details |
Late Ordovician |
Late Gothlandian |
Europe |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
details |
Middle Ordovician |
|
Africa |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
details |
Middle Ordovician |
Late Ordovician |
North America |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
details |
Early Devonian |
Middle Devonian |
Africa |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
details |
Middle Ordovician |
Late Ordovician |
Asia |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
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 |
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 |
Silurian |
|
USSR(Estonian SSR) |
Eisenack,A. Microfossils from the Silurian of Esthonia and the Isle of Osel |
1970 |
details |
Wenlockian |
|
USSR(Lithuanian SSR) |
Ditsevichyus,E.K. Ordovician and Silurian chitinozoan fauna of Lithuania and its stratigraphic significance |
1970 |
details |
Caradocian |
|
Belgium |
Martin,F. et al. The Caradocian Flysch of Ombret. |
1970 |
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 |
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 |
Harnagian |
|
Wales |
Atkinson,K. et al. Lower Caradocian (Upper Ordovician) chitinozoa from North Wales. |
1971 |
details |
Pridolian |
|
Baltic Sea |
Eisenack,A. More microfossils from the Beyrichia Limestone (Silurian) |
1971 |
details |
Nd |
|
Nd |
Eisenack,A. Contribution to the study of chitinozoans. |
1972 |
details |
Silurian |
|
Sweden |
Laufeld,S. Chitinozoa-A Poorly known microfossil Group. |
1973 |