| original |
Late Campanian |
|
Montana |
Tschudy,B.D. Palynology of the Upper Campanian, (Cretaceous) Judith River Formation, north-central Montana. |
1973 |
| details |
Turonian |
|
China(Sinkiang Uighur) |
Zhang,Y.-Y. et al. Evolution of angiosperm pollen of the Early Late Cretaceous in the Western Tarim Basin, South Xinjiang. |
1986 |
| details |
Cenomanian |
Eocene |
China(Szechwan) |
Zhang,Y. et al. Late Cretaceous and Early Tertiary Spores and pollen from the Western Tarim Basin, southern Xinjiang, China. |
1991 |
| details |
Late Cretaceous |
|
Montana |
Retallack,G.J. A pedotype approach to Latest Cretaceous and Earliest Tertiary paleosols in eastern Montana. |
1994 |
| details |
Late Campanian |
|
Canada(Alberta) |
Jerzykiewicz,T. et al. Shoreface of the Bearpaw Sea in the footwall of the Lewis Thrust, Southern Canadian Cordillera, Alberta. |
1996 |
| details |
Campanian |
|
North America |
Lupia,R. Discordant morphological disparity and taxonomic diversity during the Cretaceous angiosperm radiation: North American pollen record. |
1999 |