| details |
Valanginian |
Hauterivian |
Bulgaria |
Ercegovac,M. et al. Microfloral residues from the Lower Cretaceous of the Stara Planina Montains, Bulgaria. |
1972 |
| 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 |
Liassic |
Dogger |
W.Germany(Baden) |
Schweitzer,H.J. et al. Correlation of spore zone from the Lower Triassic and Jurassic in the Middle East and South Germany. |
1987 |
| details |
Liassic |
Dogger |
W.Germany(Baden) |
Weiss,M. The Rat and Jurassic sporoflora of Sw-Germany and their relationship with Ammonite stratigraphy |
1989 |
| details |
Kimmeridgian |
Hauterivian |
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 |