| details |
Bajocian |
|
England(Yorkshire) |
Gowland,S. et al. Stratigraphy, sedimentology and palaeontology of the Scarborough Formation (Middle Jurassic) at Hundale Point, North Yorkshire. |
1991 |
| details |
Portlandian |
Berriasian |
Sweden |
Erlstrom,M. et al. Upper Jurassic-Lower Cretaceous petrography and stratigraphy at Eriksdal, Scania, southern Sweden. |
1991 |
| details |
Silurian |
Devonian |
Canada(Ontario) |
Eley,B.E. et al. Cherts of Southern Ontario |
1989 |
| details |
Early Toarcian |
|
Greece |
Baudin,F. et al. Geochemical and palynological studies of Late Lias in Ionian Zone, (Greece), example of an anoxic sedimentation preserved in a distensive paleo-margin. |
1990 |