| details |
Late Arenigian |
Early Llandoverian |
Nd |
Jansonius,J. Systematics of the chitinozoa. |
1966 |
| details |
Llanvirnian |
Early Llandoverian |
Nd |
Jansonius,J. Systematics of the chitinozoa. |
1967 |
| details |
Arenigian |
Ashgillian |
Canada(NWT) |
Jansonius,J. Classification and stratigraphic application of chitinozoa. |
1970 |
| original |
Late Ordovician |
|
Oklahoma |
Jenkins,W.A.M. Chitinozoa from the Ordovician Sylvan Shale of the Arbuckle Mountains, Oklahoma |
1970 |
| details |
Nd |
|
Nd |
Taugourdeau,P. Several systematic attributes proposed for chitinozoa. |
1981 |
| details |
Llanvirnian |
Caradocian |
France(Aquitaine) |
Paris,F. The Paleozoic Aquitaine Basin-Biostratigraphy by chitinozoans, ostracods and tentaculites. |
1984 |
| details |
Ludlovian |
|
France(Aquitaine) |
Paris,F. The Paleozoic Aquitaine Basin-Biostratigraphy by chitinozoans, ostracods and tentaculites. |
1984 |
| details |
Nd |
|
Nd |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Arenigian |
|
Algeria |
Paris,F. et al. A revised chitinozoan classification |
1999 |