| details |
Aeronian |
|
Czechoslovakia(Bohemia) |
Dufka,P. Lower Silurian chitinozoans of the Prague Basin (Barrandian, Czechoslovakia)-Preliminary results. |
1992 |
| details |
Middle Llandoverian |
Early Wenlockian |
Brazil(Amazonas) |
Grahn,Y. et al. Age and correlation of the Trombetas Group, Amazonas Basin, Brazil. |
1992 |
| details |
Middle Llandoverian |
|
|
Grahn,Y. et al. Early Silurian Glaciations in Brazil |
1992 |
| details |
Early Llandoverian |
Middle Llandoverian |
|
Grahn,Y. Revision of Silurian and Devonian strata in Brazil |
1992 |
| details |
Early Llandoverian |
Middle Llandoverian |
Brazil(Paraiba) |
Grahn,Y. Revision of Silurian and Devonian strata in Brazil |
1992 |
| details |
Early Llandoverian |
Middle Llandoverian |
Brazil(Amazonas) |
Grahn,Y. Revision of Silurian and Devonian strata in Brazil |
1992 |
| details |
Llandoverian |
|
Czechoslovakia |
Dufka,P. et al. Chitinozoans and acritarchs from the Ordovician - Silurian boundary of the Prague Basin, Czech Republic. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
| details |
Late Rhuddanian |
Aeronian |
USSR(Estonian SSR) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Rhuddanian |
Aeronian |
Saudi Arabia |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Rhuddanian |
Aeronian |
USSR(Latvian SSR) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Rhuddanian |
Aeronian |
Canada(Quebec) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Aeronian |
|
Algeria |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Aeronian |
Early Telychian |
China |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Aeronian |
|
Libya |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Aeronian |
|
Sweden(Gotland) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Rhuddanian |
Early Telychian |
Sweden(Gotland) |
Grahn,Y. Lower Silurian chitinozoa and biostratigraphy of subsurface Gotland. |
1995 |
| details |
Aeronian |
|
China(Hupei) |
Geng,L.-Y. et al. Rhuddanian and Aeronian chitinozoans from Dazhongba of Yichang, Western Hubei. |
1995 |