| original |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |
| details |
Gorstian |
|
Estonia |
Nestor,H. et al. Description of the Type Section,cyclicity, and correlation of the Riksu Formation (Wenlock, Estonia). |
2001 |
| details |
Gorstian |
|
Wales |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Gorstian |
|
USSR(Ukrainian SSR) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Gorstian |
|
England(Shropshire) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Gorstian |
|
New Guinea |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Gorstian |
|
Sweden(Gotland) |
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 |
Gorstian |
|
Belgium |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Gorstian |
|
USSR(Latvian 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 |
|
France |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Gorstian |
|
Poland |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Llandoverian |
|
Baltic |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Gorstian |
|
Belgium |
Verniers,J. et al. The chitinozoan biostratigraphy of the Silurian of the RonquiĐres-Monstreux area (Brabant Massif, Belgium) |
2002 |
| details |
Gorstian |
Pridolian |
China(Kiangsu) |
Geng,L.-Y. et al. Chitinozoan biostratigraphy in China. |
2000 |
| details |
Ludlovian |
|
Sweden |
Grahn,Y. Upper Silurian (Upper Wenlock-Lower Pridoli) chitinozoa and biostratigraphy of Skane, Southern Sweden. |
1996 |