| original |
Middle Cenomanian |
|
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |
| details |
Late Turonian |
|
Canada(Alberta) |
Sweet,A.R. et al. Late Turonian marine and nonmarine palynomorphs from the Cardium Formation, North Central Alberta Foothills, Canada. (In: Sequences, stratigraphy, sedimentology; surface and subsurface. D.P.James and D.A.Leckie, editors) |
1988 |
| details |
Albian |
|
China(Shensi) |
Shang,Y.-K. et al. A sporopollen assemblage from the Denglouku Formation of the Li Depression in Southern Songliao Basin. |
1995 |
| details |
Cenomanian |
|
North America |
Lupia,R. Discordant morphological disparity and taxonomic diversity during the Cretaceous angiosperm radiation: North American pollen record. |
1999 |