| details |
Caradocian |
|
Sweden |
Laufeld,S. Caradocian chitinozoa from Dalarna, Sweden. |
1967 |
| details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Nd |
|
Nd |
Eisenack,A. Contribution to the study of chitinozoans. |
1972 |
| details |
Early Caradocian |
|
France(Finistere) |
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 |
| 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 |
| details |
Ashgillian |
|
Canada(Anticosti Island) |
Achab,A. Palynology. (In. Stratigraphy, source rock potential mineral and source diagenesis of the new associate associated colsolidated paper. (N.A.C.P.) Anticosti No.1 Bore-Hole Anticosti Island. A.Achab, editor) |
1976 |
| details |
Ordovician |
|
USSR(Russian Platform) |
Umnova,N.I. Ordovician and Silurian chitinozoa from the northern part of the Russian Platform. |
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 Caradocian |
|
Sweden |
Grahn,Y. Early Caradoc chitinozoa from Ostergotland, south central Sweden. |
1982 |
| details |
Caradocian |
Early 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 |
Late Llanvirnian |
|
USSR(Estonian SSR) |
Grahn,Y. Ordovician chitinozoa from Tallinn, Norther Estonia. |
1984 |
| details |
Late Kirklandian |
Edenian |
New York |
Hart,C.P. Trenton Group chitinozoans from New York State. A brief review. |
1986 |
| details |
Late Ordovician |
|
Baltic |
Nolvak,J. Results of quantitative stratigraphic correlation of the Upper Ordovician in the Baltic;Chitinozoans. (In: Quantitative Stratigraphy: Retrospective Evaluation and Future Development. A. Oleynikov and M. Rubel editors) |
1989 |
| details |
Silurian |
|
China(Szechwan) |
Wang,X. et al. On the determination of chitinozoa species-With reference to the Conochitina brevis example. |
1992 |
| details |
Nd |
|
Nd |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |