| original |
Cenomanian |
|
Spain |
Sol© de Porta,N. Palynology of two Cenomanian sections near Oviedo, Spain. |
1978 |
| original |
Maastrichtian |
|
New Jersey |
Waanders,G.L. Palynology of the Monmouth Group (Maestrichtian) from Monmouth County, New Jersey, USA. |
1974 |
| original |
Late Cretaceous |
|
Colorado |
Gies,T.F. Palynology of sediments boardering some Upper Cretaceous strand lines in Northwestern Colorado. |
1972 |
| original |
Early Pleistocene |
|
Colombia |
Hammen,T.Van Der et al. Palynological record of the Upheaval of the northern Andes |
1973 |
| original |
Early Miocene |
Middle Miocene |
California |
Barnett,J. Palynology and paleoecology of the Tertiary Weaverville Formation, Northwestern California, USA. |
1989 |