| details |
Albian |
|
Louisiana |
Fensome,R.A. Taxonomy and biostratigraphy of Schizaealean spores from the Jurassic-Cretaceous boundary beds of the Aklavik Range, District of MacKenzie |
1987 |
| details |
Late Berriasian |
Early Hauterivian |
Europe |
Batten,D.J. et al. Stratigraphic significance of selected Late Jurassic and Cretaceous miospores in Northwest Europe. (In: Pollen and Spore Biostratigraphy of the Phanerozoic in Northwest Europe) |
1984 |
| details |
Albian |
|
Louisiana |
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 |
| original |
Albian |
|
Louisiana |
Phillips,P.P. et al. A study of the Lower and Middle Cretaceous spores and pollen from the southeastern United States. 6. Spores. |
1971 |