| original |
Ordovician |
|
Baltic |
Eisenack,A. Neotypes of Baltic Silurian chitinozoans and new species. |
1959 |
| original |
Ordovician |
|
Baltic |
Eisenack,A. Neotypes of Baltic Silurian chitinozoans and new species. |
1959 |
| original |
Ordovician |
|
Baltic |
Eisenack,A. Neotypes of Baltic Silurian chitinozoans and new species. |
1959 |
| details |
Middle Gothlandian |
|
Illinois |
Collinson,C. et al. North American Paleozoic Chitinozoa |
1955 |
| details |
Ordovician |
|
Baltic |
Collinson,C. et al. North American Paleozoic Chitinozoa |
1955 |
| details |
Ordovician |
|
W.Germany |
Collinson,C. et al. North American Paleozoic Chitinozoa |
1955 |
| details |
Ordovician |
|
W.Germany(Rhineland) |
Eisenack,A. Chitinozoans and Hystrichospheres in the Ordovician of the Rhine Schiefergebirge. |
1939 |
| details |
Silurian |
|
USSR(Baltic) |
Eisenack,A. New microfossils of the Baltic Silurian. IV. |
1938 |
| details |
Pridolian |
|
Baltic Sea |
Eisenack,A. New microfossils of the Baltic Silurian.2. |
1932 |
| original |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |