| original |
Claiborne |
|
Tennessee |
Elsik,W.C. et al. Palynology and age of clays exposed in Lawrence Clay Pit, Henry County, Tennessee. |
1974 |
| details |
Middle Eocene |
|
USA(Gulf of Mexico) |
Elsik,W.C. Characteristic Eocene palynomorphs in the Gulf Coast, USA. |
1974 |
| details |
Nd |
|
Nd |
Elsik,W.C. Characteristic Eocene palynomorphs in the Gulf Coast, USA. |
1974 |
| details |
Claiborne |
|
USA(Gulf Coast) |
Frederiksen,N.O. Sporomorph biostratigraphy, floral changes, and paleoclimatology, Eocene and Earliest Oligocene of the eastern Gulf Coast. |
1988 |
| details |
Bartonian |
|
Texas |
Elsik,W.C. et al. Palynomorph biozones in the context of changing paleoclimate, Middle Eocene to Lower Oligocene of the northwest Gulf of Mexico. |
2000 |