| details |
Late Gedinnian |
Early Siegenian |
France(Finistere) |
Paris,F. The chitinozoa. (In: The Shists and Limestones of Armorica. Y.Plusquellec, editor) |
1980 |
| original |
Gedinnian |
Siegenian |
Europe |
Paris,F. The chitinozoans in the Paleozoic of Southwest Europe. |
1981 |
| details |
Pridolian |
Gedinnian |
Bulgaria |
Lakova,I. Chitinozoa from the Pridolian and Gedinian in Borehole R-1 Dalgodelci, (North-West Bulgaria). |
1985 |
| details |
Lochkovian |
|
France(Finistere) |
Morzadec,P. et al. The Lochkovian-Pragian boundary (Lower Devonian) in the Armorican Massif;Index taxa and correlations |
1991 |
| details |
Lochkovian |
Pragian |
France(Mayenne) |
Morzadec,P. et al. The Lochkovian-Pragian boundary (Lower Devonian) in the Armorican Massif;Index taxa and correlations |
1991 |
| details |
Middle Lochkovian |
Late Lochkovian |
Bulgaria |
Lakova,I. Biostratigraphy of Lochkovian chitinozoans from North Bulgaria. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
| details |
Late Lochkovian |
|
Gondwanaland |
Paris,F. Chitinozoan biostratigraphy and palaeoecology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| 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 |