| original |
Visean |
|
Australia(W.Australia) |
Playford,G. Trilete spores of Umbonatisporites in the Lower Carboniferous of Northwestern Australia |
1972 |
| details |
Late Devonian |
Early Mississippian |
Ohio |
Eames,L.E. Palynology of the Berea Sandstone and Cuyahoga Group of northeastern Ohio. |
1974 |
| details |
Visean |
|
Australia(W.Australia) |
Playford,G. Plant microfossils from the Upper Devonian and Lower Carboniferous of the Canning Basin, Western Australia. |
1976 |
| details |
Kungurian |
Zechstein |
China(Shensi) |
Kaiser,H. The Permian microflora of the Cathaysia Layers of Northwestern Shensi, China. |
1976 |
| details |
Tournaisian |
|
Australia(W.Australia) |
Playford,G. Plant microfossils from the Upper Devonian and Lower Carboniferous of the Canning Basin, Western Australia. |
1976 |