| details |
Ryazanian |
Hauterivian |
Canada(NWT,Mackenzie) |
Fensome,R.A. Taxonomy and biostratigraphy of Schizaealean spores from the Jurassic-Cretaceous boundary beds of the Aklavik Range, District of MacKenzie |
1987 |
| details |
Late Barremian |
Early Aptian |
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 |
Berriasian |
Barremian |
North America |
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 |
Nd |
|
Nd |
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 |
Aptian |
Albian |
China(Kansu) |
Wang,X. The study on the Late Mesozoic sporopollen of Mazongshan Region, Gansu, China. |
2000 |
| details |
Late Albian |
Early Cenomanian |
Egypt |
Mahmoud,M.S. et al. Jurassic-Cretaceous (Bathonian to Cenomanian) palynology and stratigraphy of the West Tiba-1 borehole, northern Western Desert, Egypt. |
2000 |
| details |
Albian |
|
China(Kansu) |
Tang,F. et al. Biostratigraphy and palaeoenvironment of the dinosaur-bearing sediments in Lower Cretaceous of Mazongshan area, Gansu Province, China. |
2001 |
| details |
Albian |
|
China(Kansu) |
Tang,F. et al. Biostratigraphy and palaeoenvironment of the dinosaur-bearing sediments in Lower Cretaceous of Mazongshan area, Gansu Province, China. |
2001 |