| original |
Late Aptian |
Early Albian |
W.Germany(Niedersachsen) |
Davey,R.J. The distribution of palynomorphs in the Late Aptian and across the Apto-Albian boundary in North-West Germany |
1982 |
| original |
Middle Albian |
|
Arctic Ocean |
…rhus,N. Dinoflagellate cyst stratigraphy of some Aptian and sections from North Greenland, southeastern Spitsbergen and the Barents Sea. |
1991 |
| original |
Late Aptian |
Late Cretaceous |
North Sea |
Costa,L.I. et al. Dinoflagellate cysts of the Cretaceous System. (In: A Stratigraphic Index of Dinoflagellate Cysts. A.J.Powell, editor) |
1992 |
| original |
Nd |
|
Nd |
Nиhr-Hansen,H. Dinoflagellate cyst stratigraphy of the Barremian to Albian, Lower Cretaceous, Northeast Greenland. |
1993 |