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 |
Maastrichtian |
Early Paleocene |
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 |
Campanian |
|
Utah |
Robinson,R.A.J. et al. Grain-size trends, basin subsidence and sediment supply in the Campanian Castlegate Sandstone and equivalent conglomerates of Central Utah |
1998 |
details |
Late Maestrichtian |
|
North Dakota |
Pearson,D.A. et al. Palynologically calibrated vertebrate record from North Dakota consistent with abrupt dinosaur extinction at the Cretaceous-Tertiary boundary. |
2001 |
details |
Late Maastrichtian |
|
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 |
Paleocene |
|
Montana |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
details |
Maastrichtian |
|
Montana |
Skvarla,J.J. et al. Fossil pollen ultrastructure by transmission imaging in a Scanning Electron Microscope, (SEM). |
1988 |
details |
Paleocene |
|
Montana |
Lofgren,D.L. et al. Reworking of Cretaceous dinosaurs into Paleocene channel deposits, Upper Hell Creek Formation, Montana. |
1990 |
details |
Maastrichtian |
|
Montana |
Kedves,M. Transmission electron microscopy of the fossil angiosperm exines. |
1990 |
original |
Maastrichtian |
|
Montana |
Robertson,E.B. Marsypiletes cretacea, gen.et sp.nov., from the Hell Creek Formation (Maestrichtian) Montana, USA. |
1973 |
details |
Maastrichtian |
|
Montana |
Robertson,E.B. et al. Marsypiletes Robertson 1973, emend. An index angiosperm pollen from the Maestrichtian of Western North America. |
1978 |
details |
Late Maestrichtian |
|
Montana |
Lerbekmo,J.F. et al. A normal polarity subchron that embraces the K/T Boundary: A measure of sedimentary continuity across the boundary and synchroneity of boundary events. (In: The Cretaceous-Tertiary Events and other Catastrophes in Earth History. G.Ryder et al, editors) |
1996 |
details |
Late Maestrichtian |
|
Montana |
Sweet,A.R. et al. Sequential palynological changes across the composite Cretaceous - Tertiary (K/T) Boundary claystone and contiguous strata, western Canada and Montana, U.S.A. |
1999 |
details |
Cenomanian |
Oligocene |
China(S.China) |
Song,Z.-C. et al. Fossil Spores and Pollen of China. Volume 1: The Late Cretaceous and Tertiary Spores and Pollen. |
1999 |
details |
Cenomanian |
Oligocene |
China(N.China) |
Song,Z.-C. et al. Fossil Spores and Pollen of China. Volume 1: The Late Cretaceous and Tertiary Spores and Pollen. |
1999 |
details |
Late Maastrichtian |
|
Canada(Saskatchewan) |
Nichols,D.J. et al. Palynological and Iridium anomalies at Cretaceous-Tertiary boundary, south-central Saskatchewan. |
1986 |
details |
Late Maastrichtian |
|
Canada(Saskatchewan) |
Sweet,A.R. Palynology of the Ravenscrag and Frenchman Formation. (In: Coal Resources of Southern Saskatchewan: A model for evaluation methodology. S.H.Whitaker, J.A.Irvine and P.L.Broughton, editors) |
1978 |