| original |
Late Campanian |
Middle Maastrichtian |
Mississippi |
Tschudy,R.H. Normapolles pollen from the Mississippi Embayment. |
1975 |
| details |
Late Campanian |
|
Texas |
Srivastava,S.K. Dinocyst biostratigraphy of Santonian-Maestrichtian Formations of the western Gulf Coastal Plain, South United States. |
1995 |
| 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 |
|
North America |
Lupia,R. Discordant morphological disparity and taxonomic diversity during the Cretaceous angiosperm radiation: North American pollen record. |
1999 |
| details |
Early Tertiary |
|
India(Andhra Pradesh) |
Gupta,S. et al. Normapolles group of pollen grains in the Indian Palaeogene palynoassemblage from Ganga Basin, India. |
2003 |