| details |
Nabala |
Vormsi |
Estonia |
Meidla,T. et al. Middle and Upper Ordovician westward of Tallin locality 2:3 Aul |
1990 |
| details |
Ordovician |
Silurian |
India(Himachal Pradesh) |
Mehrotra,P.C. et al. Chitinozoa from Lower Paleozoic sequence of Spiti, Himachal Pradesh, India. |
1982 |
| details |
Ordovician |
Silurian |
Baltic |
Collinson,C. et al. North American Paleozoic Chitinozoa |
1955 |
| details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Early Ordovician |
Middle Ordovician |
Sweden |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Arenigian |
Middle Ordovician |
USSR(Yaroslav) |
Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils |
1976 |
| details |
Early Gothlandian |
Middle Devonian |
Argentina |
Volkheimer,W. Lower Paleozoic chitinozoan fauna of Argentina. |
1978 |
| details |
Wenlockian |
Ludlovian |
Romania |
Iordan,M. Biostratigraphy of the Silurian and Devonian in the Moldavian and Moesian Platforms, (Roumania). |
1984 |
| details |
Late Caradocian |
Ludlovian |
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Late Llanvirnian |
Llandeilian |
Sweden |
Grahn,Y. Middle Ordovician chitinozoa from Oland |
1981 |
| details |
Late Ordovician |
Late Gothlandian |
Europe |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Middle Devonian |
Late Devonian |
|
da Costa,N.M. Brazilian chitinozoans and their stratigraphic importance |
1971 |
| details |
Middle Devonian |
Late Devonian |
North America |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Middle Devonian |
Late Devonian |
Asia |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Eifelian |
Givetian |
Falkland Islands |
Rubinstein,C.V. Palynological investigations in the Lower Paleozoic of Argentina |
1993 |
| details |
Eifelian |
Frasnian |
Brazil(Maranhao) |
Brito,I.M. et al. New occurrences of acritarchs in the Devonian of the Parnaiba Basin. (In: Paleobotanica e Palinologia na America do Sul; 1983) |
1984 |
| details |
Emsian |
Frasnian |
Ghana |
Anan-Yorke,R. Devonian chitinozoa and acritarcha from exploratory oil wells on the shelf and coastal region of Ghana, West Africa. |
1974 |