| details |
Campanian |
Early Paleocene |
Canada(British Columbia) |
Moffat,I.W. et al. Biochrononology of selected Bowser Basin strata; Tectonic significance. |
1988 |
| details |
Campanian |
Maastrichtian |
Kansas |
Lammons,J.M. The palynology and paleoecology of the Pierre Shale, (Campanian - Maestrichtian), of northwestern Kansas and Environs. |
1969 |
| original |
Campanian |
Maastrichtian |
California |
Mcleroy,C.A. et al. Upper Cretaceous, (Campanian-Maastrichtian), angiosperm pollen from the western San Joaquin Valley, California. |
1970 |