| original |
Middle Ordovician |
|
USSR(Estonian SSR) |
Eisenack,A. New chitinozoans from the Silurian of the Baltic Region and from the Devonian of the Eifel |
1955 |
| details |
Ordovician |
|
Baltic |
Eisenack,A. Microfossils from the Baltic Ordovician. 2: Vaginatenkalk to Lyckholmer Stufe. |
1962 |
| details |
Llandeilian |
|
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Llandeilian |
|
France(Manche) |
Rauscher,R. et al. Associations of chitinozoans of Normandy and comparisons with fauna already described. |
1967 |
| details |
Llandeilian |
|
Europe |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Middle Ordovician |
|
USSR(Estonian SSR) |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Late Llanvirnian |
Llandeilian |
USSR(Estonian SSR) |
Myannil,R.M. Distribution of selected Ordovician chitinozoa assemblages and species in northern Europa and their stratigraphic Valuaton. |
1971 |
| details |
Late Llanvirnian |
Llandeilian |
USSR(Leningrad) |
Myannil,R.M. Distribution of selected Ordovician chitinozoa assemblages and species in northern Europa and their stratigraphic Valuaton. |
1971 |
| details |
Middle Ordovician |
|
USSR(Estonian SSR) |
Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils |
1976 |
| details |
Late Llanvirnian |
Llandeilian |
Scandinavia |
Nolvak,J. et al. Ordovician chitinozoan zones from Baltoscandia |
1993 |
| details |
Uhaku |
|
USSR(Estonian SSR) |
Grahn,Y. et al. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. |
1996 |
| details |
Llanvirnian |
|
Saudi Arabia |
Paris,F. et al. Ordovician chitinozoans from central Saudi Arabia. |
2000 |