| details |
Early Caradocian |
Middle Caradocian |
Canada(Quebec) |
Jansonius,J. Systematics of the chitinozoa. |
1966 |
| details |
Early Caradocian |
Middle Caradocian |
Canada(Quebec) |
Jansonius,J. Systematics of the chitinozoa. |
1967 |
| details |
Ludlovian |
|
USSR(Lithuanian SSR) |
Ditsevichyus,E.K. Ordovician and Silurian chitinozoan fauna of Lithuania and its stratigraphic significance |
1970 |
| details |
Nd |
|
Nd |
Achab,A. Chitinozoa from the Vaureal and Macasty Formations (Upper Ordovician), Ile d'Anticosti, Quebec, Canada. |
1978 |
| details |
Middle Ordovician |
Late Ordovician |
Baltic |
Taugourdeau,P. The chitinozoa. |
1979 |
| details |
Middle Ordovician |
Late Ordovician |
Europe |
Taugourdeau,P. The chitinozoa. |
1979 |
| details |
Early Ordovician |
|
China(Yunnan) |
Kao,L. Lower Ordovician chitinozoans from Wuding and Luquan, Yunnan. |
1980 |
| details |
Early Ordovician |
|
China(Yunnan) |
Gao,L. Lower Ordovician chitinozoans from Wuding and Luquan, Yunnan. |
1980 |
| details |
Llanvirnian |
|
Saudi Arabia |
McClure,H.A. Chitinozoan and acritarch assemblages stratigraphy and biogeography of the Early Palaeozoic of Northw West Arabia |
1988 |
| details |
Ordovician |
|
Worldwide |
Grahn,Y. Chitinozoan stratigraphy in the Ashgil and Llandovery. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |