| original |
Maastrichtian |
|
Texas |
Zaitzeff,J.B. Taxonomic and stratigraphic significance of dinoflagellates and acritarchs of the Navarro Group, (Maestrichtian), from eastcentral and southwest Texas. |
1967 |
| original |
Oligocene |
|
Atlantic(Norwegian Sea) |
Manum,S.B. et al. Eocene to Miocene palynology of the Norwegian Sea (ODP Leg 104) |
1989 |
| original |
Maestrichtian |
|
Italy |
Roncaglia,L. et al. Upper Campanian to Maastrichtian dinoflagellate zonation in the northern Appennines, Italy |
1997 |
| original |
Early Maestrichtian |
|
Arctic Ocean |
Firth,J.V. et al. An Early Maestrichtian organic-walled phytoplankton cyst assemblage from an organic-rich Black Mud in core Fl-533, Alpha Ridge: Evidence for upwelling conditions in the Cretaceous Arctic Ocean |
1998 |