| details |
Ludlovian |
Pridolian |
Czechoslovakia |
Paris,F. et al. New species of chitinozoans to the Ludlow-Pridoli boundary, Czechoslovakia |
1984 |
| details |
Caradocian |
Pridolian |
USSR(Buryat ASSR) |
Katyukha,Y.P. et al. On the age of the Mangatol and Dabanzhalga Suites and the Oka series in the eastern Saxan Region |
1983 |
| details |
Early Wenlockian |
Middle Wenlockian |
Belgium |
Verniers,J. The Silurian chitinozoa of the Mehaigne area (Brabant Massif, Belgium). |
1982 |
| details |
Middle Llandoverian |
Middle Ludlovian |
Belgium |
Verniers,J. The Silurian chitinozoa of the Mehaigne area (Brabant Massif, Belgium). |
1982 |
| details |
Early Gothlandian |
Middle Devonian |
Nd |
Taugourdeau,P. The chitinozoa. |
1979 |
| details |
Middle Wenlockian |
Late 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 |
| details |
Caradocian |
Late Ashgillian |
Canada(Eastern Offshore) |
Jenkins,W.A.M. Ordovician rocks in the Eastcan et al. Freydis B-87 and other wells in offshore Atlantic Canada. |
1984 |
| details |
Pridolian |
Gedinnian |
France(Manche) |
Rauscher,R. et al. Microfossils (Acritarches, chitinozoans, and spores) of beds next to the Silurian-Devonian boundary on the Cotentin Penninsula (Normandy). |
1975 |
| original |
Siegenian |
Emsian |
W.Germany(N.Rhine) |
Eschghi,I. et al. Stratigraphy and Palaogeography of the Siegenian and Emsian of the Aachen-Ahrtal Region |
1984 |
| original |
Siegenian |
Emsian |
W.Germany(N.Rhine) |
Eschghi,I. et al. Stratigraphy and Palaogeography of the Siegenian and Emsian of the Aachen-Ahrtal Region |
1984 |
| details |
Late Lochkovian |
Emsian |
Canada(Quebec) |
Achab,A. et al. Chitinozoan assemblage from the third order transgressive-regressive cycles of the Upper Gaspe Limestones (Lower Devonian of eastern Canada) |
1997 |
| details |
Pragian |
Emsian |
Canada(Quebec) |
Achab,A. et al. Chitinozoan assemblage from the third order transgressive-regressive cycles of the Upper Gaspe Limestones (Lower Devonian of eastern Canada) |
1997 |
| details |
Late Lochkovian |
Emsian |
Canada(Quebec) |
Achab,A. et al. Chitinozoan assemblage from the third order transgressive-regressive cycles of the Upper Gaspe Limestones (Lower Devonian of eastern Canada) |
1997 |
| details |
Late Telychian |
Early Sheinwoodian |
England(Shropshire) |
Mabillard,J.E. et al. Microfossil distribution across the Base of the Wenlockian series in the type area |
1985 |
| details |
Late Lochkovian |
Early Pragian |
Canada(Quebec) |
Lavoie,D. et al. A new stratigraphic framework for the Gasp© Belt in southern Quebec: Implications for the pre-Acadian Appalachians of eastern Canada. |
2004 |
| details |
Wenlockian |
Early Ludlovian |
Greenland |
Armstrong,H.A. et al. Silurian palynomorphs from the Chester Bjerg Formation, Hall Land, western North Greenland |
1984 |
| details |
Late Jurassic |
Early Cretaceous |
Czech Republic |
MorЎvek,R. Ludlowian Chitinozoa from the locality "Na PozЎrech" (Silurian, Prague Basin, Barrandian area) - preliminary results |
2002 |