| original |
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 |
Late Devonian |
|
USSR(Belorussian SSR) |
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 |
Aalenian |
Bathonian |
Europe |
Boulter,M.C. et al. A reconstruction of some Middle Jurassic vegetation in northern Europe. (In: Studies in Palaeobotany and Palynology in Honour of Professor W.G.Chaloner, F.R.S. M.E.Collinson and A.C.Scott, editors) |
1993 |