| details |
Nd |
|
Nd |
Fensome,R.A. Taxonomy and biostratigraphy of Schizaealean spores from the Jurassic-Cretaceous boundary beds of the Aklavik Range, District of MacKenzie |
1987 |
| original |
Middle Albian |
Late Albian |
Canada(Saskatchewan) |
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 |
Albian |
|
China(Kirin) |
Yu,J. et al. Early Cretacous spores and pollen assemblage of Yanbian District |
1983 |