| original |
Pridolian |
|
Baltic Sea |
Eisenack,A. New microfossils of the Baltic Silurian.2. |
1932 |
| details |
Ordovician |
|
Baltic |
Collinson,C. et al. North American Paleozoic Chitinozoa |
1955 |
| details |
Ordovician |
|
Baltic |
Eisenack,A. Neotypes of Baltic Silurian chitinozoans and new species. |
1959 |
| details |
Siegenian |
|
France(Manche) |
Doubinger,J. Palynologic-Planktonic study of some Lower Devonian (Siegenian) samples from the Cotentin. |
1963 |
| details |
Middle Siegenian |
|
France |
Doubinger,J. et al. The presence of Numerous chitinozoans in the Lower Devonian (Siegenian) of Cotentin |
1964 |
| details |
Pridolian |
|
Baltic Sea |
Jansonius,J. Morphology and classification of some chitinozoa |
1964 |
| details |
Ordovician |
|
Australia(Queensland) |
Combaz,A. A microbiota with chitinozoans in the Paleozoic of Queensland, Australia. |
1965 |
| details |
Caradocian |
|
USSR(Estonian SSR) |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Ordovician |
|
E.Germany(Potsdam) |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Early Ordovician |
Middle Ordovician |
Sweden |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Pridolian |
|
Baltic Sea |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Middle Arenigian |
Caradocian |
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Middle Ordovician |
Late Ordovician |
Europe |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Nd |
|
Nd |
Combaz,A. et al. Chitinozoans--Morphography. |
1967 |
| details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Nd |
|
Nd |
Obut,A.M. On the geographical distribution, comparative morphology, ecology, phylogeny, and the taxonomic position of chitinozoa. |
1973 |
| details |
Early Gothlandian |
|
Brazil(Para) |
da Costa,N.M. Stratigraphic distribution and biochronology of chitinozoans from the Trombetas Formation, State of Para. |
1974 |