| details |
Kimmeridgian |
Valanginian |
Canada(NWT,Mackenzie) |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
| details |
Valanginian |
Hauterivian |
Canada(NWT,Franklin) |
McGregor,D.C. Triassic, Jurassic and Lower Cretaceous spores and pollen of Arctic Canada. |
1965 |
| details |
Neocomian |
Aptian |
Canada(NWT,Franklin) |
McGregor,D.C. Triassic, Jurassic and Lower Cretaceous spores and pollen of Arctic Canada. |
1965 |
| original |
Aptian |
Middle Albian |
Canada(Alberta) |
Singh,C. Microflora of the Lower Cretaceous Mannville Group, east-central Alberta. |
1964 |
| details |
Early Albian |
Middle Albian |
Canada(Alberta) |
Vagvolgyi,A.B. et al. Microflora of the Lower Cretaceous McMurray Formation, Northeast Alberta. |
1969 |
| details |
Albian |
|
Canada(Alberta) |
Vagvolgyi,A.B. Palynology of type McMurray Formation. |
1964 |
| details |
Late Aptian |
Early Albian |
Canada(Alberta) |
Burden,E.T. et al. Illustrated key to genera of Lower Cretaceous terrestrial palynomorphs, (excluding megaspores), of Western Canada. (Stratigraphic ranges and sample locations taken from E.T.Burden,1982 - Lower Cretaceous terrestrial palynomorph biostratigraphy of the McMurray Formation, northeastern Alberta, Unpub.Phd Thesis) |
1989 |
| details |
Late Aptian |
Early Albian |
Canada(Alberta) |
Burden,E.T. et al. Illustrated key to genera of Lower Cretaceous terrestrial palynomorphs, (excluding megaspores), of Western Canada. (Stratigraphic ranges and sample locations taken from E.T.Burden,1982 - Lower Cretaceous terrestrial palynomorph biostratigraphy of the McMurray Formation, northeastern Alberta, Unpub.Phd Thesis) |
1989 |
| details |
Late Cretaceous |
|
Arizona |
Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona |
1969 |
| details |
Late Cretaceous |
|
Arizona |
Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona |
1975 |
| details |
Aptian |
Early Cenomanian |
Alaska |
Shane,J.D. The palynology, biostratigraphy and paleoecology of the Umiat Delta Complex, (Middle Albian - Early Cenomanian), North Slope, Alaska. |
1984 |