| original |
Late Campanian |
|
Mississippi |
Tschudy,R.H. Normapolles pollen from the Mississippi Embayment. |
1975 |
| details |
Campanian |
|
Worldwide |
Zaklinskaya,E.D. Synopsis |
1979 |
| details |
Campanian |
|
Nd |
Ponomarenko,Z.K. et al. Form-genus Plicapollis Pflug 1953. (In: Synopsis: Key and Correlative Taxa (Late Cretaceous - Paleogene) angiosperm pollen (Reference Manual). M.A.Petrosyants, editor) |
1979 |
| details |
Campanian |
Maastrichtian |
North America |
Lupia,R. Discordant morphological disparity and taxonomic diversity during the Cretaceous angiosperm radiation: North American pollen record. |
1999 |