| details |
Early Cretaceous |
|
India(Gujarat) |
Venkatachala,B.S. et al. Palynology of the Mesozoic sediments of Kutch, West India. 3. Morphological study and revision of the spore genus Trilobosporites Pant ex Potonie,1956. |
1969 |
| details |
Tithonian |
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 |