original |
Early Paleocene |
|
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 |
Campanian |
|
Canada(NWT,Mackenzie) |
Brideaux,W.W. Palynologic evidence for a very Late Cretaceous age of Little bear and East Fork Formation, District of MacKenzie |
1971 |
details |
Late Campanian |
|
Montana |
Tschudy,B.D. Palynology of the Upper Campanian, (Cretaceous) Judith River Formation, north-central Montana. |
1973 |
details |
Santonian |
Early Campanian |
Canada(Alberta) |
Jarzen,D.M. et al. Evolutionary significance and botanical relationships of Cretaceous angiosperm pollen in the Western Canadian Interor. |
1975 |
details |
Santonian |
Early Campanian |
Canada(Alberta) |
Norris,G. et al. Evolution of the Cretaceous terrestrial palynoflora in Western Canada. |
1975 |
details |
Late Campanian |
Early Maastrichtian |
Colorado |
Johnson,R.C. et al. A study of the Cretaceous-Tertiary unconformity in the Piceance Creek Basin, Colorado--the underlying Ohio Creek Formation (Upper Cretaceous) Aredefined as a Member of the Hunter Canyon or Mesaverde Formation |
1980 |
details |
Campanian |
Early Maastrichtian |
Canada(NWT,Mackenzie) |
Yorath,C.J. et al. Cretaceous and Tertiary stratigraphy and paleogeography northern Interior Plains, District of MacKenzie. |
1981 |
details |
Campanian |
|
Canada(Alberta) |
Jarzen,D.M. Palynology of Dinosaur Provincial Park, (Campanian), Alberta. |
1982 |
details |
Paleocene |
|
Canada(Saskatchewan) |
Jarzen,D.M. Angiosperm pollen from the Ravenscrag Formation (Paleocene), Southern Saskatchewan, Canada. |
1982 |
details |
Cenomanian |
Senonian |
Oregon |
Thompson,G.G. et al. Subsurface stratigraphy of the Ochoco Basin, Oregon. |
1984 |
details |
Late Maastrichtian |
Paleocene |
Canada(Arctic) |
Mudie,P.J. Palynology of the Cesar cores, Alpha Ridge. (In: Initial Geological Report on Cesar, the Canadian Expedition to study the Alpha Ridge, Arctic Ocean, H.R.Jackson, P.J.Mudie, S.M.Blasco, editors) |
1985 |
details |
Middle Campanian |
Late Campanian |
Canada(Saskatchewan) |
Eberth,D.A. et al. Stratigraphy, sedimentology and vertebrate paleontology of the Judith River Formation (Campanian) near Muddy Lake, westcentral Saskatchewan. |
1990 |
details |
Campanian |
|
Canada(Saskatchewan) |
Gilboy,C.F. et al. Preliminary palynological investigations of the Upper Cretaceous strata, southwestern Saskatchewan. |
1991 |
details |
Middle Campanian |
|
Canada(Yukon) |
Nichols,D.J. et al. Biostratigraphy of Upper Cretaceous non-marine palynofloras in a north-south transect of the Western Interior Basin. (In: Evolution of the Western Interior Basin) |
1993 |
details |
Campanian |
Paleocene |
North America |
Lupia,R. Discordant morphological disparity and taxonomic diversity during the Cretaceous angiosperm radiation: North American pollen record. |
1999 |