| original |
Middle Jurassic |
|
Canada(W.Canada) |
Pocock,S.A.J. Palynology of the Jurassic sediments of Western Canada, Part 1. Terrestrial species. |
1970 |
| details |
Late Jurassic |
Early Cretaceous |
USSR |
Petrosyants,M.A. et al. Pollen of Exesipollenites Balme and its importance in stratigraphy |
1983 |
| original |
Middle Jurassic |
|
Canada(W.Canada) |
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 |
Middle Jurassic |
|
Canada(W.Canada) |
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 |
Late Rhaetian |
Early Toarcian |
Canada(Arctic) |
Suneby,L.B. et al. Palynological zonation of the Heiberg Formation (Triassic-Jurassic) eastern Sverdrup Basin, Arctic Canada. |
1988 |