| details |
Middle Ordovician |
Late Ordovician |
North America |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Middle Ordovician |
Late Ordovician |
Asia |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Caradocian |
Late Ashgillian |
Canada(Eastern Offshore) |
Jenkins,W.A.M. Ordovician rocks in the Eastcan et al. Freydis B-87 and other wells in offshore Atlantic Canada. |
1984 |
| details |
Caradocian |
Late Ashgillian |
Canada(Eastern Offshore) |
Jenkins,W.A.M. Ordovician rocks in the Eastcan et al. Freydis B-87 and other wells in offshore Atlantic Canada. |
1984 |
| details |
Rocklandian |
Edenian |
New York |
Hart,C.P. Trenton Group chitinozoans from New York State. A brief review. |
1986 |
| details |
Harnagian |
Early Onnian |
Portugal |
Paris,F. Distribution of chitinozoans in the Louredo Formation, Upper Ordovician of the Bucaco Syncline, Portugal. |
1978 |
| details |
Thuringian |
Early Olenikian |
Israel |
Zaslavskaya,N.M. et al. Recycled lower Paleozoic microfossils (Chitinozoa) in the Carboniferous of Sinai (Egypt) and Permo-Triassic of the Negev (Israel): Paleogeographic considerations. |
1995 |
| details |
Thuringian |
Early Olenikian |
Egypt(Sinai) |
Zaslavskaya,N.M. et al. Recycled lower Paleozoic microfossils (Chitinozoa) in the Carboniferous of Sinai (Egypt) and Permo-Triassic of the Negev (Israel): Paleogeographic considerations. |
1995 |
| details |
Late Arenigian |
Early Llanvirnian |
Sweden |
Grahn,Y. Early Ordovician chitinozoa from Oland. |
1980 |
| details |
Late Arenigian |
Early Llanvirnian |
Sweden |
Grahn,Y. Chitinozoophoran palaeoecology in the Ordovician of Oland |
1982 |
| details |
Late Arenigian |
Early Llanvirnian |
Belgium |
Martin,F. Chitinozoans from the Upper Arenig-Lower Llanvirn at Condroz, (Belgium). |
1969 |
| details |
Late Arenigian |
Early Llandoverian |
Nd |
Uutela,A. Age and dispersal of sedimentary erratics on the coast of southwestern Finland. |
1989 |
| details |
Late Ordovician |
Early Gothlandian |
Canada(Anticosti Island) |
Achab,A. Biostratigraphy of the chitinozoa of Upper Ordovician - Lower Silurian of Anticosti Island. Preliminary results. |
1981 |
| original |
Late Ordovician |
Early Gothlandian |
USSR(Pskov) |
Nolvak,J. et al. The Taucionys Formation (Holorhynchus Beds) in the Iljinskoje Boring (Pskov District). |
1989 |
| original |
Late Ordovician |
Early Gothlandian |
USSR(Pskov) |
Nolvak,J. et al. The Taucionys Formation (Holorhynchus Beds) in the Iljinskoje Boring (Pskov District). |
1989 |
| details |
Maysvillian |
Early Gamachian |
Greenland |
Grahn,Y. et al. Chitinozoans from Ordovician and Silurian Shelf and Slope sequences in North Greenland. (In: Palaeozoic fossils and stratigraphy from North Greenland) |
1989 |
| details |
Llandeilian |
Early Caradocian |
USA |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |