| original |
Middle Albian |
Late Albian |
Canada(Saskatchewan) |
Pocock,S.A.J. Pollen and spores of Chlamydospermidae and Schizaeaceae from Upper Manville strata of the Saskatoon area of Saskatchwan. |
1964 |
| original |
Middle Jurassic |
|
Canada(W.Canada) |
Pocock,S.A.J. Palynology of the Jurassic sediments of Western Canada, Part 1. Terrestrial species. |
1970 |
| details |
Nd |
|
Nd |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
| details |
Nd |
|
Nd |
Dybkjaer,K. Palynological zonation and palynofacies investigation of the Fjerritslev Formation (Lower Jurassic-Basal Middle Jurassic) in the Danish Subbasin |
1991 |
| details |
Middle Jurassic |
|
Canada(Saskatchewan) |
White,J.M. et al. Palynological evidence for Jurassic and Triassic(?) ages of the Upper Watrous and Lower Gravelbourg Formations, southern Saskatchewan. |
2002 |