| details |
Valanginian |
|
Romania |
Antonescu,E. et al. Correlation dinoflagellates Iwith Ammonite and Calpionellid zones of the Lower Cretaceous of Svinita-Banat. |
1980 |
| details |
Late Oxfordian |
Early Portlandian |
Celtic Sea |
Ainsworth,N.R. et al. Biostratigraphy of the Lower Cretaceous, Jurassic, and Uppermost Triassic of the North Celtic Sea and Fastnet Basins. (In: Petroleum Geology of North West Europe. J.J.Brooks and K.W.Glennie, editors) |
1987 |
| details |
Bathonian |
Kimmeridgian |
Celtic Sea |
Ainsworth,N.R. et al. Jurassic and Upper Triassic biostratigraphy of the North Celtic Sea and Fastnet Basins. (In:Northwest European Micropalaeontology and Palynology.D.J. Batten and M.C. Keen, editors) |
1989 |
| details |
Middle Bathonian |
Late Bathonian |
England(Dorset) |
Ainsworth,N.R. et al. A proposed Latest Triassic to Earliest Cretaceous microfossil biozonation for the English Channel and its adjacent areas. (In: The development, evolution and petroleum geology of the Wessex Basin. J.R.Underhill, editor) |
1998 |