| details |
Early Chattian |
Rupelian |
North Sea |
Gradstein,F.M. et al. Cainozoic biostratigraphy and palaeobathymetry, northern North and Haltenbanken |
1996 |
| details |
Chattian |
|
W.Germany(N.Rhine) |
Benedek,P.N. Phytoplankton from the type Chattian (Upper Oligocene) |
1975 |
| details |
Chattian |
Aquitanian |
Italy |
Powell,A.J. Latest Palaeogene and Earliest Neogene dinoflagellate cysts from the Lemme section, Northwest Italy |
1986 |
| details |
Chattian |
Aquitanian |
England |
Powell,A.J. A preliminary investigation into the Neogene dinoflagellate cyst biostratigraphy of the British southwestern approaches. |
1988 |
| details |
Chattian |
|
Egypt |
Mahmoud,M.S. Palynology of Middle Cretaceous-Tertiary sequence of Mersa Matr Well, northern Western Desert, Egypt |
1998 |