| details |
Late Ordovician |
Silurian |
Nd |
Jansonius,J. et al. Chitinozoa. |
1978 |
| details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Early Ludlovian |
Middle Ludlovian |
Italy(Sardinia) |
Dufka,P. et al. A report on Silurian and Lowermost Devonian chitinozoans from Southwestern Sardina |
1996 |
| details |
Early Llandoverian |
Middle Llandoverian |
Africa(Sahara) |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Early Caradocian |
Middle Caradocian |
Tennessee |
Siesser,W.G. et al. Caradocian chitinozoans from the Central Basin, Tennessee |
1998 |
| details |
Wenlockian |
Ludlovian |
England(Shropshire) |
Dorning,K.J. Silurian chitinozoa from the type Wenlock and Ludlow of Shropshire, England. |
1981 |
| details |
Wenlockian |
Ludlovian |
Romania |
Iordan,M. Biostratigraphy of the Silurian and Devonian in the Moldavian and Moesian Platforms, (Roumania). |
1984 |
| original |
Wenlockian |
Ludlovian |
Sweden |
Laufeld,S. Silurian chitinozoa from Gotland. |
1974 |
| details |
Middle Ordovician |
Llandoverian |
USSR(Magadan Oblast) |
Obut,A.M. On the geographical distribution, comparative morphology, ecology, phylogeny, and the taxonomic position of chitinozoa. |
1973 |
| details |
Early Llandoverian |
Late Tarannon |
Nd |
Combaz,A. Stratigraphy of the chitinozoans. |
1972 |
| details |
Late Ordovician |
Late Gothlandian |
Europe |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Late Idavere |
Keila |
Norway |
Grahn,Y. et al. Caradocian and Ashgillian chitinozoan biostratigraphy of the Oslo Asker and Ringerike Districts, Oslo Region, Norway. |
1994 |
| details |
Rawtheyan |
Hirnantian |
Libya |
Paris,F. Late Ordovician and Early Silurian chitinozoans from Central and Southern Cyrenaica. (In: The Subsurface Palynostratigraphy of Northeast Libya. Special Publication of the University of Garryounis, Libya. E.Arnauti et al, editors) |
1989 |
| details |
Aeronian |
Early Telychian |
China(Kweichow) |
Geng,L.-Y. Chitinoaoz near Aeronian-Telychian boundary at Leijiatun of Shiqian, North Guizhou. |
1990 |
| details |
Late Caradocian |
Early Ludlovian |
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Late Arenigian |
Early Llanvirnian |
Sweden |
Grahn,Y. Early Ordovician chitinozoa from Oland. |
1980 |