| details |
Late Ordovician |
Late Gothlandian |
Europe |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Silurian |
|
New York |
Cramer,F.H. Palynologic microfossils of the Middle Silurian Maplewood Shale in New York. |
1968 |
| details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Late Llandoverian |
Early Gedinnian |
Spain |
Cramer,F.H. Consideration on the palynology and Silurian paleolatitudes based on microplankton of the Cantabrian Mountains of the Northwest of Spain. |
1969 |
| details |
Ludlovian |
Downtonian |
Wales |
Warren,P.T. The significance of recent research in Britain on the Ludovian-Downtonian boundary. (In: The boundary between the Silurian and Devonian and Biostratigraphy of the Silurian. D.V.Nalivkin, editors) |
1971 |
| details |
Early Gothlandian |
|
Brazil(Para) |
da Costa,N.M. Silurian chitinozoa of Igarape Da Rainha, State of Para |
1971 |
| details |
Early Gothlandian |
|
Brazil(Amazonas) |
da Costa,N.M. Brazilian chitinozoans and their stratigraphic importance |
1971 |
| details |
Nd |
|
Nd |
Eisenack,A. Contribution to the study of chitinozoans. |
1972 |
| details |
Niagaran |
|
Indiana |
Boneham,R.F. et al. Silurian chitinozoa of Indiana 2 |
1973 |
| details |
Early Gothlandian |
|
Brazil(Para) |
da Costa,N.M. Stratigraphic distribution and biochronology of chitinozoans from the Trombetas Formation, State of Para. |
1974 |
| details |
Ludlovian |
|
Sweden |
Laufeld,S. Silurian chitinozoa from Gotland. |
1974 |
| details |
Late Llandoverian |
|
Canada(Gaspe Area) |
Achab,A. Palynostratigraphic study of several Layers of Silurian Formations of the Lac Matapedia Cyncline |
1975 |
| details |
Late Ordovician |
Llandoverian |
Austria |
Priewalder,H. et al. Petrographic and tectonic investigation of the Ennstaler Phyllites (Lower Tauern, Styria) and the Silurian age owing to chitinozoan. |
1976 |
| details |
Late Llandoverian |
|
Canada(Quebec) |
Achab,A. Acritarchs from the Awantjish Formation (Upper Llandoverian) in the Val Brillant Borehold, Matapedia Valley, Quebec. |
1976 |
| details |
Wenlockian |
|
England(Shropshire) |
Eisenack,A. Microfossils with organic tests from the Basal Wenlock Limestone; Wrens Nest, Dudley, England. |
1978 |
| details |
Late Ludlovian |
|
Europe |
Jenkins,W.A.M. et al. Stratigraphic ranges of selected chitinozoa. |
1979 |
| details |
Famennian |
|
North America |
Jenkins,W.A.M. et al. Stratigraphic ranges of selected chitinozoa. |
1979 |