| details |
Late Cambrian |
|
USSR(Estonian SSR) |
Eisenack,A. On Hystrichospheres and other microffossils of the Baltic Silurian and Cambrian |
1951 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Famennian |
|
Belgium |
Caro-Moniez,M. On an Upper Devonian horizon of spores of the Bore of Tournai (Belgium). |
1962 |
| original |
Late Givetian |
|
W.Germany(Bavaria) |
Sannemann,D. Hystrichospheres of the Silurian and Middle Devonian of the Frankenwald and their finestructure |
1955 |
| original |
Late Givetian |
|
W.Germany(Bavaria) |
Sannemann,D. Hystrichospheres of the Silurian and Middle Devonian of the Frankenwald and their finestructure |
1955 |
| details |
Ordovician |
|
W.Germany(Rhineland) |
Eisenack,A. Chitinozoans and Hystrichospheres in the Ordovician of the Rhine Schiefergebirge. |
1939 |
| details |
Tremadocian |
|
England(Shropshire) |
Downie,C. An assemblage of microplankton from the Shineton Shale (Tremadocian) |
1958 |
| details |
Late Ordovician |
|
Wales |
Lewis,H.P. The microfossils of the Upper Caradocian Phosphate deposits of Montgomeryshire, North Wales |
1940 |
| details |
Early Oligocene |
|
Poland |
Eisenack,A. Microfossils from the Lower Oligocene phosphorites of Samland and concerning the uniformity of Hystrichospheres. |
1954 |
| details |
Early Oligocene |
|
Poland |
Eisenack,A. Microfossils from the Lower Oligocene phosphorites of Samland and concerning the uniformity of Hystrichospheres. |
1954 |
| details |
Late Ordovician |
|
USSR(Lithuanian SSR) |
Bagdasaryan,L.L. Phytoplankton from the lower oil bearing formations of the Baltic States. |
1969 |
| details |
Jurassic |
|
USSR(Ukrainian SSR) |
Isagulova,Y.Z. Hystrichosphaeridaceae in Jurassic sediments in the l'Vov-Volhynia Coal Field. |
1963 |
| original |
Desmoinesian |
|
Oklahoma |
Davis,P.N. Palynology of the Rowe Coal (Pennsylvanian) of Oklahoma |
1961 |
| details |
Late Givetian |
|
W.Germany(Bavaria) |
Le H©riss©,A. et al. The Mazuelloids from the Silurian of Vendee (France), a group still enigmatical. |
1991 |
| details |
Nd |
|
Nd |
Eisenack,A. The Construction of the walls of the dinoflagellates. |
1939 |
| details |
Silurian |
|
Baltic |
Deflandre,G. Groups Incertae Sedis.Hystrichospheres. chitinozoans. |
1952 |
| details |
Ypresian |
|
Belgium |
Pastiels,A. Contribution to the study of microfossils of the Belgian Eocene. |
1948 |