| details |
Late Wenlockian |
Early Ludlovian |
Brazil(Amazonas) |
Grahn,Y. et al. Age and correlation of the Trombetas Group, Amazonas Basin, Brazil. |
1992 |
| details |
Late Llandoverian |
Early Ludlovian |
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Wenlockian |
Early Ludlovian |
Sweden |
Grahn,Y. Upper Silurian (Upper Wenlock-Lower Pridoli) chitinozoa and biostratigraphy of Skane, Southern Sweden. |
1996 |
| details |
Wenlockian |
Early Ludlovian |
Sweden(Gotland) |
Grahn,Y. Upper Silurian (Upper Wenlock-Lower Pridoli) chitinozoa and biostratigraphy of Skane, Southern Sweden. |
1996 |
| details |
Late Sheinwoodian |
Early Homerian |
USSR(Estonian SSR) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Sheinwoodian |
Early Homerian |
Czechoslovakia(Bohemia) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Sheinwoodian |
Early Homerian |
USSR(Latvian SSR) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Sheinwoodian |
Early Homerian |
Libya |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Sheinwoodian |
Early Homerian |
Libya |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Sheinwoodian |
Early Homerian |
Brazil |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Sheinwoodian |
Early Homerian |
England(Shropshire) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Sheinwoodian |
Early Homerian |
USSR(Ukrainian SSR) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Early Pridolian |
Early Givetian |
Brazil(Amazonas) |
Grahn,Y. et al. Silurian-Devonian chitinozoan biostratigraphy along the Urubu, UatumЈ and Abacate rivers in the western part of the Amazonas Basin, Northern Brazil. |
2003 |
| details |
Silurian |
|
Nd |
Jansonius,J. et al. Chitinozoa. |
1978 |
| details |
Early Ordovician |
|
China(Yunnan) |
Kao,L. Lower Ordovician chitinozoans from Wuding and Luquan, Yunnan. |
1980 |
| details |
Middle Wenlockian |
|
Belgium |
Verniers,J. et al. Silurian graptolites and chitinozoans from the Burdinale Valley, Brabant Massif, Belgium. |
1979 |
| details |
Early Wenlockian |
|
England(Somerset) |
Dorning,K.J. Palynology of the Silurian of Moon's Hill, eastern Mendips, Somerset, England. |
1981 |