| details |
Early Smithian |
|
Canada(NWT,Franklin) |
Barnes,C.R. et al. Biostratigraphic determinations of fossils from the subsurface of the Districts of Franklin, Keewatin and MacKenzie and the Yukon Territory. |
1974 |
| details |
Early Permian |
|
China(Sinkiang Uighur) |
Wang,H. New forms of Early Permian sporo-pollen assemblages from Southwest Tarim Basin |
1985 |
| details |
Early Permian |
|
China(Sinkiang Uighur) |
Wang,H. Early Permian palynofloras from Qipan-Duwa areas, Tarim Basin, Xinjiang and their paleoenvironment. |
1989 |
| details |
Early Olenikian |
|
USSR(Komi ASSR) |
Yaroshenko,O.P. et al. New species of Lower Triassic spores from the Pechora Syneclise |
1989 |
| details |
Artinskian |
|
Canada(NWT,Franklin) |
Barss,M.S. Carboniferous and Permian spores of Canada. |
1967 |