| details |
Vendian |
Early Paleozoic |
USSR(Kazakh SSR) |
Sargaskaev,Z.S. et al. Some chitinozoans in the Kokzhotsk series of the Karatai range |
1988 |
| details |
Uhaku |
Johvi |
USSR(Estonian SSR) |
Grahn,Y. et al. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. |
1996 |
| details |
Silurian |
|
Baltic |
Collinson,C. et al. North American Paleozoic Chitinozoa |
1955 |
| details |
Pridolian |
|
Baltic Sea |
Eisenack,A. New microfossils of the Baltic Silurian.2. |
1932 |
| details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Nd |
|
Nd |
Jenkins,W.A.M. Ordovician chitinozoa from Shropshire. |
1967 |
| details |
Nd |
|
Nd |
Winchester-Seeto,T. Emsian chitinozoa from the Buchan area of southeastern Australia. |
1996 |
| details |
Nd |
|
Nd |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Middle Ordovician |
|
USSR(Leningrad) |
Obut,A.M. On the geographical distribution, comparative morphology, ecology, phylogeny, and the taxonomic position of chitinozoa. |
1973 |
| details |
Middle Ordovician |
Late Ordovician |
Europe |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Llanvirnian |
|
Saudi Arabia |
McClure,H.A. Chitinozoan and acritarch assemblages stratigraphy and biogeography of the Early Palaeozoic of Northw West Arabia |
1988 |
| details |
Llanvirnian |
Llandeilian |
Morocco |
Rahmani,K. Palynologic study of Paleozoic (Ordovician, Silurian, Devonian) of the Rabat Region, (Oued Bou-Regreg), Morocco. |
1983 |
| details |
Llanvirnian |
Early Ashgillian |
Finland |
Uutela,A. Age and dispersal of sedimentary erratics on the coast of southwestern Finland. |
1989 |
| details |
Llanvirnian |
Early Caradocian |
Baltic |
Nolvak,J. et al. Ordovician chitinozoan zones from Baltoscandia |
1993 |
| details |
Llanvirnian |
Early Caradocian |
Scandinavia |
Nolvak,J. et al. Ordovician chitinozoan zones from Baltoscandia |
1993 |
| details |
Llanvirnian |
|
Poland |
Bednarczyk,W.S. Chitinozoa-bearing horizons in the Ordovician of Northern Poland in the light of conodont stratigraphy. |
1999 |
| original |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |