| details |
Early Campanian |
|
Canada(Alberta) |
Sweet,A.R. et al. A distinctive terrestrial palynofloral assemblage from the Lower Campanian Chungo Member, Wapiabi Formation, southwestern Alberta; A key to regional correlations. (In: Contributions to Canadian Coal Geoscience) |
1989 |
| details |
Early Campanian |
|
Canada(Alberta) |
Sweet,A.R. et al. A distinctive terrestrial palynofloral assemblage from the Lower Campanian Chungo Member, Waipiabi Formation, southwestern Alberta; A key to regional correlations. (In: Contributions to Canadian Coal Geoscience) |
1989 |
| details |
Cenomanian |
|
Oklahoma |
Davies,E.H. The Anemiacean, Schizaeacean and related spores. An index to genera and species. |
1985 |