original |
Late Campanian |
|
Montana |
Tschudy,B.D. Two new fossil pollen genera from Upper Campaniam, (Cretaceous), rocks of Montana. |
1971 |
details |
Late Campanian |
|
Montana |
Tschudy,B.D. Palynology of the Upper Campanian, (Cretaceous) Judith River Formation, north-central Montana. |
1973 |
details |
Late Cretaceous |
|
Wyoming |
Meyers,W.C. Environmental analysis of Almond Formation (Upper Cretaceous), from Rock Springs Uplift, Wyoming. |
1977 |
details |
Campanian |
Maastrichtian |
Colorado |
Johnson,R.C. et al. Petrography, X-Ray mineralogy, and palynology of a measured section of the Upper Cretaceous Mesaverde Group in Hunter Canyon, Western Colorado. |
1980 |
details |
Late Campanian |
|
USA(Rocky Mountains) |
Nichols,D.J. et al. Cretaceous palynomorph biozones for the Central and northern Rocky Mountain Region of the United States. |
1982 |
details |
Campanian |
|
Utah |
Jacobson,S.R. et al. Palynological dating of syntectonic units in the Utah-Wyoming Thrust Belt; The Evanston Formation, Echo Canyon Conglomerate, Little Muddy Creek Conglomerate. (In: Geologic Studies of the Cordilleran Thrust Belt. R.B.Powers, editor) |
1982 |
details |
Campanian |
|
Wyoming |
Jacobson,S.R. et al. Palynological dating of syntectonic units in the Utah-Wyoming Thrust Belt; The Evanston Formation, Echo Canyon Conglomerate, Little Muddy Creek Conglomerate. (In: Geologic Studies of the Cordilleran Thrust Belt. R.B.Powers, editor) |
1982 |
details |
Quaternary |
|
Colorado |
Scott,L. et al. Reworked Cretaceous palynomorphs in Late Quaternary deposits from Central Colorado USA. |
1984 |
details |
Cenomanian |
Santonian |
Oregon |
Thompson,G.G. et al. Subsurface stratigraphy of the Ochoco Basin, Oregon. |
1984 |
details |
Late Campanian |
|
Canada(Alberta) |
Jerzykiewicz,T. et al. Sedimentological and palynological evidence of regional climatic changes in the Campanian to Paleocene sediments of the Rocky Mountain Foothiils, Canada |
1988 |
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 |
Early Maastrichtian |
|
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 |
Late Campanian |
Early Maastrichtian |
Montana |
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 |
Late Campanian |
Early Maastrichtian |
Montana |
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 |
Eocene |
|
Canada(NWT,Mackenzie) |
Nassichuk,W.W. et al. Cretaceous and Tertiary fossils discovered in Kimberlites at Lac de Gras in the Slave Province, Northwest Territories. |
1995 |
details |
Campanian |
|
North America |
Lupia,R. Discordant morphological disparity and taxonomic diversity during the Cretaceous angiosperm radiation: North American pollen record. |
1999 |