| details |
Albian |
Cenomanian |
North America |
Lupia,R. Discordant morphological disparity and taxonomic diversity during the Cretaceous angiosperm radiation: North American pollen record. |
1999 |
| details |
Late Albian |
|
Kansas |
Ward,J.V. Early Cretaceous angiosperm pollen from the Cheyenne and Kiowa Formations, (Albian) of Kansas, USA. |
1986 |
| original |
Middle Cenomanian |
|
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |
| details |
Albian |
Cenomanian |
Argentina(Mendoza) |
Vallati,P. Middle Cretaceous microflora from the Huincul Formation ("Dinosaurian Beds") in the Neuqu©n Basin, Patagonia, Argentina. |
2001 |