| details |
Emsian |
Frasnian |
Ghana |
Anan-Yorke,R. Devonian chitinozoa and acritarcha from exploratory oil wells on the shelf and coastal region of Ghana, West Africa. |
1974 |
| original |
Late Gothlandian |
|
France(Ille-et-Vilaine) |
Paris,F. The chitinozoa in the Early Devonian shales and limestones of Saine-Cenere. (In: Massif Armoricain, France. H.Lardeux, editor) |
1976 |
| details |
Gedinnian |
|
Europe |
Paris,F. The chitinozoans in the Paleozoic of Southwest Europe. |
1981 |
| details |
Early Lochkovian |
|
USSR(Ukrainian SSR) |
Paris,F. et al. Chitinozoa of the Silurian-Devonian boundary sections in Podolia, Ukraine |
1996 |