| details |
Late Homerian |
Early Eltonian |
Ireland |
Aldridge,R.J. et al. Microfossil distribution in the Silurian of Britian and Ireland. |
1979 |
| details |
Early Pridolian |
|
Poland |
Wrona,R.M. Upper Silurian-Lower Devonian chitinozoa from the subsurface of Southeastern Poland. |
1980 |
| details |
Silurian |
|
USSR(Siberia) |
Tesakov,Y.I. Key Beds of the Silurian of the Gorbiachin River Region. (In: Silur Sibirskoy Platformy;Opornyve Razezy Severo-Zapada Sibirskoy Platformy. B.S.Sokolov et al, editor) |
1980 |
| details |
Wenlockian |
|
Wales |
Aldridge,R.J. et al. Distribution of microfossil Groups across the Wenlock Shelf of the Welsh Basin. |
1981 |
| details |
Ludlovian |
|
USSR(Russian Platform) |
Umnova,N.I. Ordovician and Silurian chitinozoa from the northern part of the Russian Platform. |
1981 |
| details |
Ludlovian |
|
England(Shropshire) |
Dorning,K.J. Silurian chitinozoa from the type Wenlock and Ludlow of Shropshire, England. |
1981 |
| details |
Silurian |
|
Sweden |
Nestor,V.K. Correlation Fo the East-Baltic and Gotland Silurian by chitinozoans. |
1982 |
| details |
Silurian |
|
USSR(Estonian SSR) |
Nestor,V.K. Correlation Fo the East-Baltic and Gotland Silurian by chitinozoans. |
1982 |
| details |
Devonian |
|
Brazil(Para) |
da Costa,N.M. Small chitinozoa of the Mapuera River, State of Para. |
1982 |
| details |
Early Llandoverian |
|
USSR(Siberia) |
Zaslavskaya,N.M. Silurian of Siberian Platform chitinozoa |
1983 |
| details |
Late Llandoverian |
|
USSR(Siberia) |
Zaslavskaya,N.M. Silurian of Siberian Platform chitinozoa |
1983 |
| details |
Middle 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 |
Caradocian |
Llandoverian |
India(Madhya Pradesh) |
Khanna,A.K. et al. Yong Limestone of Tethys Himalaya-Its stratigraphic status and palynological fossils |
1985 |
| details |
Caradocian |
Llandoverian |
India(Madhya Pradesh) |
Khanna,A.K. et al. Yong Limestone of Tethys Himalaya-Its stratigraphic status and palynological fossils |
1985 |
| details |
Gorstian |
|
England(Salop) |
Lawson,J.D. et al. The Ludlow series in the Ludlow area. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
| details |
Ludlovian |
Pridolian |
USSR(Estonian SSR) |
Bassett,M.G. et al. The Baltic Region. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
| details |
Ludlovian |
Ludfordian |
USSR(Estonian SSR) |
Nestor,V. et al. Dating of the Wenlock Carbonate sequences in Estonian and stratigraphicheskie Pereryvy |
1990 |