| details |
Late Oxfordian |
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 Jurassic |
Berriasian |
Canada(Alberta) |
White,J.M. et al. Palynological age constraints on the Cadomin and Dalhousie Formations in SW Alberta. |
1999 |
| details |
Late Jurassic |
Berriasian |
Canada(Alberta) |
White,J.M. et al. Palynological age constraints on the Cadomin and Dalhousie Formations in SW Alberta. |
1999 |
| details |
Valanginian |
Early Albian |
Canada(Nova Scotia) |
Stea,R.R. et al. Hidden Cretaceous basins in Nova Scotia. |
2001 |