| details |
Early Ordovician |
Middle Ordovician |
Sweden |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Tremadocian |
Ludlovian |
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Llanvirnian |
Llandeilian |
England(Cumberland) |
Wadge,A.J. et al. A probable Didymograptus murchisoni zone fauna from the Lake District. |
1969 |
| details |
Early Ordovician |
Late Ordovician |
USSR(Estonian SSR) |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Early Ordovician |
Late Gothlandian |
Europe |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Ordovician |
|
Ireland |
Smith,D.G. Progress in Irish Lower Palaeozoic palynology. |
1981 |
| details |
Early Paleozoic |
|
Turkey |
Sinanoglu,E. Chitinozoa. |
1978 |
| details |
Ordovician |
|
Baltic |
Eisenack,A. Microfossils from the Baltic Ordovician. 2: Vaginatenkalk to Lyckholmer Stufe. |
1962 |
| details |
Llanvirnian |
|
S.Ireland(Westmeath) |
Morris,J.H. The stratigraphy of the Lower Paleozoic rocks in the western end of the Longford Down Inlier, Ireland. |
1983 |
| original |
Silurian |
|
Baltic |
Eisenack,A. Neotypes of Baltic Silurian chitinozoan and new species. |
1962 |
| details |
Silurian |
|
E.Germany(Karl Marx) |
Behr,H.J. et al. A Palaeontological Proof for the age of the Crystalline in Erzgebirge-Chitinozoans in the Phyllite from Hermsdorf-Rehefeld |
1965 |
| details |
Llandeilian |
|
France(Aquitaine) |
Taugourdeau,P. Silurian chitinozoans from Aquitaine. |
1961 |
| details |
Silurian |
|
Czechoslovakia |
Eisenack,A. New microfossils of the Baltic Silurian and new microfossils of the Bohemian Silurian.3. |
1934 |
| original |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |
| details |
Ordovician |
|
E.Germany(Potsdam) |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Caradocian |
|
Finland |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Caradocian |
|
Europe |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |