| original |
Maastrichtian |
|
Wyoming |
Leffingwell,H.A. Palynology of the Lance (Upper Cretaceous) and Fort Union (Paleocene) Formations of the type Lance area, Wyoming. (In: Symposium on Palynology of the Late Cretaceous and Early Tertiary. R.M Kosanke and A.T. Cross, editors) |
1970 |
| details |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |
| details |
Maastrichtian |
|
Wyoming |
Farabee,M.J. et al. Stratigraphic palynology of the lower part of the Lance Formation, (Maestrichtian) of Wyoming. |
1986 |
| details |
Cretaceous |
|
Wyoming |
Tschudy,R.H. et al. Extinction and survival of plant life following the Cretaceous/Tertiary boundary event, Western Interior, North America. |
1986 |
| details |
Late Maastrichtian |
|
Canada(Alberta) |
Jerzykiewicz,T. et al. The Cretaceous-Tertiary boundary in the Central Alberta Foothills. I. Stratigraphy. |
1986 |
| details |
Late Cretaceous |
|
USA(Mid-Continent) |
Spicer,R.A. Plants at the Cretaceous-Tertiary boundary. (In: Evolution and Extinction. W.G. Chaloner and A. Hallam, editors) |
1989 |
| details |
Late Maastrichtian |
Early Paleocene |
North America |
Nichols,D.J. et al. Palynological evidence of effects of the terminal Cretaceous event on terrestrial floras in Western North America. (In: Extinction events in earth history. IGCP, Proceeding of Project 216. E.G.Kauffman and O.H.Walliser, editors) |
1990 |
| 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 |
|
North America |
Lupia,R. Discordant morphological disparity and taxonomic diversity during the Cretaceous angiosperm radiation: North American pollen record. |
1999 |