| details |
Maastrichtian |
|
Canada(NWT) |
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 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 Maastrichtian |
|
Canada(Saskatchewan) |
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 Maastrichtian |
|
Wyoming |
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 |
Maastrichtian |
|
Colorado |
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 |
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 |
Early Paleocene |
|
Wyoming |
Nichols,D.J. et al. Palynostratigraphy of the Tullock Member (Lower Paleocene) of the Fort Union Formation in the Powder Ricer Basin, Montana and Wyoming. (In: Evolution of Sedimentary Basins. A.C.Hoffman, Project Coordinator) |
1992 |
| details |
Early Paleocene |
|
Montana |
Nichols,D.J. et al. Palynostratigraphy of the Tullock Member (Lower Paleocene) of the Fort Union Formation in the Powder Ricer Basin, Montana and Wyoming. (In: Evolution of Sedimentary Basins. A.C.Hoffman, Project Coordinator) |
1992 |
| details |
Early Paleocene |
Middle Paleocene |
North Dakota |
Nichols,D.J. Biostratigraphy, Williston Basin. In: Resource assement of selected Tertiary coal beds and zone in the northern Rocky Mountains and Great Plains regions. |
1999 |
| details |
Maestrichtian |
|
New Mexico |
Newman,K.R. Biostratigraphic correlation of Cretaceous-Tertiary Boundary Rio Colorado to San Juan Basin, New Mexico. (In: The Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Colorado. J.E. Fassett and J.K.Rigby, editors) |
1987 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Nambudiri,E.M.V. et al. Paleobotany, palynology and depositional environmen of the Maestrichtian Whitemud Formation in Alberta and Saskatchewan, Canada. |
1991 |
| details |
Maastrichtian |
|
Canada(Saskatchewan) |
Nambudiri,E.M.V. et al. Paleobotany, palynology and depositional environmen of the Maestrichtian Whitemud Formation in Alberta and Saskatchewan, Canada. |
1991 |
| details |
Early Paleocene |
|
Canada(Saskatchewan) |
McIver,E.E. et al. Sixty-Five Million year old flowers bearing pollen of the extinct Triprojectate complex: A Cretaceous-Tertiary boundary survivor. |
1991 |
| details |
Campanian |
Paleocene |
North America |
Lupia,R. Discordant morphological disparity and taxonomic diversity during the Cretaceous angiosperm radiation: North American pollen record. |
1999 |
| details |
Maastrichtian |
Early Paleocene |
Canada |
Lerbekmo,J.F. et al. The relationship between the Iridium anomaly and palynological flora events at three Cretaceous-Tertiary boundary localities in Western Canada |
1987 |
| details |
Early Paleocene |
|
Canada(Alberta) |
Lerbekmo,J.F. et al. Magnetobiostratigraphy of Late Maestrichtian to Early Paleocene strata of the Hand Hills, South Central Alberta, Canada. |
1995 |
| details |
Maastrichtian |
Danian |
Wyoming |
Leffingwell,H.A. Spore-pollen assemblages of the Upper Lance and the Fort Union Formations from the type Lance Area, Wyoming. |
1966 |