| original |
Miocene |
|
W.Germany(N.Rhine) |
Potonie,R. On the microscopy of Browncoal.Tertiary spore and pollen forms: Part 4. |
1931 |
| details |
Late Eocene |
|
Mississippi |
Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. |
1980 |
| details |
Miocene |
|
W.Germany(N.Rhine) |
Thomson,P.W. et al. Pollen and spores of the Middle European Tertiary. |
1953 |
| details |
Middle Pliocene |
Late Pliocene |
W.Germany(Hesse) |
Thomson,P.W. et al. Pollen and spores of the Middle European Tertiary. |
1953 |
| details |
Maestrichtian |
|
Mexico(Coahuila) |
Rueda-Gaxiola,J. Contribution to the palynologic and petrographic study of the Cretaceous Coal of the Sabina Basin, Coahuila, Mexico |
1967 |
| details |
Early Miocene |
Middle Miocene |
Poland |
Ziembinska-Tworzydlo,M. Palynological characteristics of the Neogene of Western Poland. |
1974 |
| details |
Middle Eocene |
Late Pliocene |
W.Germany |
Kirchheimer,F. Comments in regard to the botanical classification of pollen of the Browncoal Layers. |
1938 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Miocene |
|
W.Germany(N.Rhine) |
Potonie,R. et al. Microbotany of Miocene Brown Coal from the Niederrheinische Bucht |
1934 |
| details |
Miocene |
|
W.Germany(N.Rhine) |
Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. |
1980 |