original |
Middle Wenlockian |
|
Belgium |
Verniers,J. The Silurian of the Mehaigne Valley, (Brabant Massif, Belgium) |
1981 |
original |
Early Wenlockian |
Late Wenlockian |
Belgium |
Verniers,J. The Silurian chitinozoa of the Mehaigne area (Brabant Massif, Belgium). |
1982 |
original |
Middle Llandoverian |
Late Wenlockian |
Belgium |
Verniers,J. The Silurian chitinozoa of the Mehaigne area (Brabant Massif, Belgium). |
1982 |
original |
Ludlovian |
Pridolian |
Czechoslovakia |
Kriz,J. The Pridoli Series in the Prague Basin (Barrandian area, Bohemia). (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
original |
Ludlovian |
|
Italy(Sardinia) |
Dufka,P. et al. A report on Silurian and Lowermost Devonian chitinozoans from Southwestern Sardina |
1996 |