| details |
Ordovician |
|
USSR(Estonian SSR) |
Eisenack,A. Microfossils of the Ordovician from the Baltic area.1. |
1958 |
| details |
Arenigian |
|
USSR(Estonian SSR) |
Eisenack,A. New types of Baltic Silurian Hystrichospheres and new species. |
1959 |
| details |
Early Ordovician |
|
Sweden |
Eisenack,A. New types of Baltic Silurian Hystrichospheres and new species. |
1959 |
| details |
Wenlockian |
|
England(Shropshire) |
Downie,C. Hystrichospheres from the Silurian Wenlock Shale of England. |
1959 |
| original |
Wenlockian |
|
England(Shropshire) |
Downie,C. Hystrichospheres from the Silurian Wenlock Shale of England. |
1959 |
| original |
Wenlockian |
|
England(Shropshire) |
Downie,C. Hystrichospheres from the Silurian Wenlock Shale of England. |
1959 |
| details |
Arenigian |
|
USSR(Estonian SSR) |
Eisenack,A. New types of Baltic Silurian Hystrichospheres and new species. |
1959 |
| details |
Early Gothlandian |
|
USSR(Baltic) |
Eisenack,A. New types of Baltic Silurian Hystrichospheres and new species. |
1959 |
| details |
Silurian |
|
France(Herault) |
Downie,C. Hystrichospheres from the Silurian Wenlock Shale of England. |
1959 |
| details |
Frasnian |
|
Belgium |
Stockmans,F. et al. Hystrichospheres of the Belgian Devonian (Drilling at the Asylum for the Demented at Tournai). |
1960 |
| original |
Ordovician |
|
Baltic |
Eisenack,A. Hystrichospheres as Food of Ordovician Foraminifera. |
1961 |
| details |
Valentian |
|
Algeria |
Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara |
1961 |
| details |
Arenigian |
|
Algeria |
Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara |
1961 |
| details |
Ordovician |
|
Baltic |
Eisenack,A. Microfossils from the Baltic Ordovician. 2: Vaginatenkalk to Lyckholmer Stufe. |
1962 |
| details |
Frasnian |
|
Belgium |
Stockmans,F. et al. Hystrichospheres of the Belgian Devonian (Wepion Drilling). |
1962 |
| details |
Silurian |
|
England |
Stockmans,F. et al. Hystrichospheres of the Belgian Devonian (Wepion Drilling). |
1962 |
| details |
Early Gedinnian |
|
Spain |
Cramer,F.H. A provisional note on the occurrence of microplankton and sporomorphs in the sedimentary rocks of the Lower Devonia in the Cantabrian Mountains |
1963 |