| original |
Hauterivian |
|
North Sea |
Bailey,D.A. et al. Oligosphaeridium Junctum sp.nov.a Hauterivian dinoflagellate cyst from the North Sea |
1997 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Early Hauterivian |
|
England(Yorkshire) |
Davey,R.J. A summary of the palynology of the lower Hauterivian (Lower Cretaceous) from Speeton, east England. |
2001 |
| details |
Early Hauterivian |
|
North Sea |
Duxbury,S. A palynological zonation scheme for the Lower Cretaceous: United Kingdom Sector, Central North Sea. |
2001 |