| original |
Middle Albian |
|
France(Boulonnais) |
Keupp,H. Dinoflagellate cysts from the Middle Albian to Early Cenomanian of Escalles/Boulonnais (Northern France) |
1987 |
| original |
Middle Albian |
|
France(Pas-de-Calais) |
Keupp,H. Dinoflagellate cysts from the Middle Albian to Early Cenomanian of Escalles/Boulonnais (Northern France) |
1987 |
| details |
Middle Albian |
|
England(Kent) |
Keupp,H. et al. Problems with the systematics of calcareous dinoflagellate cysts based on morphologically defined taxa. |
1991 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |