| original |
Late Caradocian |
Early Ashgillian |
Canada(Quebec) |
Achab,A. Late Caradocian - Early Ashgillian chitinozoans of Quebec, Canada. |
1987 |
| original |
Llanvirnian |
|
Argentina(La Rioja) |
Volkheimer,W. et al. Ordovician chitinozoans from the type locality of the Gualcamayo Formation Southwest of the Guandacol, Precordillera of La Rioja, Argentina. |
1980 |
| original |
Siegenian |
Emsian |
W.Germany(N.Rhine) |
Eschghi,I. et al. Stratigraphy and Palaogeography of the Siegenian and Emsian of the Aachen-Ahrtal Region |
1984 |
| original |
Wenlockian |
|
Romania |
Iordan,M. et al. Litho and biostratigraphy of the Paleozoic Sequences in the Oprisor and Girla Mare Boreholes, (southwestern part of the Moesian Platform). |
1985 |
| original |
Ordovician |
Permian |
Zambia |
Utting,J. et al. Acritarchs and other microfossils from a borehole in Western Provence |
1972 |
| original |
Rocklandian |
Edenian |
New York |
Hart,C.P. Trenton Group chitinozoans from New York State. A brief review. |
1986 |
| original |
Nd |
|
Africa(Sahara) |
Taugourdeau,P. et al. Internal development and growth in some chitinozoa. |
1964 |
| original |
Siegenian |
Emsian |
W.Germany(N.Rhine) |
Eschghi,I. et al. Stratigraphy and Palaogeography of the Siegenian and Emsian of the Aachen-Ahrtal Region |
1984 |
| original |
Siegenian |
Emsian |
W.Germany(N.Rhine) |
Eschghi,I. et al. Stratigraphy and Palaogeography of the Siegenian and Emsian of the Aachen-Ahrtal Region |
1984 |
| original |
Llanvirnian |
|
Argentina(La Rioja) |
Volkheimer,W. et al. Ordovician chitinozoans from the type locality of the Gualcamayo Formation Southwest of the Guandacol, Precordillera of La Rioja, Argentina. |
1980 |
| original |
Gedinnian |
|
Brazil(Piaui) |
de Quadros,L.P. Biostratigraphic distribution of chitinozoa and acritarchs of the Parnaiba Basin |
1982 |
| original |
Middle Frasnian |
|
France(Pas-de-Calais) |
Taugourdeau,P. Three small associations of chitinozoans from the Frasnian of Boulonnais |
1965 |
| details |
Arenigian |
Late Devonian |
Scotland |
Downie,C. et al. A palynological investigation of the Dalradian rocks of Scotland. |
1971 |
| details |
Early Llanvirnian |
|
Wales(Anglesey) |
Fenton,J.P.G. Palynological evidence for the age of the Dulas Formation (Ordovician) in Anglesey (North Wales). |
1976 |
| details |
Early Devonian |
|
Tennessee |
Reaugh,A.B. et al. Acritarchs and chitinozoans from the Lower Devonian (Helderbergian) Birdsong Shale, Decatur County, Tennessee. |
1977 |
| details |
Ordovician |
|
Czechoslovakia |
Corna,O. The distribution of palynological microfossils from the Precambrian to the Lower Carboniferous. |
1969 |
| details |
Llanvirnian |
Early Llandeilian |
France(Finistere) |
Henry,J.L. The presence of Spherical Inclusions (Acritarchs") in an Ordovician chitinozoan from Brittany. |
1964 |