| details |
Lutetian |
Bartonian |
California |
Frederiksen,N.O. et al. Middle Eocene palynomorphs from San Diego, California;Part I:Introduction, spores and Gymnosperm pollen. |
1983 |
| details |
Middle Eocene |
|
California |
Frederiksen,N.O. Sporomorph zonation of the Eocene of Southern California |
1985 |
| details |
Claiborne |
Early Vicksburg |
USA(Gulf Coast) |
Frederiksen,N.O. Sporomorph biostratigraphy, floral changes, and paleoclimatology, Eocene and Earliest Oligocene of the eastern Gulf Coast. |
1988 |
| details |
Late Eocene |
|
USSR(Yamalo-Nenets) |
Lyubomirova,K.A. The palynological characteristics of the Chegansk horizon of North West Siberia. (In: Palynological Studies. Collected Articles. S.R.Samoilovich, editor) |
1976 |
| details |
Lutetian |
Priabonian |
California |
Frederiksen,N.O. Eocene sporomorph biostratigraphy of Southern California |
1989 |
| details |
Early Miocene |
|
USSR(Tadzhik SSR) |
Penkova,A.M. The distribution of the pollen of Ephedra in the Upper Paleogene and Neogene deposits of the South-Western Tadjikistan. |
1973 |
| details |
Tortonian |
|
Louisiana |
Wrenn,J.H. et al. Palynologic age determination of the Catahoula Formation, Big Creek, Sicily Island, Louisiana. |
2003 |