| details |
Middle Campanian |
|
Mississippi |
Tschudy,R.H. Normapolles pollen from the Mississippi Embayment. |
1975 |
| original |
Maestrichtian |
|
Tennessee |
Tschudy,R.H. Normapolles pollen from the Mississippi Embayment. |
1975 |
| details |
Maastrichtian |
|
China(Inner Mongolia) |
Sun,X.-J. et al. Late Cretaceous (Maestrichtian) sporo-pollen assemblages from northern Nei Monggol. |
1979 |
| details |
Middle Campanian |
Late Campanian |
Mississippi |
Harrison,R.W. Campanian coastal plain sediments in southeastern Missouri and southern Illinois: Significance to the early geologic history the northern Mississippi Embayment. |
1997 |
| details |
Campanian |
Maastrichtian |
North America |
Lupia,R. Discordant morphological disparity and taxonomic diversity during the Cretaceous angiosperm radiation: North American pollen record. |
1999 |