| details |
Ryazanian |
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 |
| details |
Late Tithonian |
Early Berriasian |
Portugal |
Mohr,B.A.R. New palynological information on the age and environment of Late Jurassic and Early Cretaceous Vertebrate localities of the Iberian Peninsula (Eastern Spain and Portugal) |
1989 |
| details |
Early Kimmeridgian |
|
North Sea |
Abbink,O.A. Taxonomic Section. (In: Palynological Investigation in the Jurassic of the North Sea Region. O.A. Abbink) |
1998 |