| original |
Late Cretaceous |
Paleocene |
Montana |
Norton,N.J. Palynology of the Upper Cretaceous and Lower Tertiary in the type locality of the Hell Creek Formation |
1965 |
| details |
Cretaceous |
Tertiary |
Montana |
Norton,N.J. et al. Palynology of the Upper Cretaceous and Lower Tertiary in the type locality of the Hell Creek Formation, Montana, USA. |
1969 |
| details |
Cenomanian |
Maestrichtian |
South Africa |
McLachlan,I.R. et al. Preliminary palynological results |
1978 |
| details |
Danian |
|
Montana |
Dingus,L.W. A stratigraphic review and analysis for selected marine and terrestrial sections spanning the Cretaceous-Tertiary boundary. (Unpublished Ph.D Thesis, University of California, Berkeley) |
1983 |
| details |
Callovian |
Aptian |
Israel |
Brenner,G.J. et al. Palynology and the age of the Lower Cretaceous Basal Kurnub Group from the Coastal Plain to the northern Kegev of Israel |
1992 |