| original |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Some angiosperm pollen from the Edmonton Formation (Maestrichtian), Alberta, Canada. |
1969 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Pollen biostratigraphy and paleoecology of the Edmonton Formation, (Maestrichtian), Alberta, Canada. |
1970 |
| details |
Late Campanian |
|
Montana |
Tschudy,B.D. Palynology of the Upper Campanian, (Cretaceous) Judith River Formation, north-central Montana. |
1973 |
| details |
Middle Maastrichtian |
Late Maastrichtian |
North Dakota |
Artzner,D.G. Palynology of a Volcanic Ash in the Fox Hills Formation, (Maestrichtian), of Emmons, Morton, and Sioux Counties, North Dakota. |
1974 |
| details |
Turonian |
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 |
Campanian |
Maastrichtian |
North America |
Lupia,R. Discordant morphological disparity and taxonomic diversity during the Cretaceous angiosperm radiation: North American pollen record. |
1999 |