| details |
Llandeilian |
Caradocian |
USSR(Taldy-Kurganskaya) |
Zaslavskaya,N.M. et al. Ordovician chitinozoa of South Djungaria. (In: Problematic Fossils of the USSR. B.S.Sokolov, editors) |
1990 |
| details |
Middle Ordovician |
|
USSR(Belorussian SSR) |
Zaslavskaya,N.M. On the morphology and systematics of chitinozoa. (In: Problematic Fossils of the USSR. B.S.Sokolov, editors) |
1990 |
| details |
Middle Ordovician |
Late Ordovician |
Europe |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| 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 |
Early Paleozoic |
|
Turkey |
Sinanoglu,E. Chitinozoa. |
1978 |
| details |
Early Ashgillian |
|
Canada(Anticosti Island) |
Petryk,A. Lithostratigraphic, paleogeographic and hydrocarbon potential of Anticosti Island. |
1981 |
| details |
Nd |
|
Nd |
Obut,A.M. On the geographical distribution, comparative morphology, ecology, phylogeny, and the taxonomic position of chitinozoa. |
1973 |
| details |
Late Ordovician |
Early Gothlandian |
USSR(Pskov) |
Nolvak,J. et al. The Taucionys Formation (Holorhynchus Beds) in the Iljinskoje Boring (Pskov District). |
1989 |
| details |
Late Ordovician |
|
Baltic |
Nolvak,J. Results of quantitative stratigraphic correlation of the Upper Ordovician in the Baltic;Chitinozoans. (In: Quantitative Stratigraphy: Retrospective Evaluation and Future Development. A. Oleynikov and M. Rubel editors) |
1989 |
| details |
Late Ordovician |
|
Baltic |
Nolvak,J. Results of quantitative stratigraphic correlation of the Upper Ordovician in the Baltic;Chitinozoans. (In: Quantitative Stratigraphy: Retrospective Evaluation and Future Development. A. Oleynikov and M. Rubel editors) |
1989 |
| details |
Caradocian |
Ashgillian |
Canada(Quebec) |
Martin,F. Some Upper Ordovician chitinozoans and acritarchs from the White Head Formation of Gaspe, Quebec. Gaspesie, Quebec. |
1980 |
| details |
Late Caradocian |
Early Ashgillian |
Europe |
Jenkins,W.A.M. et al. Stratigraphic ranges of selected chitinozoa. |
1979 |
| details |
Late Caradocian |
Early Ashgillian |
North America |
Jenkins,W.A.M. et al. Stratigraphic ranges of selected chitinozoa. |
1979 |
| details |
Pridolian |
|
Baltic Sea |
Jansonius,J. Morphology and classification of some chitinozoa |
1964 |
| details |
Early Llanvirnian |
Middle Llandeilian |
USSR(Estonian SSR) |
Grahn,Y. Ordovician chitinozoa from Tallinn, Norther Estonia. |
1984 |
| details |
Llanvirnian |
|
USA(Appalachian Bn.) |
Grahn,Y. et al. Lower Middle Ordovician chitinozoa from the Southern Appalachians, United States |
1984 |