details |
Late Cretaceous |
|
Nd |
Tschudy,R.H. The plant kingdom and its palynological representation. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
details |
Middle Albian |
Turonian |
Canada(Arctic) |
Sweet,A.R. Jurassic and Cretaceous megaspores. |
1979 |
details |
Aptian |
Albian |
Canada(NWT) |
Sweet,A.R. Jurassic and Cretaceous megaspores. |
1979 |
details |
Maastrichtian |
|
Canada(Yukon) |
Sweet,A.R. Palynology of the lower part, type section, Tent Island Formation, Yukon Territory. |
1978 |
details |
Cenomanian |
|
Iowa |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
details |
Cenomanian |
|
Iowa |
Srivastava,S.K. Upper Cretaceous palynology-A review |
1967 |
details |
Cenomanian |
|
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |
details |
Aptian |
|
Canada(Alberta) |
Singh,C. Microflora of the Lower Cretaceous Mannville Group, east-central Alberta. |
1964 |
details |
Late Albian |
|
Canada(Alberta) |
Singh,C. Lower Cretaceous microfloras of the Peace River area, Northwestern Alberta. |
1971 |
details |
Aptian |
|
W.Germany(Saarland) |
Schultz,G. et al. The megaspores associated with the Lower Cretaceous sediments filling the Paleokarst near Nehden in Saarland, (Rhenish Massif) Supplement to previously known association |
1987 |
details |
Barremian |
Early Aptian |
England(Dorset) |
Ruffell,A.H. et al. Uppermost Wealden facies and Lower Greensand Group (Lower Cretaceous) in Dorset, Southern England; correlation and palaeoenvironment. |
1994 |
details |
Cenomanian |
|
Iowa |
Ravn,R.L. Preliminary observations on the palynology of Upper Dakota Formation Lignites in Northwest Iowa and Northeast Nebraska. (In: Cretaceous stratigraphy and sedimentation in Northwest Iowa, Northeast Nebraska and Southeast South Dakota) |
1981 |
details |
Cenomanian |
|
Nebraska |
Ravn,R.L. Preliminary observations on the palynology of Upper Dakota Formation Lignites in Northwest Iowa and Northeast Nebraska. (In: Cretaceous stratigraphy and sedimentation in Northwest Iowa, Northeast Nebraska and Southeast South Dakota) |
1981 |
details |
Middle Cenomanian |
Late Cenomanian |
Iowa |
Ravn,R.L. et al. The palynostratigraphy of the Dakota Formation, (?Late Albian-Cenomanian) in its type area, northwestern Iowa and northeastern Nebraska, USA. |
1995 |
details |
Late Cretaceous |
|
Iowa |
Potter,D.E. An emendation of the sporomorph Arcellites Miner,1935 |
1963 |
details |
Early Cretaceous |
|
Greenland |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
details |
Early Cretaceous |
|
Canada(Alberta) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |