| details |
Kimmeridgian |
Early Aptian |
Egypt |
Ibrahim,M.I.A. et al. Palynological studies on the Late Jurassic-Early Cretaceous of Kahraman-1 Well, northern Western Desert, Egypt |
1996 |
| details |
Kimmeridgian |
Hauterivian |
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 |
Aptian |
Albian |
South Dakota |
Cahoon,E.J. Lower Cretaceous pollen and spores from the Southern Black Hills |
1965 |
| details |
Nd |
|
Nd |
Singh,C. Microflora of the Lower Cretaceous Mannville Group, east-central Alberta. |
1964 |
| details |
Wealden |
|
Belgium |
Delcourt,A.F. et al. Revision of some Lower Cretaceous microspores from Belgium. |
1963 |
| details |
Wealden |
|
Belgium |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| original |
Wealden |
|
Belgium |
Delcourt,A.F. et al. Spores and pollen of the Wealdian of Hainaut. |
1955 |