| details |
Aalenian |
Bathonian |
North Sea |
Hauger,E. et al. Application of magnetostratigraphy to Brent Group Reservoir zonation in the Visund Field. (In: Palaeomagnetic applications in hydrocarbon exploration and production. P.Turner and A.Turner, editors) |
1995 |
| details |
Rhaetian |
Hettangian |
Poland |
Grabowska,I. et al. Flora from the Lower and Middle Jurassic microflora |
1970 |
| details |
Early Jurassic |
Middle Jurassic |
Poland |
Grabowska,I. et al. Flora from the Lower and Middle Jurassic microflora |
1970 |
| details |
Tournaisian |
Late Triassic |
Worldwide |
Alvin,K.L. Cheirolepidiaceae: Biology, structure and paleoecology. |
1982 |
| details |
Barremian |
|
USSR(Kazakh SSR) |
Alekseeva,V.I. Stages of flora development during Jurassic and Early Cretaceous in the eastern part of North Pre-Caspian with reference to palynological evidence. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |