| details |
Middle Eocene |
Early Oligocene |
Alabama |
Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. |
1980 |
| details |
Eocene |
Oligocene |
South Carolina |
Frederiksen,N.O. Paleogene sporomorphs from South Carolina and quantitative correlations with the Gulf Coast. |
1980 |
| details |
Jackson |
|
USA(Gulf of Mexico) |
Frederiksen,N.O. Affinities of Late Eocene spores and pollen grains from southeastern North America. |
1977 |
| 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 |
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 |
Middle Eocene |
Miocene |
Europe |
Krutzsch,W. Atlas of the Middle and Upper Tertiary dispersed spores and pollen as well as the mikroplankton forms of northern central Europe. VII: Monoporate, monocolpate, longicolpate dicolpate an dephedroide (polyplicate) pollen forms. |
1970 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(WSL) |
Shakhmundes,V.A. New Ephedra L.Species of Paleogene deposits in North Western Siberia |
1965 |