| original |
Early Llandoverian |
|
USSR(Estonian SSR) |
Nestor,V.K. New chitinozoan species from the Lower Llandoverian of Estonia. |
1980 |
| details |
Late Ordovician |
Early Gothlandian |
Canada(Anticosti Island) |
Achab,A. Biostratigraphy of the chitinozoa of Upper Ordovician - Lower Silurian of Anticosti Island. Preliminary results. |
1981 |
| details |
Llandoverian |
Early Wenlockian |
Ohio |
Grahn,Y. Llandoverian and Early Wenlockian chitinozoa from Southern Ohio and northern Kentucky, USA. |
1985 |
| details |
Llandoverian |
Early Wenlockian |
Kentucky |
Grahn,Y. Llandoverian and Early Wenlockian chitinozoa from Southern Ohio and northern Kentucky, USA. |
1985 |
| details |
Middle Llandoverian |
|
USSR(Estonian SSR) |
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 |
Late Rhuddanian |
Aeronian |
Ohio |
BergstrŠ¶m,S.M. et al. The Ordovician-Silurian boundary in the United States. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Llandoverian |
Wenlockian |
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 |
Late Telychian |
|
Canada(Quebec) |
Asselin,E. et al. Chitinozoans of the Early Silurian of the Bay of Chaleur, Gaspesie Region of Quebec, Canada. |
1990 |
| details |
Middle Llandoverian |
|
Estonia |
Nestor,V. Biostratigraphy: Silurian chitinozoans |
1990 |
| details |
Middle Llandoverian |
|
Estonia |
Nestor,N. Locality 9:1 Silurian sequences at Sarghaua Field Station |
1990 |
| details |
Late Rhuddanian |
|
USSR(Estonian SSR) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Rhuddanian |
|
Saudi Arabia |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Rhuddanian |
|
Canada(Quebec) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Rhuddanian |
Aeronian |
China(Hupei) |
Geng,L.-Y. et al. Rhuddanian and Aeronian chitinozoans from Dazhongba of Yichang, Western Hubei. |
1995 |
| details |
Late Rhuddanian |
|
Gondwanaland |
Paris,F. Chitinozoan biostratigraphy and palaeoecology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Rhuddanian |
|
Estonia |
Loydell,D.K. et al. Integrated biostratigraphy of the lower Silurian of the Ohesaare core, Saaremaa, Estonia. |
1998 |
| details |
Llandoverian |
|
Sweden |
Nestor,V. Chitinozoans from the Llandovery of the Oslo Region related to Early Silurian episodes and events. |
1998 |