |
Agrali,B. et al. Palynologic study of the coals of Hazro and estimation of the age of lacustrine horizons of the Permian-Carboniferous. |
1967 |
| details |
Orenburgian |
Sakmarian |
China(Hopei) |
Hart,G.F. Permian palynofloras and their bearing on Continental Drift. (In: Paleogeographic Provinces and Provinciality, Charles A. Ross, editor) |
1974 |