| details |
Ludlovian |
Downtonian |
Wales |
Warren,P.T. The significance of recent research in Britain on the Ludovian-Downtonian boundary. (In: The boundary between the Silurian and Devonian and Biostratigraphy of the Silurian. D.V.Nalivkin, editors) |
1971 |
| details |
Harnagian |
|
Wales |
Atkinson,K. et al. Lower Caradocian (Upper Ordovician) chitinozoa from North Wales. |
1971 |
| details |
Late Emsian |
|
W.Germany(Rhineland) |
Pichler,R. Microfossils from the Devonian of the Southern Eifel Basin. (Contributions relating to the type sections at Wetteldorf Andschoenecken, No.12). |
1971 |
| details |
Wenlockian |
Ludlovian |
USSR(Russian Platform) |
Umnova,N.I. Ordovician and Silurian chitinozoa from the northern part of the Russian Platform. |
1981 |
| details |
Late Ludlovian |
|
USSR(Russian Platform) |
Umnova,N.I. Structural types of the Prosome and Operculum in the chitinozoa and their association with genera and species. |
1976 |
| details |
Silurian |
|
USSR(Moldavian SSR) |
MacArovici,N. et al. New data on the Siberian fauna of the Base of the Moldave Plateau |
1965 |
| details |
Wenlockian |
|
USSR(Lithuanian SSR) |
Ditsevichyus,E.K. Ordovician and Silurian chitinozoan fauna of Lithuania and its stratigraphic significance |
1970 |
| details |
Silurian |
|
USSR(Estonian SSR) |
Eisenack,A. Microfossils from the Silurian of Esthonia and the Isle of Osel |
1970 |
| details |
Early Gothlandian |
|
USSR(Belorussian SSR) |
Ditsevichyus,E.K. New chitinozoan species from Ordovician and Silurian deposits of the Southern Baltic and north-western Byelorussia.I.Acanthochitina and some Conochitina. (In: Palaeontology and stratigraphy of the Baltic Region and Byelorussia) |
1970 |
| details |
Early Gothlandian |
|
USSR(Baltic) |
Ditsevichyus,E.K. New chitinozoan species from Ordovician and Silurian deposits of the Southern Baltic and north-western Byelorussia.I.Acanthochitina and some Conochitina. (In: Palaeontology and stratigraphy of the Baltic Region and Byelorussia) |
1970 |
| details |
Llandeilian |
Caradocian |
USA |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Early Paleozoic |
|
Turkey |
Sinanoglu,E. Chitinozoa. |
1978 |
| details |
Gothlandian |
|
Tunisia |
Grignani,D. Correlation with Chttinozoa in the Devonian and Silurian in some Tunisian Well samples. |
1967 |
| details |
Late Llandoverian |
|
Sweden |
Taugourdeau,P. et al. Silurian chitinozoans of Gotland;Comparison with Saharian forms |
1964 |
| details |
Silurian |
|
Sweden |
Laufeld,S. Chitinozoa-A Poorly known microfossil Group. |
1973 |
| details |
Ludlovian |
|
Sweden |
Laufeld,S. Silurian chitinozoa from Gotland. |
1974 |
| details |
Middle Ludlovian |
|
Sweden |
Eisenack,A. Chitinozoa from sediments from Gotland. |
1962 |