| details |
Middle Albian |
Early Campanian |
Wyoming |
Nichols,D.J. et al. Guide species of dinocysts, pollen, and spores from Cretaceous formations in the overthrust Belt of Utah and Wyoming. |
1980 |
| details |
Campanian |
Maastrichtian |
Wyoming |
Takahashi,K. Stratigraphic and geographic distribution of Triprojectacites pollen group in the Late Cretaceous and the Early Tertiary. |
1981 |
| details |
Maastrichtian |
|
Wyoming |
Nichols,D.J. et al. A new Cretaceous-Tertiary boundary locality in the Western Powder River Basin, Wyoming; Biological and geological implications. |
1992 |
| details |
Early Campanian |
Maastrichtian |
Wyoming |
Nichols,D.J. et al. Palynostratigraphic framework for the Cretaceous (Albian-Maestrichtian), of the overthrust Belt of Utah and Wyoming. |
1982 |
| details |
Maastrichtian |
|
Wyoming |
Nichols,D.J. et al. Cretaceous biostratigraphy in the Wyoming Thrust Belt |
1982 |
| details |
Maastrichtian |
|
Wyoming |
Farabee,M.J. et al. Stratigraphic palynology of the lower part of the Lance Formation, (Maestrichtian) of Wyoming. |
1986 |
| details |
Maastrichtian |
|
Wyoming |
Bohor,B.F. et al. Dinosaurs, spherules and the "Magic" Layers: A new K/T Boundary Clay Site in Wyoming. |
1987 |
| details |
Campanian |
|
Wyoming |
Kirschbaum,M.A. et al. Geologic history and palynologic dating of Paleocene Deposits, western rock Springs Uplift Sweetwater County, Wyoming. |
1988 |
| details |
Late Campanian |
Early Maastrichtian |
Wyoming |
Bryant,B. et al. Late Mesozoic and Early Tertiary reactivation of an ancient crustal boundary along the Uinta Tend and its interaction with the Sevier Orogenic Belt. (In: Interaction of the Rocky Mountain Foreland and the Cordilleran Thrust Belt. C.Schmidt and W.Perry, editors) |
1988 |
| details |
Late Maastrichtian |
|
Wyoming |
Nichols,D.J. et al. Latest Cretaceous and Early Tertiary history of vegetation in the Powder River Basin, Montana and Wyoming. (In: Geological Society of America-Centennial Meeting Field Trip Guidebook. G.S. Holden, editor) |
1988 |
| details |
Maastrichtian |
|
Wyoming |
Nichols,D.J. et al. Plant microfossil record of the terminal Cretaceous event in the Western United States and Canada. (In: Global catastrophes in earth history; An interdiciplinary conference on impacts, volcanism and mass mortality. V.L.Sharton et al, editors) |
1990 |
| details |
Maastrichtian |
|
Wyoming |
Nichols,D.J. et al. Latest Cretaceous and Early Tertiary history of vegetation in the Powder River Basin, Montana and Wyoming. |
1989 |
| details |
Maastrichtian |
|
Wyoming |
Kauffman,E.G. A brackish-water biota from the Upper Cretaceous Harebell Formation of Northwestern Wyoming |
1973 |
| details |
Early 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 |
Early 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 |
Campanian |
Maestrichtian |
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 |
Middle Campanian |
Maestrichtian |
Wyoming |
Tschudy,B.D. et al. Aquilapollenites (Rouse)Funkhouser: Selected Rocky Mountain taxa and their stratigraphic ranges. (In: Symposium on Palynology of the Late Cretaceous and Early Tertiary. R.M Kosanke and A.T. Cross, editors) |
1970 |