| 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 |
| original |
Early Sinemurian |
|
England(Lincolnshire) |
Wall,D. Microplankton, pollen, and spores from the Lower Jurassic in Britain |
1965 |
| details |
Early Sinemurian |
|
England(Lincolnshire) |
Wall,D. Microplankton, pollen, and spores from the Lower Jurassic in Britain |
1965 |
| details |
Early Jurassic |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| original |
Carixian |
Early Domerian |
England(Dorset) |
Wall,D. Microplankton, pollen, and spores from the Lower Jurassic in Britain |
1965 |
| original |
Carixian |
Early Domerian |
England(Yorkshire) |
Wall,D. Microplankton, pollen, and spores from the Lower Jurassic in Britain |
1965 |