| details |
Early Caradocian |
|
Wales |
Atkinson,K. et al. Lower Caradocian (Upper Ordovician) chitinozoa from North Wales. |
1971 |
| details |
Arenigian |
Middle Ordovician |
USSR(Yaroslav) |
Umnova,N.I. Distribution of chitinozoa in the Ordovician of the Russian Platform |
1964 |
| details |
Llandeilian |
|
USSR(Ukrainian SSR) |
Zaslavskaya,N.M. et al. Chitinozoans in Ordovician and Silurian deposits of the Altai Mountains. (In: The Fauna and Biostratigraphy of Upper Ordovician and Silurian of the Altai-Sajan Region) |
1978 |
| details |
Late Caradocian |
|
USSR(Ukrainian SSR) |
Tsegelnyuk,P.D. Ordovician stratigraphy of the Southwestern Region of the Russian Platform |
1980 |
| details |
Early Ordovician |
Middle Ordovician |
USSR(Russian Platform) |
Umnova,N.I. Ordovician and Silurian chitinozoa from the northern part of the Russian Platform. |
1981 |
| details |
Early Ordovician |
|
USSR(Russian Platform) |
German,T.N. Microfossils of Glauconite Layers (Data resulting from an investigation of a core from a borehole near Vologda). (In:Mikrofitofossilii Proterozoya i Rannego Paleozoya SSSR. B.V.Timofeev, editor) |
1974 |
| details |
Arenigian |
|
USSR(Moscow) |
Myannil,R.M. Distribution of selected Ordovician chitinozoa assemblages and species in northern Europa and their stratigraphic Valuaton. |
1971 |
| details |
Silurian |
|
USSR(Moldavian SSR) |
MacArovici,N. et al. New data on the Siberian fauna of the Base of the Moldave Plateau |
1965 |
| details |
Middle Ordovician |
|
USSR(Latvian SSR) |
Gailite,L.K. Chitinozoa. (In: The Ordovician of Latvia. R.Z.H.Ulst et al, editor) |
1982 |
| details |
Middle Ordovician |
|
USSR(Latvian SSR) |
Myannil,R.M. Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area. |
1972 |
| details |
Late Arenigian |
Middle Llandeilian |
USSR(Estonian SSR) |
Grahn,Y. Ordovician chitinozoa from Tallinn, Norther Estonia. |
1984 |
| details |
Late Virgulian |
|
USSR(Estonian SSR) |
Myannil,R.M. Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area. |
1972 |
| details |
Middle Llandoverian |
|
USSR(Estonian SSR) |
Nestor,V. A microplankton correlation of Boring Sections of the Raikkula Stage, Estonia. |
1976 |
| details |
Early Ordovician |
|
USSR(Estonian SSR) |
Magi,S. A characterization of the type section of the Ontika Subseries. |
1984 |
| original |
Ordovician |
|
USSR(Estonian SSR) |
Eisenack,A. Microfossils of the Ordovician from the Baltic area.1. |
1958 |
| details |
Early Ordovician |
|
USSR(Estonian SSR) |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Ordovician |
|
USSR(Estonian SSR) |
Myannil,R.M. The Zonal distribution of Ordovician chitinozoans in the eastern Baltic area. |
1972 |