| details |
Hauterivian |
Barremian |
W.Germany(Niedersachsen) |
Keupp,H. Lower Cretaceous Calcisphaerulidae and their relationship to calcareous dinoflagellate cysts. |
1979 |
| details |
Nd |
|
Nd |
Bujak,J.P. et al. Modern and fossil Peridiniineae. |
1983 |
| original |
Early Hauterivian |
|
W.Germany(Niedersachsen) |
Keupp,H. Alasphaera caudata, nov.gen et nov.sp., a new Calciodinelloidea from the Lower Cretaceous, (Hautervian), of northwest Germany. |
1979 |
| details |
Early Hauterivian |
|
W.Germany(Niedersachsen) |
Keupp,H. Calcareous dinoflagellate cysts of the Boreal Lower Cretaceous, (Lower Hauterivian to Lower Albian). |
1981 |
| details |
Early Hauterivian |
|
England(Yorkshire) |
Keupp,H. Calcareous dinoflagellate cysts of the Boreal Lower Cretaceous, (Lower Hauterivian to Lower Albian). |
1981 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |