| details |
Hauterivian |
Barremian |
W.Germany(Niedersachsen) |
Keupp,H. Lower Cretaceous Calcisphaerulidae and their relationship to calcareous dinoflagellate cysts. |
1979 |
| original |
Early Barremian |
|
W.Germany(Niedersachsen) |
Keupp,H. Calciodinelloidea from the Blatterton facies of the northwest Germany Lower Barremian. (In: The Blatterton-Facies of the North-West German Lower Cretaceous -Part 1 ) |
1979 |
| details |
Early Hauterivian |
Late Barremian |
W.Germany(Niedersachsen) |
Keupp,H. Calcareous dinoflagellate cysts of the Boreal Lower Cretaceous, (Lower Hauterivian to Lower Albian). |
1981 |
| details |
Early Hauterivian |
Early Barremian |
England(Yorkshire) |
Keupp,H. Calcareous dinoflagellate cysts of the Boreal Lower Cretaceous, (Lower Hauterivian to Lower Albian). |
1981 |
| details |
Nd |
|
Nd |
Bujak,J.P. et al. Modern and fossil Peridiniineae. |
1983 |
| details |
Early Hauterivian |
|
England(Yorkshire) |
Keupp,H. et al. Vertical distribution of organisms in the D-Beds of Speeton (Lower Cretaceous, England) considering the calcareous dinoflagellate cysts. |
1984 |
| details |
Early Hauterivian |
|
W.Germany(Niedersachsen) |
Keupp,H. Calcareous dinoflagellate cysts from the Early Hauterivian from Beckens, Central Nidersachsichen. |
1988 |
| details |
Early Aptian |
|
Germany(Niedersachsen) |
Keupp,H. et al. Calcareous phytoplankton from the Barremian/Aptian boundary interval in northwest Germany. |
1994 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |