details |
Early Campanian |
|
Montana |
Tysdal,R.G. et al. The Livingston Formation in the Madison Range of Southwestern Montana. |
1987 |
details |
Maastrichtian |
|
Montana |
Baadsgaard,H. et al. A Rb/Sr age for the Cretaceous - Tertiary boundary, (Z Coal), Hell Creek, Montana. |
1980 |
details |
Maastrichtian |
|
Montana |
Oltz,D.F. Numerical analyses of palynological data from Cretaceous and Early Tertiary sediments in East Central Montana. |
1969 |
details |
Late Cretaceous |
Paleocene |
Montana |
Oltz,D.F. Cluster analyses of Late Cretaceous-Early Tertiary pollen and spores |
1971 |
details |
Late Cretaceous |
|
Montana |
Melchior,R.C. Pollen and spores of the Shawmut Anticline, Montana. |
1965 |
details |
Late Cretaceous |
Paleocene |
Montana |
Ryder,R.T. et al. Palynology and age of Beaverhead Formation and their paleotectonic implications in Lima Region, Montana-Idaho. |
1970 |
details |
Santonian |
Maastrichtian |
Montana |
Newman,K.R. A review of Jurassic, Cretaceous, and Paleocene stratigraphic palynology in Montana. |
1972 |
details |
Maastrichtian |
Early Paleocene |
Montana |
Johnson,K.R. et al. Megafloral change across the Cretaceous/Tertiary boundary in the northern Great Plains and Rocky Mountains, USA. |
1990 |
details |
Late Campanian |
|
Montana |
Tschudy,B.D. Palynology of the Upper Campanian, (Cretaceous) Judith River Formation, north-central Montana. |
1973 |
details |
Campanian |
|
Montana |
Newman,K.R. Palynomorphs from the Livingston Group and Fort Union Formation, Crazy Mountains Basin, Montana. |
1968 |
details |
Late Cretaceous |
|
Montana |
Jarzen,D.M. Aquillapollenites and some Santalalean genera.A. Botanical comparison. |
1977 |
details |
Late Cretaceous |
Paleocene |
Montana |
Jarzen,D.M. Aquillapollenites and some Santalalean genera.A. Botanical comparison. |
1977 |
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 |
Maestrichtian |
|
Montana |
Rigby,J.K.,Jr. et al. Dinosaurs from the Paleocene Part of the Hell Creek Formation, McCone Country, Montana. |
1987 |
details |
Late Cretaceous |
|
Montana |
Retallack,G.J. A pedotype approach to Latest Cretaceous and Earliest Tertiary paleosols in eastern Montana. |
1994 |
details |
Late Maestrichtian |
|
Montana |
Hotton,C.L. Palynofloral changes across the Cretaceous-Tertiary boundary in East Central Montana |
1984 |
details |
Early Campanian |
|
Montana |
Payenberg,T.H.D. et al. Litho- and chronostratigraphic relationships of the Santonian - Campanian Milk River Formation in southern Alberta and Eagle Formation in Montana utilising stratigraphy, U-Pb geochronology, and palynology. |
2002 |