| original |
Late Eocene |
Middle Miocene |
Germany(Hesse) |
Pflanzl,G. The age of Brown Coal of the Meissner Mountain, the Seams 2 and 3 of the Hirschberg and a neighbouring coalseam near Laudenbach. |
1956 |
| details |
Late Eocene |
|
Mississippi |
Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. |
1980 |
| details |
Late Eocene |
Middle Miocene |
Germany(Hesse) |
Davies,E.H. The Anemiacean, Schizaeacean and related spores. An index to genera and species. |
1985 |