| original |
Valanginian |
Barremian |
England(Dorset) |
Hiltmann,W. On the spore-guides of the core profile of the borehole Contern Fg 11 |
1967 |
| original |
Kimmeridgian |
Berriasian |
Canada(NWT,Mackenzie) |
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 Oxfordian |
Early Valanginian |
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 |
Early Jurassic |
Middle Jurassic |
China(Heilungkiang) |
Pu,R. Mesozoic sporo-pollen floras and paleophyto geoprovinces in Northeastern China |
1992 |
| details |
Jurassic |
Middle Jurassic |
China(Manchuria,Jilin) |
Pu,R. Mesozoic sporo-pollen floras and paleophyto geoprovinces in Northeastern China |
1992 |
| details |
Early Jurassic |
Middle Jurassic |
China(Liaoning) |
Pu,R. Mesozoic sporo-pollen floras and paleophyto geoprovinces in Northeastern China |
1992 |
| details |
Early Jurassic |
Middle Jurassic |
China(Inner Mongolia) |
Pu,R. Mesozoic sporo-pollen floras and paleophyto geoprovinces in Northeastern China |
1992 |