| details |
Late Ashgillian |
Early Llandoverian |
Worldwide |
Grahn,Y. Chitinozoan stratigraphy in the Ashgil and Llandovery. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Wenlockian |
|
Wales(Powys) |
Verniers,J. Calibration of Chitinozoa versus graptolite biozonation in the Wenlock of Builth Wells district (Wales, U.K), compared with other areas in Avalonia and Baltica. |
1999 |
| details |
Telychian |
|
Wales(Powys) |
Mullins,G.L. et al. Integrated lower Silurian chitinozoan and graptolite biostratigraphy of Buttington Brick Pit, Wales. |
2002 |
| details |
Wenlockian |
|
Wales |
Aldridge,R.J. et al. Distribution of microfossil Groups across the Wenlock Shelf of the Welsh Basin. |
1981 |
| 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 |
Homerian |
|
Wales |
Rombouts,L.P. Factors controlling the distribution of chitinozoa in the Gleedon Chronozone, (Wenlockian) of northern Europe. |
1982 |
| details |
Middle Eifelian |
|
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 |
Late Llandoverian |
|
USSR(Taymyr Nat.Okrug) |
Zalslavskaya,N.M. On the modification of the peridermal structures of Ancyrochitinides (Chitinozoa). (In: The System and Phyllogeny of Fossil Invertebrates. A.S.Dagis, editor) |
1987 |
| details |
Late Llandoverian |
|
USSR(Siberia) |
Obut,A.M. et al. Chitinozoa complexes in the Upper Llandoerian-Lower Wenlockian of Siberia and the Russian Platform. (In: Paleontology and Biostratigraphy of the Paleozoic of Siberia. O.A.Betekhtina, editor) |
1984 |
| details |
Middle Llandoverian |
Late Llandoverian |
USSR(Siberia) |
Zaslavskaya,N.M. et al. Silurian microfossils of the North-Western Siberian Platform. (In: Problems of Modern Palynology. A.F.Chlonova, editor) |
1984 |
| details |
Llandoverian |
|
USSR(Siberia) |
Zaslavskaya,A.M. Silurian chitinozoa of the Siberian Platform. (In: Silur Sibirskoi Platformy Graptolity i Khitinokhoi. Y.Tesakov, editor) |
1980 |
| details |
Early Llandoverian |
Middle Llandoverian |
USSR(Siberia) |
Zaslavskaya,N.M. Silurian of Siberian Platform chitinozoa |
1983 |
| details |
Llandoverian |
|
USSR(Siberia) |
Zaslavskaya,N.M. Silurian of Siberian Platform chitinozoa |
1983 |
| details |
Llandoverian |
|
USSR(Siberia) |
Zaslavskaya,N.M. et al. Correlation significance of palynomorphs from the Lower Silurian of the Siberian Platform. (In: Palynology in the USSR. A.F.Chlonova, editor) |
1988 |
| details |
Llandoverian |
|
USSR(Siberia) |
Tesakov,Y.I. et al. Silurian biozones of the northern Siberian Platform (Moiero River Basin). (In: Silurian Fauna and Flora of Polar Siberian Platform. B.S.Sokolov, editor) |
1986 |
| details |
Llandoverian |
|
USSR(Siberia) |
Zaslavskaya,N.M. Silurian chitinozoans of the Moiero River. (In: Silurian Fauna and Flora of Polar Siberian Platform. B.S.Sokolov, editor) |
1986 |
| details |
Late Llandoverian |
Early Wenlockian |
USSR(Siberia) |
Obut,A.M. et al. Complexes of Silurian Chitinozoa and Graptolite Zones of the Siberia and Russian Platforms, (Upper Llandoverian - Lower Wenlockian). (In: Paleontology and Detailed Stratigraphic Correlation) |
1982 |