| details |
Late Eocene |
Early Oligocene |
Alaska |
McLean,H. et al. Paleogene geology and chronology of southwestern Umnak Island, Aleutian Islands, Alaska. |
1984 |
| details |
Oligocene |
|
Alaska |
Turner,R.F. Paleontology and biostratigraphy. (In: Geological and Operational Summary Norton Sound Cost No.2 Well Norton Sound, Alaska. R.F.Turner, editor) |
1983 |
| details |
Late Pleistocene |
|
Alaska |
Olson,D.L. et al. Biostratigraphy. (In: Geological and Operational Summary Norton Sound Cost No.2 Well Norton Sound, Alaska. R.F.Turner, editor) |
1987 |
| details |
Eocene |
|
Alaska |
Frederiksen,N.O. et al. Distribution, paleoecology, paleoclimatology, and botanical affinity of the Eocene pollen genus Diporoconia, n.gen. |
1985 |
| details |
Late Paleocene |
|
Alabama |
Carroll,R.E. Morphology and distribution of Bagelopollis verrucatus, (Frederiksen 1988), gen.et comb.nov., from the Lower Tertiary Coastal Plain deposits of the southeastern, USA. |
1999 |