original |
Middle Senonian |
|
W.Germany(N.Rhine) |
Weyland,H. et al. The spores and pollen of the Cretaceous of Aachen and their meaning for the characterization of the Middle Senonian. |
1953 |
details |
Nd |
|
Nd |
Pflug,H.D. Origin and development of the angiosperm pollen in earth history |
1953 |
details |
Early Campanian |
|
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 |
details |
Nd |
|
Nd |
Skarby,A. Extratriporopollenites (Pflug) emend. from the Upper Cretaceous of Scania, Sweden. |
1968 |
details |
Senonian |
|
Nd |
Roselt,G. Palaobotanic and palaobotanical method and geological investigation. |
1972 |
details |
Early Maastrichtian |
|
Mississippi |
Tschudy,R.H. Normapolles pollen from the Mississippi Embayment. |
1975 |
details |
Early Campanian |
|
Belgium |
Robaszynski,.F. et al. The limits of the Campanian - Maestrichtian in Limbourg, Belgium - Netherlands. |
1983 |
details |
Cenomanian |
Santonian |
Sweden |
Hultberg,S.U. et al. Fourier shape analysis of Upper Cretaceous Normapolles from South Sweden |
1984 |
details |
Early Campanian |
|
Netherlands |
Robaszynski,F. et al. The Campanian-Maestrichtian boundary in the chalky facies close to the type-Maestrichtian area. |
1985 |
details |
Early Campanian |
|
Belgium |
Robaszynski,F. et al. The Campanian-Maestrichtian boundary in the chalky facies close to the type-Maestrichtian area. |
1985 |
details |
Campanian |
|
North America |
Lupia,R. Discordant morphological disparity and taxonomic diversity during the Cretaceous angiosperm radiation: North American pollen record. |
1999 |