| original |
Berriasian |
Aptian |
Atlantic Coast Offshore |
Bebout,J.W. An informal palynologic zonation for the Cretaceous System of the United States Mid-Atlantic, (Baltimore Canon Area), O |
1981 |
| original |
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 |
| original |
Valanginian |
Albian |
USA(Atlantic Coast) |
Poppe,L.J. et al. Biostratigraphy, lithofacies and paleoenvironments of the Gulf 718-1 Well, U.S.Mid-Atlantic Outer Continental Shelf. |
1990 |