| details |
Campanian |
Maastrichtian |
Kansas |
Lammons,J.M. The palynology and paleoecology of the Pierre Shale, (Campanian - Maestrichtian), of northwestern Kansas and Environs. |
1969 |
| details |
Aptian |
|
Romania |
Baltes,N. Cretaceous microfloristic complexes from the Moesic Platform, Romania. |
1966 |
| details |
Middle Senonian |
|
Germany |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| original |
Early Senonian |
|
E.Germany(Halle) |
Weyland,H. et al. On the well-structured leaves and plant microfossils from the Lower Senonian Clays of the Quedlinburg area. |
1953 |