| original |
Late Ludlovian |
Early Pridolian |
Czechoslovakia |
Paris,F. et al. New species of chitinozoa from the Ludlow/Pridoli boundary Beds in Czechoslovakia |
1984 |
| details |
Pridolian |
|
Spain |
Schweineberg,J. Silurian chitinozoa from the Palencia Province (Cantabrian Mountains, North Spain). |
1987 |
| details |
Early Pridolian |
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 Ludlovian |
Early Pridolian |
Brazil(Amazonas) |
Grahn,Y. Revision of Silurian and Devonian strata in Brazil |
1992 |
| details |
Pridolian |
Early Lochkovian |
USSR(Ukrainian SSR) |
Paris,F. et al. Chitinozoa of the Silurian-Devonian boundary sections in Podolia, Ukraine |
1996 |
| details |
Ludfordian |
Early Pridolian |
Gondwanaland |
Paris,F. Chitinozoan biostratigraphy and palaeoecology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Pridolian |
Early Lochkovian |
Italy(Sardinia) |
Dufka,P. et al. A report on Silurian and Lowermost Devonian chitinozoans from Southwestern Sardina |
1996 |
| details |
Late Ludlovian |
Early Pridolian |
Brazil(Amazonas) |
Rubinstein,C.V. Silurian acritarchs from South America: A review. |
1996 |
| details |
Gorstian |
|
Belgium |
Verniers,J. et al. The chitinozoan biostratigraphy of the Silurian of the RonquiЁres-Monstreux area (Brabant Massif, Belgium) |
2002 |
| details |
Early Pridolian |
Early Lochkovian |
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 |