| details |
Ordovician |
|
Czechoslovakia |
Eisenack,A. Microfossils from Flintstones of the Ordovician in Bohemia. |
1948 |
| details |
Silurian |
|
USSR(Estonian SSR) |
Eisenack,A. On Hystrichospheres and other microffossils of the Baltic Silurian and Cambrian |
1951 |
| details |
Late Cambrian |
|
USSR(Estonian SSR) |
Eisenack,A. On Hystrichospheres and other microffossils of the Baltic Silurian and Cambrian |
1951 |
| details |
Early Paleozoic |
|
Germany |
Eisenack,A. The age determination of Flint Pebbles by microfossils |
1953 |
| details |
Middle Clintonian |
Late Clintonian |
New York |
Fisher,J.C. The Hystrichosphaerids in the Clinton Group, (Silurian), of New York State. |
1955 |
| details |
Early Ordovician |
|
Sweden |
Regnell,G. Leiosphaera, (Hystrichosphaeridium), of Lower Ordovician Limestone in Southern Schonen, Sweden. |
1955 |
| details |
Middle Devonian |
|
W.Germany(Rhineland) |
Eisenack,A. Problems of the spreading and distribution of the genus Leiosphaera (Hystrichosphaeridea). |
1956 |
| details |
Late Devonian |
|
Canada(Yukon) |
McGregor,D.C. Spores and other plant microfossils from selected Devonian sedimentary Formations of Canada |
1957 |
| details |
Middle Devonian |
|
Canada(Ontario) |
McGregor,D.C. Spores and other plant microfossils from selected Devonian sedimentary Formations of Canada |
1957 |
| details |
Middle Devonian |
Late Devonian |
Canada(Ontario) |
McGregor,D.C. Spores and other plant microfossils from selected Devonian sedimentary Formations of Canada |
1957 |
| details |
Silurian |
Middle Devonian |
France(Vosges) |
Doubinger,J. et al. Discovery of a chitinozoan fauna of Devonian age from Treh, (Markstein Region, Southern Vosges). |
1963 |
| details |
Cambrian |
|
E.Germany |
Burmann,G. Proof of microplankton in areas of tectonic Stress. |
1965 |
| details |
Nd |
|
Nd |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Late Ordovician |
|
Oklahoma |
Cramer,F.H. Silurian palynologic microfossils and paleolatitudes. |
1968 |
| details |
Silurian |
|
Finland |
Cramer,F.H. Silurian palynologic microfossils and paleolatitudes. |
1968 |
| details |
Liassic |
|
W.Germany(Niedersachsen) |
M¤dler,K.A. Tasmanites and related planktonic organisms from the Posidonian Shales. |
1969 |
| details |
Callovian |
|
USSR(Arkhangelsk Oblast) |
Evseyeva,G.V. Vegetation of North Siberia and the northeast of the European part of the USSR in the Callovian. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) |
1971 |