| details |
Early Caradocian |
|
Portugal |
Henry,J.L. et al. Chitinozoans, ostracods and trilobites of the Ordovician of Portugal, (Serra de Bucaco), and the Amorician Massif: Attempt at comparison and paleogeographic significance. |
1974 |
| original |
Middle Ordovician |
|
Finland |
Tynni,R. Ordovician hystrichospheres and chitinozoans in limestone from the Bothnian Sea. |
1975 |
| details |
Ordovician |
|
Sweden |
Eisenack,A. Microfossils of the Vaginatum Limestone of Halludden, Oland. |
1976 |
| details |
Late Llandoverian |
Early Ludlovian |
Spain |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Ordovician |
|
Sweden |
Grahn,Y. Chitinozoan stratigraphy and palaeoecology at the Ordovician-Silurian boundary in Skane, southernmost Sweden. |
1978 |
| details |
Caradocian |
|
Portugal |
Paris,F. Chitinozoans of the Louredo Formation, Upper Ordovician of the Bucaco Syncline, (Portugal). |
1979 |
| details |
Early Caradocian |
|
Poland |
Podhalaбska,T The correlative significance of the chitinozoa-bearing horizon in the Caradocian Profiles of the Leba Region, (northwest Poland). |
1979 |
| details |
Early Paleozoic |
|
Poland |
Wrona,R.M. Microarchitecture of the chitinozoan vesicles and its paleobiological significance. |
1980 |
| details |
Late Llanvirnian |
Early Caradocian |
Poland |
Podhalaбska,T Stratigraphy and facial development of Middle and Upper Ordovician deposits in the Leba Elevation (northwest Poland). |
1980 |
| details |
Arenigian |
|
Europe |
Paris,F. The chitinozoans in the Paleozoic of Southwest Europe. |
1981 |
| details |
Late Llanvirnian |
Caradocian |
Sweden |
Grahn,Y. Middle Ordovician chitinozoa from Oland |
1981 |
| details |
Llandeilian |
Early Ashgillian |
Sweden |
Grahn,Y. Ordovician chitinozoa from the Stora Asbotorp Boring in Vastergotland South-Central Sweden |
1981 |
| details |
Early Llandeilian |
|
Sweden |
Grahn,Y. Parasitism on Ordovician chitinozoa |
1981 |
| details |
Late Ashgillian |
|
Sweden |
Grahn,Y. Caradocian and Ashgillian chitinozoa from the subsurface of Gotland |
1982 |
| details |
Caradocian |
Ashgillian |
Sweden |
Grahn,Y. Caradocian and Ashgillian chitinozoa from the subsurface of Gotland |
1982 |
| details |
Late Arenigian |
Early Llanvirnian |
Sweden |
Grahn,Y. Chitinozoophoran palaeoecology in the Ordovician of Oland |
1982 |
| details |
Middle Ordovician |
Late Ordovician |
USSR(Latvian SSR) |
Gailite,L.K. Chitinozoa. (In: The Ordovician of Latvia. R.Z.H.Ulst et al, editor) |
1982 |