original |
Late Tithonian |
|
England(Sussex) |
Norris,G. Palynology of the Jurassic-Cretaceous boundary in Southern England. |
1970 |
original |
Late Tithonian |
|
England(Dorset) |
Norris,G. Palynology of the Jurassic-Cretaceous boundary in Southern England. |
1970 |
original |
Late Berriasian |
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 |
original |
Late Oxfordian |
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 |