| details |
Ryazanian |
Valanginian |
Norway |
Thusu,B. Aptian to Toarcian dinoflagellate cysts from Arctic Norway. (In: Distribution of Biostratigraphically diagnostic dinoflagellate cysts and miospores from the Northwest European continental shelf and adjacent areas. B.Thusu, editor) |
1978 |
| details |
Kimmeridgian |
|
Europe |
Sarjeant,W.A.S. Middle and Upper Jurassic dinoflagellate cysts |
1979 |
| details |
Middle Berriasian |
Early Albian |
Canada(British Columbia) |
Broatch,J. Palynological zonation and correlation of the Peace River Coalfield northeastern British Columbia. |
1986 |