| original |
Oligocene |
Miocene |
Canada(British Columbia) |
Piel,K.M. Miocene palynological assemblages from Central British Columbia. |
1977 |
| original |
Early Pliocene |
|
Canada(Arctic) |
Aksu,A.E. et al. Upper Cenozoic history of the Labrador Sea, Baffin Bay and Arctic Ocean; a paleoclimatic and paleoceanographic summary. |
1988 |
| original |
Early Pliocene |
Middle Pliocene |
Canada(Arctic) |
Aksu,A.E. et al. Magnetostratigraphy and palynology Demonstrate at Least 4 Million years of Arctic sedimentation |
1985 |
| original |
Lutetian |
Bartonian |
California |
Frederiksen,N.O. et al. Middle Eocene palynomorphs from San Diego, California;Part I:Introduction, spores and Gymnosperm pollen. |
1983 |
| original |
Early Pliocene |
|
Arctic Ocean |
Mudie,P.J. et al. Neogene to recent palynostratigraphy of Circum-Arctic Basins;Results of ODP Leg 104, Norwegian Sea, Leg 105, Baffin Bay, and DSDP Site 611, Irminger Sea. (In: Geological History of the Polar Oceans: Arctic Versus Antarctic. U. Bleil and J.Thiede, editor) |
1990 |