| original |
Early Jurassic |
|
China(SW.China) |
Bai,Y. et al. Mesozoic spore-pollen. (In: Palaeontological Atlas of Southwest China, Volume of Microfossils. Edited by Chengdu Institute of Geology and Mineral Resources.) |
1983 |
| original |
Landenian |
|
Mississippi |
Stewart,R.A. Palynology of some Wilcox Group Lignites from Mississippi |
1971 |
| original |
Campanian |
Maastrichtian |
Canada(NWT,Mackenzie) |
McIntyre,D.J. Palynology of an Upper Cretaceous section, Horton River, District of MacKenzie, N. W. T. |
1974 |
| original |
Campanian |
Montian |
Utah |
May,F.E. A survey of palynomorphs from several coal-bearing horizons of Utah. |
1972 |