| original |
Silurian |
|
USSR(Baltic) |
Eisenack,A. New microfossils of the Baltic Silurian. IV. |
1938 |
| details |
Nd |
|
Nd |
Eisenack,A. Chitinozoans, Hystrichospheres and other microfossils from the Beyrichia-Limestone. |
1955 |
| details |
Silurian |
|
Romania |
Beju,D. et al. Silurian chitinozoans from the Moldavian Platform and the Moesic Platform |
1962 |
| details |
Middle Eifelian |
|
W.Germany(Rhineland) |
Pichler,R. Microfossils from the Devonian of the Southern Eifel Basin. (Contributions relating to the type sections at Wetteldorf Andschoenecken, No.12). |
1971 |