| original |
Late Barremian |
Early Aptian |
France(Boulonnais) |
Herngreen,G.F.W. Palynology of a Wealden Section, (Lower Cretaceous) in the "Carriere de Longueville", the Boulonnais (France). |
1971 |
| details |
Late Barremian |
Early Aptian |
France(Boulonnais) |
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 Barremian |
Early Aptian |
Europe |
Batten,D.J. et al. Stratigraphic significance of selected Late Jurassic and Cretaceous miospores in Northwest Europe. (In: Pollen and Spore Biostratigraphy of the Phanerozoic in Northwest Europe) |
1984 |