| original |
Gedinnian |
|
Europe |
Paris,F. The chitinozoans in the Paleozoic of Southwest Europe. |
1981 |
| details |
Nd |
|
Nd |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Early Devonian |
|
Worldwide |
Winchester-Seeto,T. Biogeography of Early Devonian chitinozoa. (In: Paleozoic sequence stratigraphy, biostratigraphy and biogeography: studies in Honor of J.Granville ("Jess") Johnson. G.Klapper et al, editors) |
1997 |
| details |
Early Lochkovian |
|
France(Normandie) |
Paris,F. et al. A revised chitinozoan classification |
1999 |