| details |
Santonian |
|
Texas |
Srivastava,S.K. Dinocyst biostratigraphy of Santonian-Maestrichtian Formations of the western Gulf Coastal Plain, South United States. |
1995 |
| details |
Pliensbachian |
|
England(Dorset) |
Cole,D.C. et al. Use of palynofacies analysis to define Lower Jurassic (Sinemurian to Pliensbachian) genetic stratigraphic sequences in the Wessex Basin, England. (In: The development, evolution and petroleum geology of the Wessex Basin. J.R.Underhill, editor) |
1998 |
| details |
Hettangian |
Early Sinemurian |
Europe |
Schootbrugge,van de,B. et al. Early Jurassic climate change and the radiation of organic - walled phytoplankton in the Tethys Ocean |
2005 |