| details |
Middle Telychian |
|
China(Hupei) |
Geng,L.-Y. et al. Sequences of Llandoverian chitinozoans in Yangzi Region |
1988 |
| details |
Late Telychian |
|
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 |
Late Llandoverian |
|
Sweden |
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 |
Early Gamachian |
Late Llandoverian |
Greenland |
Grahn,Y. et al. Chitinozoans from Ordovician and Silurian Shelf and Slope sequences in North Greenland. (In: Palaeozoic fossils and stratigraphy from North Greenland) |
1989 |
| 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 |
Early Sheinwoodian |
Worldwide |
Paris,F. Chitinozoans. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
| details |
Late Telychian |
Early Wenlockian |
Canada(Quebec) |
Asselin,E. et al. Chitinozoans of the Early Silurian of the Bay of Chaleur, Gaspesie Region of Quebec, Canada. |
1990 |
| details |
Late Llandoverian |
Early Wenlockian |
Estonia |
Nestor,V. Biostratigraphy: Silurian chitinozoans |
1990 |
| details |
Early Wenlockian |
|
Baltic |
Rubel,M. et al. Wenlock and Ludlov of North and West Saaremaa: locality 6:1 Pan Cliff |
1990 |
| details |
Late Llandoverian |
|
Estonia |
Nestor,N. Locality 9:1 Silurian sequences at Sarghaua Field Station |
1990 |
| details |
Llandoverian |
|
USSR(Estonian SSR) |
Achab,A. et al. Chitinozoan contribution to the Ordovician and Lower Silurian paleobiogeography. |
1992 |
| details |
Llandoverian |
Early Wenlockian |
Brazil(Amazonas) |
Grahn,Y. et al. Age and correlation of the Trombetas Group, Amazonas Basin, Brazil. |
1992 |
| details |
Late Llandoverian |
Early Wenlockian |
USSR(Estonian SSR) |
Nestor,V. Chitinozoans at the Llandovery-Wenlock transition in the Jaagarahu core, Estonia. |
1993 |
| details |
Late Telychian |
Early Sheinwoodian |
USSR(Estonian SSR) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Telychian |
Early Sheinwoodian |
Saudi Arabia |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Early Sheinwoodian |
|
Tunisia |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Telychian |
Early Sheinwoodian |
Czechoslovakia(Bohemia) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |