| details |
Campanian |
Maastrichtian |
Kansas |
Lammons,J.M. The palynology and paleoecology of the Pierre Shale, (Campanian - Maestrichtian), of northwestern Kansas and Environs. |
1969 |
| details |
Oligocene |
|
USSR(Primorsk Kray) |
Bolotnikova,M.D. Spore and pollen assemblages from Tertiary deposits of the Western Shore of the Japanese Sea. |
1979 |
| original |
Late Oligocene |
|
Vermont |
Traverse,A. Pollen analysis of the Brandon Lignite of Vermont. |
1955 |
| details |
Oligocene |
|
USSR(Kazakh SSR) |
Kupriyanova,L.A. Palynological data contributing to the history of Liquidambar |
1960 |
| details |
Early Miocene |
|
Vermont |
Traverse,A. Palynofloral geochronology of the Brandon Lignite of Vermont, USA. |
1994 |