| details |
Middle Kimmeridgian |
Late Kimmeridgian |
England |
Sarjeant,W.A.S. The dinoflagellate cysts of the Gonyaulacysta Group: A morphological and taxomomic restudy. |
1982 |
| details |
Oxfordian |
|
Northern Hemisphere |
Stancliffe,R.P.W. et al. Oxfordian dinoflagellate cysts and provincialism. |
1988 |
| details |
Oxfordian |
|
Gondwanaland |
Stancliffe,R.P.W. et al. Oxfordian dinoflagellate cysts and provincialism. |
1988 |
| details |
Oxfordian |
|
Europe |
Stancliffe,R.P.W. et al. Oxfordian dinoflagellate cysts and provincialism. |
1988 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |