| details |
Ludlovian |
|
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 |
Ludlovian |
|
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,A.M. Silurian chitinozoa of the Siberian Platform. (In: Silur Sibirskoi Platformy Graptolity i Khitinokhoi. Y.Tesakov, editor) |
1980 |
| details |
Gedinnian |
Early Siegenian |
Poland |
Wrona,R.M. Upper Silurian-Lower Devonian chitinozoa from the subsurface of Southeastern Poland. |
1980 |
| 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 |
Pridolian |
|
Guinea |
Villeneuve,M. et al. New palaeontological data from the Palaeozoic series of the Bove Basin, (Guinea, West Africa); Stratigraphical consequences. |
1989 |
| details |
Gorstian |
Ludfordian |
USSR(Estonian SSR) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Gorstian |
|
Czechoslovakia(Bohemia) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Gorstian |
Ludfordian |
USSR(Latvian SSR) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Ludfordian |
|
Algeria |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Gorstian |
Ludfordian |
Belgium |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Gorstian |
|
China |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Ludfordian |
|
Libya |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Gorstian |
Ludfordian |
Sweden(Gotland) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Gorstian |
|
Portugal |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Ludlovian |
|
Spain |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |