| details |
Givetian |
|
Algeria |
Jardin©,S. et al. Lithostratigraphy and palynology of the Sandy Devonian-Gothlandian of the Polignac Basin (Sahara). |
1968 |
| details |
Llandoverian |
|
Alabama |
Cramer,F.H. Paleographic considerations with regard to a microplanctonic association of the Gothlandian series of Birmingham, (Alabma, USA) |
1968 |
| details |
Late Gothlandian |
Devonian |
France(Pas-de-Calais) |
Rauscher,R. Chitinozoans in the Silurian-Devonian Drift of Pas-de-Calais |
1968 |
| details |
Llandoverian |
|
Sweden |
Eisenack,A. Microfossils of a secondary deposit from the Borkholm Stage, Baltic Ordovician, F2. |
1968 |
| 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 |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Ludlovian |
|
France |
Paris,F. et al. Discovery of a rich microbiota of acritarchs and chitinozoans in the formations of the Median Syncline (Armoricain Massive, environs of Saint-Medard-sur-Ille). Presence of spores and scolecodonts. |
1969 |
| original |
Late Llandoverian |
Ludlovian |
Florida |
Goldstein,R.F. et al. Silurian chitinozoans from Florida Well samples. |
1969 |
| original |
Late Llandoverian |
Ludlovian |
Florida |
Goldstein,R.F. et al. Silurian chitinozoans from Florida Well samples. |
1969 |
| original |
Ludlovian |
Late Llandoverian |
Florida |
Goldstein,R.F. et al. Silurian chitinozoans from Florida Well samples. |
1969 |
| details |
Silurian |
|
USSR(Estonian SSR) |
Eisenack,A. Microfossils from the Silurian of Esthonia and the Isle of Osel |
1970 |
| 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 |
Late Niagaran |
|
Indiana |
Boneham,R.F. et al. Silurian chitinozoa from Indiana I |
1971 |
| details |
Ludlovian |
|
France(Orne) |
Robardet,M. et al. A brief account of the chitinozoans from the Ordovician and Silurian of Cotentin, (Normandy-France). |
1971 |
| details |
Silurian |
Devonian |
France(Orne) |
Robardet,M. et al. A brief account of the chitinozoans from the Ordovician and Silurian of Cotentin, (Normandy-France). |
1971 |