details |
Cretaceous |
Tertiary |
Montana |
Norton,N.J. et al. Palynology of the Upper Cretaceous and Lower Tertiary in the type locality of the Hell Creek Formation, Montana, USA. |
1969 |
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 |
Charmouthian |
Wealden |
England(Dorset) |
Lantz,J. Palynologic study of some Mesozoic samples from Dorset (Great Britain). |
1958 |