| original |
Pliocene |
|
W.Germany(Baden) |
Wolff,H. Microfossils of the Pliocene Brown Coal from the Freigericht Mine near Dettingenam and comparison with older layers of the Tertiary as Sowie as post-Tertiary deposits. |
1934 |
| original |
Miocene |
|
W.Germany(N.Rhine) |
Potonie,R. et al. Microbotany of Miocene Brown Coal from the Niederrheinische Bucht |
1934 |
| details |
Miocene |
|
Germany(Rhineland) |
Potonie,R. et al. On the nomenclature and classification of the Neogene sporomorphs (Pollen and spores). on the geology of the Rhine Valle Brown Coal. 1. |
1950 |
| details |
Tertiary |
|
Europe |
Krutzsch,W. Observations of the nomenclature and classifica Tion of Tertiary spores and pollen |
1954 |
| details |
Miocene |
|
France |
Sittler,C. Palynological stratigraphy of the Miocene in France. Pollen analysis of various layers. |
1958 |
| 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 Tertiary |
Danian |
Romania |
Givulescu,R. Fossil flora of Roumania. Second Supplement, Second Part. |
1974 |
| details |
Late Pliocene |
|
Belgium |
Vanhoorne,R.E. The Lignites of Mol (Belgium). |
1974 |