| original |
Oligocene |
|
Canada(Arctic) |
McNeil,D.H. et al. Geology and biostratigraphy of the Dome Gulf et al.Ukalerk C-50 Well, Beaufort Sea |
1982 |
| details |
Eocene |
|
Canada(Arctic) |
Miall,A.D. Mesozoic and Tertiary geology of Banks Island, Arctic Canada. The history of an unstable craton margin. |
1979 |
| details |
Eocene |
|
Canada |
Boytsova,E.P. et al. Palynological method the basis of correlation of Paleogenic deposits of various facies in the USSR. |
1976 |
| details |
Miocene |
|
California |
Barnett,J. Palynology of the Weaverville Formation, Northwestern California |
1984 |
| details |
Early Miocene |
Middle Miocene |
California |
Barnett,J. Palynology and paleoecology of the Tertiary Weaverville Formation, Northwestern California, USA. |
1989 |
| details |
Pliocene |
Pleistocene |
California |
Jefferson,G.T. Paleontological resources management, Anza-Borrego Desert State Park. |
2001 |
| details |
Eocene |
|
Alaska |
Frederiksen,N.O. et al. Distribution, paleoecology, paleoclimatology, and botanical affinity of the Eocene pollen genus Diporoconia, n.gen. |
1985 |