| details |
Ypresian |
|
Belgium |
Sarjeant,W.A.S. A restudy of Pastiels' (1948) dinoflagellate cysts from the Early Eocene of Belgium. |
1986 |
| details |
Ypresian |
|
Belgium |
Pastiels,A. Contribution to the study of microfossils of the Belgian Eocene. |
1948 |
| details |
Tremadocian |
|
England(Shropshire) |
Downie,C. An assemblage of microplankton from the Shineton Shale (Tremadocian) |
1958 |
| details |
Silurian |
Early Devonian |
Czechoslovakia |
Klinec,A. et al. On the Old Paleozoic age of the Hron complex of Vesporides |
1975 |
| details |
Silurian |
|
USSR(Estonian SSR) |
Eisenack,A. On Hystrichospheres and other microffossils of the Baltic Silurian and Cambrian |
1951 |
| details |
Silurian |
|
Baltic |
Deflandre,G. Groups Incertae Sedis.Hystrichospheres. chitinozoans. |
1952 |
| details |
Silurian |
|
France(Vendee) |
Le H©riss©,A. et al. The Mazuelloids from the Silurian of Vendee (France), a group still enigmatical. |
1991 |
| details |
Ordovician |
|
W.Germany(N.Rhine) |
Kr¤usel,R. Are the Paleozoic Hystrichosphaeridiea cysts or plant spores? |
1939 |
| details |
Ordovician |
Silurian |
USSR(Yablonov Khrebet) |
Kozerenko,V.N. et al. New data on the Lower Paleozoic deposits of East Transbaikal |
1960 |
| details |
Ordovician |
|
W.Germany(Rhineland) |
Eisenack,A. Chitinozoans and Hystrichospheres in the Ordovician of the Rhine Schiefergebirge. |
1939 |
| details |
Ordovician |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Ordovician |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Oligocene |
|
Germany |
Gocht,H. Hystrichospheres and other microorganisms in Oligocene deposits of North and Central Germany. |
1952 |
| details |
Oligocene |
|
Germany |
Gocht,H. Hystrichospheres and other microorganisms in Oligocene deposits of North and Central Germany. |
1952 |
| details |
Nd |
|
Nd |
Obut,A.M. On the geographical distribution, comparative morphology, ecology, phylogeny, and the taxonomic position of chitinozoa. |
1973 |
| details |
Nd |
|
Nd |
Obut,A.M. On the geographical distribution, comparative morphology, ecology, phylogeny, and the taxonomic position of chitinozoa. |
1973 |
| details |
Nd |
|
Nd |
De Coninck,J. Organic walled microfossils of the Lower Ypresian of Quenast. |
1986 |