| details |
Middle Wenlockian |
Late Wenlockian |
USSR(Estonian SSR) |
Nestor,V. Chitinozoan Zonal Assemblages, (Wenlock, Estonia). |
1982 |
| details |
Middle Ordovician |
|
Finland |
Tynni,R. Ordovician hystrichospheres and chitinozoans in limestone from the Bothnian Sea. |
1975 |
| details |
Middle Gothlandian |
Late Gothlandian |
Europe |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Llandoverian |
|
USSR(Siberia) |
Zaslavskaya,A.M. Silurian chitinozoa of the Siberian Platform. (In: Silur Sibirskoi Platformy Graptolity i Khitinokhoi. Y.Tesakov, editor) |
1980 |
| details |
Llandoverian |
|
USSR(Siberia) |
Zaslavskaya,N.M. Silurian of Siberian Platform chitinozoa |
1983 |
| details |
Llandoverian |
|
Argentina(Mendoza) |
PŠ¶the de Baldis,E.D. et al. Chitozoans of Llandoverian age from the Villavicencio Group in Quebrada de Santa Clara, Mendoza, Argentina. |
1987 |
| details |
Llandoverian |
|
France |
Graindor,M.-J. et al. Chitinozoans of the Silurian-Devonian in the northern Massif Armoricain |
1966 |
| details |
Llandoverian |
|
Sweden |
Eisenack,A. Chitinozoa from sediments from Gotland. |
1962 |
| details |
Llandoverian |
|
Argentina(Mendoza) |
Rubinstein,C.V. Palynological investigations in the Lower Paleozoic of Argentina |
1993 |
| details |
Late Wenlockian |
Early Ludlovian |
Europe |
Paris,F. The chitinozoans in the Paleozoic of Southwest Europe. |
1981 |
| details |
Late Wenlockian |
Early Ludlovian |
Brazil(Amazonas) |
Grahn,Y. et al. Age and correlation of the Trombetas Group, Amazonas Basin, Brazil. |
1992 |
| details |
Late Wenlockian |
Middle Ludlovian |
Italy(Sardinia) |
Dufka,P. et al. A report on Silurian and Lowermost Devonian chitinozoans from Southwestern Sardina |
1996 |
| details |
Late Wenlockian |
|
Estonia |
Verniers,J. Calibration of Chitinozoa versus graptolite biozonation in the Wenlock of Builth Wells district (Wales, U.K), compared with other areas in Avalonia and Baltica. |
1999 |
| 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 |
|
Algeria |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |