| details |
Middle Eocene |
Late Pliocene |
E.Germany |
Kirchheimer,F. Comments in regard to the botanical classification of pollen of the Browncoal Layers. |
1938 |
| details |
Paleocene |
Early Miocene |
Germany |
Thiergart,F. Pollen analysis of the Service of Brown Coal research. |
1940 |
| details |
Nd |
|
Nd |
Thiergart,F. Pollen analysis of the Service of Brown Coal research. |
1940 |
| details |
Late Cretaceous |
Paleocene |
Germany |
Thiergart,F. Micropaleontological information. 1. Dicotyledonous pollen of the Late Mesozoic and its systematic position |
1942 |
| details |
Tertiary |
|
USA |
Wilson,L.R. Spores and pollen as microfossils. |
1944 |
| details |
Eocene |
|
Colorado |
Wilson,L.R. Spores and pollen as microfossils. |
1944 |
| details |
Late Cretaceous |
Paleocene |
W.Germany(Niedersachsen) |
Thiergart,F. The stratigraphic value of Mesozoic pollen and spores |
1949 |
| details |
Oligocene |
|
USSR(Caucasus) |
Chiguryaeva,A.A. Contributions to the Oligocene flora of the Maykop Formation, Caucasus (spores and pollen). |
1951 |
| details |
Late Oligocene |
|
USSR(Kazakh SSR) |
Boytsova,E.P. et al. Contributions to the stratigraphy of Continental Oligocene and Miocene deposits of the Turgay Depression. |
1954 |
| details |
Late Oligocene |
|
USSR(Kazakh SSR) |
Boytsova,E.P. et al. Data on stratigraphy of continental Oligocene and Miocene formations of Turgai Depression. |
1954 |
| details |
Eocene |
Early Oligocene |
USSR(Kazakh SSR) |
Chiguryaeva,A.A. On the discovery of a microspore of Welwitschia in Eocene Beds in Kazakhstan |
1954 |
| details |
Middle Miocene |
Late Miocene |
Yugoslavia |
Veen,F.R.Van Palynological investigations of Brown Coal deposits at Breza and Tusnica. |
1954 |
| details |
Middle Miocene |
Late Miocene |
Oregon |
Gray,J. Miocene pollen floras from Oregon. |
1956 |
| details |
Eocene |
Paleocene |
Australia |
Cookson,I.C. Pollen grains of the Ephedra type in Australian Tertiary deposits |
1956 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Nd |
|
Nd |
Lakhanpal,R.N. Palynology and taxonomy. |
1958 |
| details |
Miocene |
|
France |
Sittler,C. Palynological stratigraphy of the Miocene in France. Pollen analysis of various layers. |
1958 |