| original |
Early Caradocian |
|
Sweden |
Paris,F. The chitinozoans in the Paleozoic of Southwest Europe. |
1981 |
| details |
Llanvirnian |
Caradocian |
France(Aquitaine) |
Paris,F. The Paleozoic Aquitaine Basin-Biostratigraphy by chitinozoans, ostracods and tentaculites. |
1984 |
| details |
Late Ordovician |
|
Africa |
Achab,A. et al. Paleobiogeography of Ordovician chitinozoans |
1988 |
| details |
Nd |
|
Nd |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Nd |
|
Nd |
Paris,F. et al. A revised chitinozoan classification |
1999 |