| details |
Late Sheinwoodian |
|
Wales |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Sheinwoodian |
|
Poland |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Sheinwoodian |
|
Baltic |
Paris,F. Chitinozoan biostratigraphy and palaeoecology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Sheinwoodian |
|
Baltic |
Paris,F. et al. A revised chitinozoan classification |
1999 |
| details |
Sheinwoodian |
|
Estonia |
Nestor,H. et al. Description of the Type Section,cyclicity, and correlation of the Riksu Formation (Wenlock, Estonia). |
2001 |