| details |
Middle Eocene |
|
Colorado |
Bradley,W.H. Origin and microfossils of the oil shales of the Green River Formation of Colorado and Utah. |
1931 |
| details |
Middle Eocene |
|
Utah |
Bradley,W.H. Origin and microfossils of the oil shales of the Green River Formation of Colorado and Utah. |
1931 |
| details |
Late Pliocene |
|
W.Germany(Hesse) |
Kirchheimer,F. On the Wetterau main Browncoal Seam |
1933 |
| details |
Tertiary |
|
Scotland(Argyll) |
Simpson,J.B. Fossil pollen in Scottish Tertiary Coals. |
1936 |
| details |
Late Neogene |
|
E.Germany(Halle) |
Kirchheimer,F. Outline of the botany of the German Brown Coals |
1937 |
| details |
Late Tertiary |
|
Germany(Schleswig) |
Thomson,P.W. Contribution to the micropaleontology and history of Late Tertiary Forests of Niedersachsen and Schleswig-Holstein |
1948 |
| original |
Miocene |
|
Poland |
Kremp,G.O.W. Pollen analysis of the Miocene Brown Coal Bed of Konin on the Warthe River. |
1949 |
| details |
Late Pliocene |
|
Netherlands |
Florschutz,F. et al. The paleobotanical boundary Pliocene-Pleistocene in the Netherlands |
1950 |
| details |
Oligocene |
|
USSR(Caucasus) |
Chiguryaeva,A.A. Contributions to the Oligocene flora of the Maykop Formation, Caucasus (spores and pollen). |
1951 |
| details |
Late Pliocene |
|
W.Germany(Hesse) |
Leschik,G. Microbotanic stratigraphic studies of the Upper Pliocene Browncoal from Buchenau (Hunfeld County). |
1951 |
| details |
Late Oligocene |
|
USSR(Kazakh SSR) |
Barbashinova,V.N. Micropaleobotanical remains in Mesozoic and Cenozoic deposits of Turgay. |
1951 |
| details |
Early Miocene |
Middle Miocene |
Japan(Shimane Pref.) |
Katto,J. et al. Stratigraphical and palynological studies of the Shimane Coal Field |
1952 |
| original |
Tertiary |
|
USSR(Caucasus) |
Gladkova,A.N. Flora of Maikop deposits of northern Caucasus from data of spore-pollen analysis. (In: Palaeobotanical Symposium) |
1953 |
| details |
Early Pliocene |
Middle Pliocene |
Japan(Kochi Pref.) |
Katto,J. et al. Stratigraphical and paleontological studies of the Tonohama Group, Kochi Prefecture, Japan. |
1953 |
| details |
Early Eocene |
|
USSR(Pavlodarskaya) |
Zaklinskaya,E.D. Material on the history of the flora and vegetation of the Paleogene of northern Kazakhstan in the area of Pavlodar Pr-Irtish. |
1953 |
| details |
Early Oligocene |
|
USSR(Pavlodarskaya) |
Zaklinskaya,E.D. Material on the history of the flora and vegetation of the Paleogene of northern Kazakhstan in the area of Pavlodar Pr-Irtish. |
1953 |
| details |
Oligocene |
|
USSR(Pavlodarskaya) |
Zaklinskaya,E.D. Material on the history of the flora and vegetation of the Paleogene of northern Kazakhstan in the area of Pavlodar Pr-Irtish. |
1953 |