| details |
Santonian |
Maastrichtian |
Worldwide |
Zaklinskaya,E.D. Synopsis |
1979 |
| details |
Santonian |
Maestrichtian |
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 |
Late Cretaceous |
|
Europe |
GгczЎn,F. et al. The genera of "Stemma Normapolles Pflug 1953B" (Angiospermae). |
1967 |
| details |
Middle Turonian |
Santonian |
E.Germany |
Krutzsch,W. The stratigraphic classification of spores from the Upper Cretaceous in North Central Europe-Methodical Bases and present status of investigations |
1966 |