| original |
Late Ludlovian |
Early Pridolian |
Czechoslovakia |
Paris,F. et al. New species of chitinozoa from the Ludlow/Pridoli boundary Beds in Czechoslovakia |
1984 |
| details |
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 |
| details |
Middle Ludfordian |
Late Ludfordian |
Worldwide |
Paris,F. Chitinozoans. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
| details |
Late Ludfordian |
|
England(Herefordshire) |
Richardson,J.B. et al. Palynofacies in a Late Silurian regressive sequence in the Welsh Borderland and Wales |
1990 |
| details |
Late Ludfordian |
|
USSR(Estonian SSR) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Ludfordian |
|
Czechoslovakia(Bohemia) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Ludfordian |
|
USSR(Latvian SSR) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Ludfordian |
|
Sweden(Gotland) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Ludfordian |
|
Spain |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Ludfordian |
|
USSR(Ukrainian SSR) |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Late Ludfordian |
|
Wales |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Ludlovian |
|
USSR(Ukrainian SSR) |
Paris,F. et al. Chitinozoa of the Silurian-Devonian boundary sections in Podolia, Ukraine |
1996 |
| details |
Ludfordian |
|
Gondwanaland |
Paris,F. Chitinozoan biostratigraphy and palaeoecology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Ludlovian |
|
Italy(Sardinia) |
Dufka,P. et al. A report on Silurian and Lowermost Devonian chitinozoans from Southwestern Sardina |
1996 |