original |
Albian |
Cenomanian |
Atlantic Ocean |
Hochuli,P.A. et al. Palynology of Middle Cretaceous Black Clay facies from Deep Sea Drilling Project Sites 417 and 418 of the Western North Atlantic. |
1980 |
original |
Middle Ypresian |
Bartonian |
Atlantic Ocean |
Damassa,S.P. et al. Correlation of Paleogene dinoflagellate assemblages to standard Nannofossil Zonation in North Atlantic DSDP Sites. |
1990 |
original |
Late Eocene |
Early Oligocene |
Atlantic(Greenland Sea) |
Firth,J.V. Upper Middle Eocene to Oligocene dinoflagellate biostratigraphy and assemblage variations in Hole 913B, Greenland Sea |
1996 |