| original |
Leonardian |
Guadalupian |
Canada(Alberta) |
Jansonius,J. Palynology of Permian and Triassic sediments, Peace River area, Western Canada. |
1962 |
| details |
Kungurian |
|
North America |
Hart,G.F. A review of the classification and distribution of the Permian miospore-Disaccate Striatiti. |
1964 |
| details |
Leonardian |
Guadalupian |
Canada(Alberta) |
Hart,G.F. A review of the classification and distribution of the Permian miospore-Disaccate Striatiti. |
1964 |
| details |
Nd |
|
Nd |
Hart,G.F. The systematics and distribution of Permian miospores. |
1965 |
| details |
Late Permian |
|
Czechoslovakia |
Planderova,E. Palynological research in the Melaphyre Series of the Choc Unit in the northeast part of the Nizke Tatry between Spissky Stiavnik and Vikartovce. |
1973 |
| details |
Gzelian |
|
Kazakstan |
Dunn,M.T. Palynology of the Carboniferous-Permian boundary stratotype, Aidaralash Creek, Kazakhstan. |
2001 |