| details |
Late Gothlandian |
|
Nd |
Taugourdeau,P. The chitinozoa. |
1979 |
| details |
Late Cambrian |
Tremadocian |
USSR(Kazakh SSR) |
Zaslavskaya,N.M. et al. First chitinozoa of the Late Cambrian Early Ordovician of Kazakhstan |
1987 |
| details |
Llanvirnian |
Ashgillian |
Saudi Arabia |
McClure,H.A. Chitinozoan and acritarch assemblages stratigraphy and biogeography of the Early Palaeozoic of Northw West Arabia |
1988 |
| details |
Nd |
|
Nd |
Zaslavskaya,N.M. On the morphology and systematics of chitinozoa. (In: Problematic Fossils of the USSR. B.S.Sokolov, editors) |
1990 |
| details |
Tremadocian |
|
USSR(Kazakh SSR) |
Apollonov,M.K. et al. Ordovician deposits in the Northwestern Balkhashregin. |
1990 |
| details |
Early Llandeilian |
|
Algeria |
Oulebsir,L. et al. Ordovician chitinozoa from Algeria: Biostratigraphy and paleogeography |
1995 |