| original |
Wenlockian |
|
Sweden |
Laufeld,S. Silurian chitinozoa from Gotland. |
1974 |
| details |
Late Llandoverian |
Early Wenlockian |
Sweden |
Laufeld,S. Chitinozoans. |
1979 |
| details |
Early Wenlockian |
|
Belgium |
Verniers,J. et al. Silurian graptolites and chitinozoans from the Burdinale Valley, Brabant Massif, Belgium. |
1979 |
| details |
Silurian |
|
Sweden |
Laufeld,S. Foraminifers. (In: Lower Wenlock faunal and flora dynamics-Vattenfallet section, Gotland. V.Jaanusson, S.Laufeld and R.Skoglund, editors) |
1979 |
| details |
Middle Wenlockian |
|
Belgium |
Verniers,J. The Silurian of the Mehaigne Valley, (Brabant Massif, Belgium) |
1981 |
| details |
Early Wenlockian |
|
Belgium |
Verniers,J. The Silurian chitinozoa of the Mehaigne area (Brabant Massif, Belgium). |
1982 |
| details |
Early Wenlockian |
Middle Wenlockian |
USSR(Estonian SSR) |
Nestor,V. Chitinozoan Zonal Assemblages, (Wenlock, Estonia). |
1982 |
| details |
Wenlockian |
|
USSR(Estonian SSR) |
Nestor,V. Chitinozoans at the Llandovery-Wenlock transition in the Jaagarahu core, Estonia. |
1993 |
| details |
Early Wenlockian |
|
Wales(Powys) |
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 |