| details |
Early Permian |
|
Canada(Yukon) |
Bamber,E.W. et al. Stratigraphy and palynology of a Permian section, Tatonduk River, Yukon Territory. |
1969 |
| details |
Wolfcampian |
|
Canada(Yukon) |
Barss,M.S. Carboniferous and Permian spores of Canada. |
1967 |
| details |
Permian |
|
Oklahoma |
Hart,G.F. The systematics and distribution of Permian miospores. |
1965 |
| details |
Kungurian |
|
North America |
Hart,G.F. A review of the classification and distribution of the Permian miospore-Disaccate Striatiti. |
1964 |
| details |
Guadalupian |
|
Oklahoma |
Hart,G.F. A review of the classification and distribution of the Permian miospore-Disaccate Striatiti. |
1964 |