| original |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |
| details |
Silurian |
|
Czechoslovakia |
Eisenack,A. New microfossils of the Baltic Silurian and new microfossils of the Bohemian Silurian.3. |
1934 |
| details |
Late Gothlandian |
|
USSR(Baltic) |
Eisenack,A. New microfossils of the Baltic Silurian. IV. |
1938 |
| details |
Silurian |
|
France(Herault) |
Deflandre,G. On the microfossils of the Silurian Limestones from Black Mountain, the chitinozoans (Eisenack) |
1942 |
| details |
Silurian |
|
France(Herault) |
Deflandre,G. Microfossils from the Silurian Limestones of Montagne Noire. |
1944 |
| details |
Ordovician |
|
Czechoslovakia |
Eisenack,A. Microfossils from Flintstones of the Ordovician in Bohemia. |
1948 |
| details |
Ordovician |
Silurian |
Nd |
Deflandre,G. Groups Incertae Sedis.Hystrichospheres. chitinozoans. |
1952 |
| details |
Silurian |
|
Baltic |
Collinson,C. et al. North American Paleozoic Chitinozoa |
1955 |
| details |
Ordovician |
|
Czechoslovakia |
Collinson,C. et al. North American Paleozoic Chitinozoa |
1955 |
| details |
Silurian |
|
France |
Collinson,C. et al. North American Paleozoic Chitinozoa |
1955 |
| details |
Caradocian |
|
France(Finistere) |
Deunff,J. Planktonic microorganisms of the Breton Paleozoic. 1. The Ordovician of Veryhach (Crozon Peninsula). |
1959 |
| details |
Wenlockian |
|
Sweden |
Eisenack,A. Chitinozoa from sediments from Gotland. |
1962 |
| details |
Gothlandian |
|
France(Vosges) |
Doubinger,J. Ordovician and Silurian chitinozoans of the Schistes of Steige in the Vosges. |
1963 |
| details |
Silurian |
|
Brazil(Para) |
Sommer,F.W. et al. New species of chitinozoans from Well 56, Bom Jard Im, Itaituba, Para. |
1965 |
| details |
Tremadocian |
Ludlovian |
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Llandeilian |
|
Baltic |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Early Ludlovian |
|
Nd |
Lister,T.R. et al. New evidence for the age of the primitive Echinoid Myriastiches gigas |
1967 |