original |
Late Cretaceous |
|
Greenland |
Miner,E.L. Paleobotanical examinations of Cretaceous and Tertiary Coals.1.Cretaceous Coals from Greenland. 2.Cretaceous and Tertiary Oals from Montana. |
1935 |
details |
Late Pennsylvanian |
|
India |
PiĀ©rart,P. Palynology of Paleozoic Coal Measures. |
1957 |
details |
Early Cretaceous |
|
Oklahoma |
Potter,D.E. Palynology of a Cretaceous coal in the Omadi Formation, Dakota Group, Oklahoma. |
1967 |
details |
Cenomanian |
|
Iowa |
Srivastava,S.K. Upper Cretaceous palynology-A review |
1967 |
details |
Late Cretaceous |
|
Canada(Alberta) |
Wall,J.H. et al. Paleoecology of the Bearpaw and contiguous Upper Cretaceous Formations in the C.P.O.G.Strathmore Well, Southern Alberta. |
1971 |
details |
Middle Cenomanian |
|
France(Aquitaine) |
Colin,J.P. et al. A Cenomanian Lignite deposit at Sarlat; palynostratigraphic results |
1972 |
details |
Campanian |
Maastrichtian |
Senegal |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
details |
Cenomanian |
|
Iowa |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
details |
Cenomanian |
Turonian |
France |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
details |
Late Cretaceous |
|
Canada(Alberta) |
Speelman,J.D. et al. Megaspore paleoecology |
1980 |