| details |
Aalenian |
Bajocian |
Sweden |
Guy-Ohlson,D. Lower/Middle Jurassic. (In: Pollen and Spore Biostratigraphy of the Phanerozoic in Northwest Europe) |
1984 |
| 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 |
| details |
Aalenian |
Bathonian |
Netherlands |
Herngreen,G.F.W. et al. Palynology of Rhaetian, Liassic and Dogger strata in the eastern Netherlands. |
1974 |