| original |
Middle Eocene |
|
Canada(British Columbia) |
Rothwell,G.W. et al. Metasequoia milleri, n.sp., anatomically preserved pollen cones from the Middle Eocene, (Allenby Formation), of British Columia. |
1979 |
| details |
Maestrichtian |
|
Canada(Alberta) |
Serbet,R. et al. Taxodiaceous pollen Cones from the Upper Cretaceous, (Horseshoe Canyon Formation) of Drumheller, Alberta, Canada. |
1991 |
| details |
Eocene |
|
Canada |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Eocene |
|
Nd |
Taylor,T.N. et al. In situ, pollen and spores in plant evolution. 14C -Importance of in situ, pollen and spores in understanding the biology and evolution of fossil plants. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Tiffanian |
|
Canada(Alberta) |
Stockey,R.A. et al. Diversity among Taxodioid Conifers: Metasequoia foxii sp. nov. from the Paleocene of Central Alberta, Canada. |
2001 |